[REF] web: adapt code after jQuery update

Part of task 1896658

Co-authored-by: Aaron Bohy <aab@odoo.com>
Co-authored-by: Christophe Matthieu <chm@odoo.com>
Co-authored-by: Mathieu Duckerts-Antoine <dam@odoo.com>
Co-authored-by: David Monjoie <dmo@odoo.com>
Co-authored-by: Martin Geubelle <mge@odoo.com>
Co-authored-by: svs-odoo <svs@odoo.com>
Co-authored-by: Vincent Schippefilt <vsc@odoo.com>

95 files changed, 2049 insertions, 1856 deletions

diff --git a/addons/web/static/src/js/_deprecated/data.js b/addons/web/static/src/js/_deprecated/data.js
index 984f0bbaddb..acac959fcc8 100644
--- a/addons/web/static/src/js/_deprecated/data.js
+++ b/addons/web/static/src/js/_deprecated/data.js
@@ -101,7 +101,7 @@ var Query = Class.extend({
      * Fetches the first record matching the query, or null
      *
      * @param {Object} [options] additional options for the rpc() method
-     * @returns {jQuery.Deferred<Object|null>}
+     * @returns {Promise<Object|null>}
      */
     first: function (options) {
         var self = this;
@@ -115,7 +115,7 @@ var Query = Class.extend({
      * Fetches all records matching the query
      *
      * @param {Object} [options] additional options for the rpc() method
-     * @returns {jQuery.Deferred<Array<>>}
+     * @returns {Promise<Array<>>}
      */
     all: function (options) {
         return this._execute(options);
@@ -123,10 +123,10 @@ var Query = Class.extend({
     /**
      * Fetches the number of records matching the query in the database
      *
-     * @returns {jQuery.Deferred<Number>}
+     * @returns {Promise<Number>}
      */
     count: function () {
-        if (this._count !== undefined) { return $.when(this._count); }
+        if (this._count !== undefined) { return Promise.resolve(this._count); }
         return this._model.call(
             'search_count', [this._filter], {
                 context: this._model.context(this._context)});
@@ -367,11 +367,12 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      * @param {Array} ids identifiers of the records to read
      * @param {Array} [fields] fields to read and return, by default all fields are returned
      * @param {Object} [options]
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     read_ids: function (ids, fields, options) {
-        if (_.isEmpty(ids))
-            return $.Deferred().resolve([]);
+        if (_.isEmpty(ids)) {
+            return Promise.resolve([]);
+        }
 
         options = options || {};
         var method = 'read';
@@ -405,7 +406,7 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      * @params {Object} [options]
      * @param {Number} [options.offset=0] The index from which selected records should be returned
      * @param {Number} [options.limit=null] The maximum number of records to return
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     read_slice: function (fields, options) {
         var self = this;
@@ -414,21 +415,23 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
                 .limit(options.limit || false)
                 .offset(options.offset || 0)
                 .all();
-        return this.orderer.add(query).done(function (records) {
+        var prom = this.orderer.add(query);
+        prom.then(function (records) {
             self.ids = _(records).pluck('id');
         });
+        return prom;
     },
     /**
      * Reads the current dataset record (from its index)
      *
      * @params {Array} [fields] fields to read and return, by default all fields are returned
      * @param {Object} [options.context] context data to add to the request payload, on top of the DataSet's own context
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     read_index: function (fields, options) {
         options = options || {};
         return this.read_ids([this.ids[this.index]], fields, options).then(function (records) {
-            if (_.isEmpty(records)) { return $.Deferred().reject().promise(); }
+            if (_.isEmpty(records)) { return Promise.reject(); }
             return records[0];
         });
     },
@@ -437,7 +440,7 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      *
      * @param {Array} [fields] fields to get default values for, by default all defaults are read
      * @param {Object} [options.context] context data to add to the request payload, on top of the DataSet's own context
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     default_get: function (fields, options) {
         options = options || {};
@@ -451,15 +454,17 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      * @param {Object} options Dictionary that can contain the following keys:
      *   - readonly_fields: Values from readonly fields that were updated by
      *     on_changes. Only used by the BufferedDataSet to make the o2m work correctly.
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     create: function (data, options) {
         var self = this;
-        return this._model.call('create', [data], {
+        var prom = this._model.call('create', [data], {
             context: this.get_context()
-        }).done(function () {
+        });
+        prom.then(function () {
             self.trigger('dataset_changed', data, options);
         });
+        return prom;
     },
     /**
      * Saves the provided data in an existing db record
@@ -470,16 +475,18 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      *   - context: The context to use in the server-side call.
      *   - readonly_fields: Values from readonly fields that were updated by
      *     on_changes. Only used by the BufferedDataSet to make the o2m work correctly.
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     write: function (id, data, options) {
         options = options || {};
         var self = this;
-        return this._model.call('write', [[id], data], {
+        var prom = this._model.call('write', [[id], data], {
             context: this.get_context(options.context)
-        }).done(function () {
+        });
+        prom.then(function () {
             self.trigger('dataset_changed', id, data, options);
         });
+        return prom;
     },
     /**
      * Deletes an existing record from the database
@@ -488,11 +495,13 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      */
     unlink: function (ids) {
         var self = this;
-        return this._model.call('unlink', [ids], {
+        var prom = this._model.call('unlink', [ids], {
             context: this.get_context()
-        }).done(function () {
+        });
+        prom.then(function () {
             self.trigger('dataset_changed', ids);
         });
+        return prom;
     },
     /**
      * Calls an arbitrary RPC method
@@ -501,7 +510,7 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      * @param {Array} [args] arguments to pass to the method
      * @param {Function} callback
      * @param {Function} error_callback
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     call: function (method, args) {
         return this._model.call(method, args);
@@ -511,7 +520,7 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      *
      * @param {String} method
      * @param {Array} [args]
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     call_button: function (method, args) {
         return this._model.call_button(method, args);
@@ -520,7 +529,7 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      * Fetches the "readable name" for records, based on intrinsic rules
      *
      * @param {Array} ids
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     name_get: function (ids) {
         return this._model.call('name_get', [ids], {context: this.get_context()});
@@ -532,7 +541,7 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      * @param {String} [operator='ilike'] matching operator to use with the provided name value
      * @param {Number} [limit=0] maximum number of matches to return
      * @param {Function} callback function to call with name_search result
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     name_search: function (name, domain, operator, limit) {
         return this._model.call('name_search', {
@@ -603,7 +612,7 @@ var DataSet =  Class.extend(mixins.PropertiesMixin, {
      * Resequence records.
      *
      * @param {Array} ids identifiers of the records to resequence
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     resequence: function (ids, options) {
         options = options || {};
@@ -643,7 +652,7 @@ var DataSetStatic =  DataSet.extend({
     unlink: function (ids) {
         this.set_ids(_.without.apply(null, [this.ids].concat(ids)));
         this.trigger('unlink', ids);
-        return $.Deferred().resolve({result: true});
+        return Promise.resolve({result: true});
     },
 });
 
@@ -674,7 +683,7 @@ var DataSetSearch = DataSet.extend({
      * @param {Array} [options.domain] domain data to add to the request payload, ANDed with the dataset's domain
      * @param {Number} [options.offset=0] The index from which selected records should be returned
      * @param {Number} [options.limit=null] The maximum number of records to return
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     read_slice: function (fields, options) {
         options = options || {};
@@ -686,11 +695,13 @@ var DataSetSearch = DataSet.extend({
             .limit(options.limit || false);
         q = q.order_by.apply(q, this._sort);
 
-        return this.orderer.add(q.all()).done(function (records) {
+        var prom = this.orderer.add(q.all());
+        prom.then(function (records) {
             // FIXME: not sure about that one, *could* have discarded count
-            q.count().done(function (count) { self._length = count; });
+            q.count().then(function (count) { self._length = count; });
             self.ids = _(records).pluck('id');
         });
+        return prom;
     },
     get_domain: function (other_domain) {
         return this._model.domain(other_domain);
@@ -717,10 +728,12 @@ var DataSetSearch = DataSet.extend({
     },
     unlink: function (ids, callback, error_callback) {
         var self = this;
-        return this._super(ids).done(function () {
+        var prom = this._super(ids);
+        prom.then(function () {
             self.remove_ids( ids);
             self.trigger("dataset_changed", ids, callback, error_callback);
         });
+        return prom;
     },
     size: function () {
         if (this._length !== null) {
@@ -801,7 +814,7 @@ var Model = Class.extend({
      * @param {Array} [args] positipyEvalonal arguments
      * @param {Object} [kwargs] keyword arguments
      * @param {Object} [options] additional options for the rpc() method
-     * @returns {jQuery.Deferred<>} call result
+     * @returns {Promise<>} call result
      */
     call: function (method, args, kwargs, options) {
         args = args || [];
diff --git a/addons/web/static/src/js/apps.js b/addons/web/static/src/js/apps.js
index aadcc700984..739317337ba 100644
--- a/addons/web/static/src/js/apps.js
+++ b/addons/web/static/src/js/apps.js
@@ -22,20 +22,21 @@ var Apps = AbstractAction.extend({
     },
 
     get_client: function() {
-        // return the client via a deferred, resolved or rejected depending if
+        // return the client via a promise, resolved or rejected depending if
         // the remote host is available or not.
         var check_client_available = function(client) {
-            var d = $.Deferred();
             var i = new Image();
-            i.onerror = function() {
-                d.reject(client);
-            };
-            i.onload = function() {
-                d.resolve(client);
-            };
+            var def = new Promise(function (resolve, reject) {
+                i.onerror = function() {
+                    reject(client);
+                };
+                i.onload = function() {
+                    resolve(client);
+                };
+            });
             var ts = new Date().getTime();
             i.src = _.str.sprintf('%s/web/static/src/img/sep-a.gif?%s', client.origin, ts);
-            return d.promise();
+            return def;
         };
         if (apps_client) {
             return check_client_available(apps_client);
@@ -105,58 +106,56 @@ var Apps = AbstractAction.extend({
 
     start: function() {
         var self = this;
-        var def = $.Deferred();
-        self.get_client().then(function(client) {
-            self.client = client;
-
-            var qs = {db: client.dbname};
-            if (session.debug) {
-                qs.debug = session.debug;
-            }
-            var u = $.param.querystring(client.origin + "/apps/embed/client", qs);
-            var css = {width: '100%', height: '750px'};
-            self.$ifr = $('<iframe>').attr('src', u);
-
-            self.uniq = _.uniqueId('apps');
-            $(window).on("message." + self.uniq, self.proxy('_on_message'));
-
-            self.on('message:ready', self, function(m) {
-                var w = this.$ifr[0].contentWindow;
-                var act = {
-                    type: 'ir.actions.client',
-                    tag: this.remote_action_tag,
-                    params: _.extend({}, this.params, {
-                        db: session.db,
-                        origin: session.origin,
-                    })
-                };
-                w.postMessage({type:'action', action: act}, client.origin);
-            });
+        return new Promise(function (resolve, reject) {
+            self.get_client().then(function (client) {
+                self.client = client;
+
+                var qs = {db: client.dbname};
+                if (session.debug) {
+                    qs.debug = session.debug;
+                }
+                var u = $.param.querystring(client.origin + "/apps/embed/client", qs);
+                var css = {width: '100%', height: '750px'};
+                self.$ifr = $('<iframe>').attr('src', u);
+
+                self.uniq = _.uniqueId('apps');
+                $(window).on("message." + self.uniq, self.proxy('_on_message'));
+
+                self.on('message:ready', self, function(m) {
+                    var w = this.$ifr[0].contentWindow;
+                    var act = {
+                        type: 'ir.actions.client',
+                        tag: this.remote_action_tag,
+                        params: _.extend({}, this.params, {
+                            db: session.db,
+                            origin: session.origin,
+                        })
+                    };
+                    w.postMessage({type:'action', action: act}, client.origin);
+                });
 
-            self.on('message:set_height', self, function(m) {
-                this.$ifr.height(m.height);
-            });
+                self.on('message:set_height', self, function(m) {
+                    this.$ifr.height(m.height);
+                });
 
-            self.on('message:blockUI', self, function() { framework.blockUI(); });
-            self.on('message:unblockUI', self, function() { framework.unblockUI(); });
-            self.on('message:warn', self, function(m) {self.do_warn(m.title, m.message, m.sticky); });
-
-            self.$ifr.appendTo(self.$('.o_content')).css(css).addClass('apps-client');
-
-            def.resolve();
-        }, function() {
-            self.do_warn(_t('Odoo Apps will be available soon'), _t('Showing locally available modules'), true);
-            return self._rpc({
-                route: '/web/action/load',
-                params: {action_id: self.failback_action_id},
-            }).then(function(action) {
-                return self.do_action(action);
-            }).always(function () {
-                def.reject();
+                self.on('message:blockUI', self, function() { framework.blockUI(); });
+                self.on('message:unblockUI', self, function() { framework.unblockUI(); });
+                self.on('message:warn', self, function(m) {self.do_warn(m.title, m.message, m.sticky); });
+
+                self.$ifr.appendTo(self.$('.o_content')).css(css).addClass('apps-client');
+
+                resolve();
+            }, function() {
+                self.do_warn(_t('Odoo Apps will be available soon'), _t('Showing locally available modules'), true);
+                return self._rpc({
+                    route: '/web/action/load',
+                    params: {action_id: self.failback_action_id},
+                }).then(function(action) {
+                    return self.do_action(action);
+                }).then(reject, reject);
             });
         });
-        return def;
-    },
+    }
 });
 
 var AppsUpdates = Apps.extend({
diff --git a/addons/web/static/src/js/boot.js b/addons/web/static/src/js/boot.js
index 994b945b1d3..cf1cbaba180 100644
--- a/addons/web/static/src/js/boot.js
+++ b/addons/web/static/src/js/boot.js
@@ -6,8 +6,8 @@
  * @name openerp
  * @namespace openerp
  *
- * Each module can return a deferred. In that case, the module is marked as loaded
- * only when the deferred is resolved, and its value is equal to the resolved value.
+ * Each module can return a promise. In that case, the module is marked as loaded
+ * only when the promise is resolved, and its value is equal to the resolved value.
  * The module can be rejected (unloaded). This will be logged in the console as info.
  *
  * logs:
@@ -17,7 +17,7 @@
  *      Failed modules:
  *          A javascript error is detected
  *      Rejected modules:
- *          The module returns a rejected deferred. It (and its dependent modules)
+ *          The module returns a rejected promise. It (and its dependent modules)
  *          is not loaded.
  *      Rejected linked modules:
  *          Modules who depend on a rejected module
@@ -27,14 +27,14 @@
  *          Non loaded or failed module informations for debugging
  */
 
-(function() {
+(function () {
     "use strict";
 
     var jobs = [];
     var factories = Object.create(null);
     var job_names = [];
     var job_deps = [];
-    var job_deferred = [];
+    var job_promise = [];
 
 
     var services = Object.create({});
@@ -45,15 +45,20 @@
     var debug = ($.deparam($.param.querystring()).debug !== undefined);
 
     var odoo = window.odoo = window.odoo || {};
+    var didLogInfoResolve;
+    var didLogInfoPromise = new Promise(function (resolve) {
+        didLogInfoResolve = resolve;
+    });
+
     _.extend(odoo, {
         testing: typeof QUnit === "object",
         debug: debug,
         remaining_jobs: jobs,
 
         __DEBUG__: {
-            didLogInfo: $.Deferred(),
+            didLogInfo: didLogInfoPromise,
             get_dependencies: function (name, transitive) {
-                var deps = name instanceof Array ? name: [name],
+                var deps = name instanceof Array ? name : [name],
                     changed;
                 do {
                     changed = false;
@@ -67,26 +72,26 @@
                 return deps;
             },
             get_dependents: function (name) {
-                return _.pluck(_.where(job_deps, {from: name}), 'to');
+                return _.pluck(_.where(job_deps, { from: name }), 'to');
             },
             get_waited_jobs: function () {
-                return _.uniq(_.map(jobs, function(job) {return job.name;}));
+                return _.uniq(_.map(jobs, function (job) { return job.name; }));
             },
             get_missing_jobs: function () {
                 var self = this;
                 var waited = this.get_waited_jobs();
                 var missing = [];
-                _.each(waited, function(job) {
-                    _.each(self.get_dependencies(job), function(job) {
+                _.each(waited, function (job) {
+                    _.each(self.get_dependencies(job), function (job) {
                         if (!(job in self.services)) {
                             missing.push(job);
                         }
                     });
                 });
-                return _.filter(_.difference(_.uniq(missing), waited), function (job) {return !job.error;});
+                return _.filter(_.difference(_.uniq(missing), waited), function (job) { return !job.error; });
             },
             get_failed_jobs: function () {
-                return _.filter(jobs, function (job) {return !!job.error;});
+                return _.filter(jobs, function (job) { return !!job.error; });
             },
             factories: factories,
             services: services,
@@ -109,10 +114,10 @@
 
             if (odoo.debug) {
                 if (!(deps instanceof Array)) {
-                    throw new Error ('Dependencies should be defined by an array', deps);
+                    throw new Error('Dependencies should be defined by an array', deps);
                 }
                 if (typeof factory !== 'function') {
-                    throw new Error ('Factory should be defined by a function', factory);
+                    throw new Error('Factory should be defined by a function', factory);
                 }
                 if (typeof name !== 'string') {
                     throw new Error("Invalid name definition (should be a string", name);
@@ -133,7 +138,7 @@
 
             job_names.push(name);
             _.each(deps, function (dep) {
-                job_deps.push({from:dep, to:name});
+                job_deps.push({ from: dep, to: name });
             });
 
             this.process_jobs(jobs, services);
@@ -149,7 +154,7 @@
                 var job;
                 var jobdep;
 
-                for (var k=0; k<jobs.length; k++) {
+                for (var k = 0; k < jobs.length; k++) {
                     debug_jobs[jobs[k].name] = job = {
                         dependencies: jobs[k].deps,
                         dependents: odoo.__DEBUG__.get_dependents(jobs[k].name),
@@ -162,10 +167,10 @@
                         job.rejected = jobs[k].rejected;
                         rejected.push(job.name);
                     }
-                    var deps = odoo.__DEBUG__.get_dependencies( job.name );
-                    for (var i=0; i<deps.length; i++) {
+                    var deps = odoo.__DEBUG__.get_dependencies(job.name);
+                    for (var i = 0; i < deps.length; i++) {
                         if (job.name !== deps[i] && !(deps[i] in services)) {
-                            jobdep = debug_jobs[deps[i]] || (deps[i] in factories && _.find(jobs, function (job) { return job.name === deps[i];}));
+                            jobdep = debug_jobs[deps[i]] || (deps[i] in factories && _.find(jobs, function (job) { return job.name === deps[i]; }));
                             if (jobdep && jobdep.rejected) {
                                 if (!job.rejected) {
                                     job.rejected = [];
@@ -212,48 +217,49 @@
                 missing: missing,
                 failed: _.pluck(failed, 'name'),
             };
-            odoo.__DEBUG__.didLogInfo.resolve();
+            didLogInfoResolve();
         },
         process_jobs: function (jobs, services) {
             var job;
 
-            function process_job (job) {
+            function process_job(job) {
                 var require = make_require(job);
 
                 var job_exec;
-                var def = $.Deferred();
-                try {
-                    job_exec = job.factory.call(null, require);
-                    jobs.splice(jobs.indexOf(job), 1);
-                    job_deferred.push(def);
-                } catch (e) {
-                    job.error = e;
-                    console.error('Error while loading ' + job.name);
-                    console.error(e.stack);
-                }
-                if (!job.error) {
-                    $.when(job_exec).then(
-                        function (data) {
-                            services[job.name] = data;
-                            def.resolve();
-                            odoo.process_jobs(jobs, services);
-                        }, function (e) {
-                            job.rejected = e || true;
-                            jobs.push(job);
-                            def.resolve();
-                        }
-                    );
-                }
+                var def = new Promise(function (resolve) {
+                    try {
+                        job_exec = job.factory.call(null, require);
+                        jobs.splice(jobs.indexOf(job), 1);
+                    } catch (e) {
+                        job.error = e;
+                        console.error('Error while loading ' + job.name);
+                        console.error(e.stack);
+                    }
+                    if (!job.error) {
+                        Promise.resolve(job_exec).then(
+                            function (data) {
+                                services[job.name] = data;
+                                resolve();
+                                odoo.process_jobs(jobs, services);
+                            }).guardedCatch(function (e) {
+                                job.rejected = e || true;
+                                jobs.push(job);
+                                resolve();
+                            }
+                        );
+                    }
+                });
+                job_promise.push(def);
             }
 
-            function is_ready (job) {
+            function is_ready(job) {
                 return !job.error && !job.rejected && _.every(job.factory.deps, function (name) { return name in services; });
             }
 
-            function make_require (job) {
+            function make_require(job) {
                 var deps = _.pick(services, job.deps);
 
-                function require (name) {
+                function require(name) {
                     if (!(name in deps)) {
                         console.error('Undefined dependency: ', name);
                     } else {
@@ -278,9 +284,9 @@
     // automatically log errors detected when loading modules
     var log_when_loaded = function () {
         _.delay(function () {
-            var len = job_deferred.length;
-            $.when.apply($, job_deferred).then(function () {
-                if (len === job_deferred.length) {
+            var len = job_promise.length;
+            Promise.all(job_promise).then(function () {
+                if (len === job_promise.length) {
                     odoo.log();
                 } else {
                     log_when_loaded();
diff --git a/addons/web/static/src/js/chrome/abstract_action.js b/addons/web/static/src/js/chrome/abstract_action.js
index a5f98434ddb..1b258ccc6f6 100644
--- a/addons/web/static/src/js/chrome/abstract_action.js
+++ b/addons/web/static/src/js/chrome/abstract_action.js
@@ -104,7 +104,7 @@ var AbstractAction = Widget.extend(ActionMixin, {
                         };
                     });
             }
-            return $.when(def).then(function () {
+            return Promise.resolve(def).then(function () {
                 var controlPanelView = new self.config.ControlPanelView(params);
                 return controlPanelView.getController(self).then(function (controlPanel) {
                     self._controlPanel = controlPanel;
@@ -112,7 +112,7 @@ var AbstractAction = Widget.extend(ActionMixin, {
                 });
             });
         }
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * @override
diff --git a/addons/web/static/src/js/chrome/abstract_web_client.js b/addons/web/static/src/js/chrome/abstract_web_client.js
index 7082f26e69d..68ac157868d 100644
--- a/addons/web/static/src/js/chrome/abstract_web_client.js
+++ b/addons/web/static/src/js/chrome/abstract_web_client.js
@@ -78,7 +78,7 @@ var AbstractWebClient = Widget.extend(ServiceProviderMixin, KeyboardNavigationMi
                 if (event.data.on_success) {
                     event.data.on_success(result);
                 }
-            }).fail(function (result) {
+            }).guardedCatch(function (result) {
                 if (event.data.on_fail) {
                     event.data.on_fail(result);
                 }
@@ -116,17 +116,17 @@ var AbstractWebClient = Widget.extend(ServiceProviderMixin, KeyboardNavigationMi
             .then(function () {
                 self.$el.toggleClass('o_rtl', _t.database.parameters.direction === "rtl");
                 self.bind_events();
-                return $.when(
+                return Promise.all([
                     self.set_action_manager(),
                     self.set_loading()
-                );
+                ]);
             }).then(function () {
                 if (session.session_is_valid()) {
                     return self.show_application();
                 } else {
                     // database manager needs the webclient to keep going even
                     // though it has no valid session
-                    return $.when();
+                    return Promise.resolve();
                 }
             }).then(function () {
                 // Listen to 'scroll' event and propagate it on main bus
@@ -145,12 +145,13 @@ var AbstractWebClient = Widget.extend(ServiceProviderMixin, KeyboardNavigationMi
         this.$el.on('mouseenter', '.oe_systray > div:not([data-toggle=tooltip])', function () {
             $(this).attr('data-toggle', 'tooltip').tooltip().trigger('mouseenter');
         });
+        // TODO: this handler seems useless since 11.0, should be removed
         this.$el.on('click', '.oe_dropdown_toggle', function (ev) {
             ev.preventDefault();
             var $toggle = $(this);
             var doc_width = $(document).width();
             var $menu = $toggle.siblings('.oe_dropdown_menu');
-            $menu = $menu.size() >= 1 ? $menu : $toggle.find('.oe_dropdown_menu');
+            $menu = $menu.length >= 1 ? $menu : $toggle.find('.oe_dropdown_menu');
             var state = $menu.is('.oe_opened');
             setTimeout(function () {
                 // Do not alter propagation
diff --git a/addons/web/static/src/js/chrome/action_manager.js b/addons/web/static/src/js/chrome/action_manager.js
index 107c6e314eb..0537b45deb5 100644
--- a/addons/web/static/src/js/chrome/action_manager.js
+++ b/addons/web/static/src/js/chrome/action_manager.js
@@ -92,7 +92,7 @@ var ActionManager = Widget.extend({
      * will be restored. It ensures that the current controller can be left (for
      * instance, that it has no unsaved changes).
      *
-     * @returns {Deferred} resolved if the current controller can be left,
+     * @returns {Promise} resolved if the current controller can be left,
      *   rejected otherwise.
      */
     clearUncommittedChanges: function () {
@@ -100,7 +100,7 @@ var ActionManager = Widget.extend({
         if (currentController) {
             return currentController.widget.canBeRemoved();
         }
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * This is the entry point to execute Odoo actions, given as an ID in
@@ -123,7 +123,7 @@ var ActionManager = Widget.extend({
      *   is useful when we come from a loadState())
      * @param {boolean} [options.replace_last_action=false] set to true to
      *   replace last part of the breadcrumbs with the action
-     * @return {$.Deferred<Object>} resolved with the action when the action is
+     * @return {Promise<Object>} resolved with the action when the action is
      *   loaded and appended to the DOM ; rejected if the action can't be
      *   executed (e.g. if doAction has been called to execute another action
      *   before this one was complete).
@@ -155,7 +155,7 @@ var ActionManager = Widget.extend({
             });
         }
 
-        return this.dp.add($.when(def)).then(function () {
+        return this.dp.add(Promise.resolve(def)).then(function () {
             // action.target 'main' is equivalent to 'current' except that it
             // also clears the breadcrumbs
             options.clear_breadcrumbs = action.target === 'main' ||
@@ -211,12 +211,12 @@ var ActionManager = Widget.extend({
      * @param {Object} state
      * @param {integer|string} [state.action] the action to execute (given its
      *   id or tag for client actions)
-     * @returns {Deferred} resolved when the UI has been updated
+     * @returns {Promise} resolved when the UI has been updated
      */
     loadState: function (state) {
         var action;
         if (!state.action) {
-            return $.when();
+            return Promise.resolve();
         }
         if (_.isString(state.action) && core.action_registry.contains(state.action)) {
             action = {
@@ -299,7 +299,7 @@ var ActionManager = Widget.extend({
      * @param {string} [action.target="current"] set to "new" to render the
      *   controller in a dialog
      * @param {Object} options @see doAction for details
-     * @returns {Deferred} resolved when the controller is started and appended
+     * @returns {Promise} resolved when the controller is started and appended
      */
     _executeAction: function (action, options) {
         var self = this;
@@ -338,7 +338,7 @@ var ActionManager = Widget.extend({
 
                 return action;
             })
-            .fail(function () {
+            .guardedCatch(function () {
                 self._removeAction(action.jsID);
             });
     },
@@ -349,7 +349,7 @@ var ActionManager = Widget.extend({
      * @private
      * @param {Object} action
      * @param {Object} options @see doAction for details
-     * @returns {Deferred} resolved when the controller is rendered inside a
+     * @returns {Promise} resolved when the controller is rendered inside a
      *   dialog appended to the DOM
      */
     _executeActionInDialog: function (action, options) {
@@ -401,7 +401,7 @@ var ActionManager = Widget.extend({
 
                 return action;
             });
-        }).fail(function () {
+        }).guardedCatch(function () {
             self._removeAction(action.jsID);
         });
     },
@@ -412,14 +412,14 @@ var ActionManager = Widget.extend({
      * @param {Object} action the description of the action to execute
      * @param {string} action.tag the key of the action in the action_registry
      * @param {Object} options @see doAction for details
-     * @returns {Deferred} resolved when the client action has been executed
+     * @returns {Promise} resolved when the client action has been executed
      */
     _executeClientAction: function (action, options) {
         var self = this;
         var ClientAction = core.action_registry.get(action.tag);
         if (!ClientAction) {
             console.error("Could not find client action " + action.tag, action);
-            return $.Deferred().reject();
+            return Promise.reject();
         }
         if (!(ClientAction.prototype instanceof AbstractAction)) {
             console.warn('The client action ' + action.tag + ' should be an instance of AbstractAction!');
@@ -431,7 +431,7 @@ var ActionManager = Widget.extend({
             if (next) {
                 return this.doAction(next, options);
             }
-            return $.when();
+            return Promise.resolve();
         }
 
         var controllerID = _.uniqueId('controller_');
@@ -449,12 +449,14 @@ var ActionManager = Widget.extend({
         };
         this.controllers[controllerID] = controller;
         action.controllerID = controllerID;
-        return this._executeAction(action, options).done(function () {
+        var prom = this._executeAction(action, options);
+        prom.then(function () {
             // AAB: this should be done automatically in AbstractAction, so that
             // it can be overriden by actions that have specific stuff to push
             // (e.g. Discuss, Views)
             self._pushState(controllerID, {});
         });
+        return prom;
     },
     /**
      * Executes actions of type 'ir.actions.act_window_close', i.e. closes the
@@ -469,7 +471,7 @@ var ActionManager = Widget.extend({
      * @param {Object} [action.effect] effect to show up, e.g. rainbow man.
      * @param {Object} [action.infos] infos on performing the close action.
      *   Useful for providing some context for the `on_close` handler.
-     * @returns {Deferred} resolved immediately
+     * @returns {Promise} resolved immediately
      */
     _executeCloseAction: function (action, options) {
         var result;
@@ -484,7 +486,7 @@ var ActionManager = Widget.extend({
             this.trigger_up('show_effect', action.effect);
         }
 
-        return $.when(result);
+        return Promise.resolve(result);
     },
     /**
      * Executes actions of type 'ir.actions.server'.
@@ -494,7 +496,7 @@ var ActionManager = Widget.extend({
      * @param {integer} action.id the db ID of the action to execute
      * @param {Object} [action.context]
      * @param {Object} options @see doAction for details
-     * @returns {Deferred} resolved when the action has been executed
+     * @returns {Promise} resolved when the action has been executed
      */
     _executeServerAction: function (action, options) {
         var self = this;
@@ -520,7 +522,7 @@ var ActionManager = Widget.extend({
      * @param {string} [action.target] set to 'self' to redirect in the current page,
      *   redirects to a new page by default
      * @param {Object} options @see doAction for details
-     * @returns {Deferred} resolved when the redirection is done (immediately
+     * @returns {Promise} resolved when the redirection is done (immediately
      *   when redirecting to a new page)
      */
     _executeURLAction: function (action, options) {
@@ -531,7 +533,7 @@ var ActionManager = Widget.extend({
 
         if (action.target === 'self') {
             framework.redirect(url);
-            return $.Deferred();
+            return Promise.resolve();
         } else {
             var w = window.open(url, '_blank');
             if (!w || w.closed || typeof w.closed === 'undefined') {
@@ -544,7 +546,7 @@ var ActionManager = Widget.extend({
 
         options.on_close();
 
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * Returns a description of the controllers in the given  controller stack.
@@ -653,14 +655,14 @@ var ActionManager = Widget.extend({
      * @param {Object} action
      * @param {string} action.type
      * @param {Object} options
-     * @returns {Deferred} resolved when the action has been executed ; rejected
+     * @returns {Promise} resolved when the action has been executed ; rejected
      *   if the type of action isn't supported, or if the action can't be
      *   executed
      */
     _handleAction: function (action, options) {
         if (!action.type) {
             console.error("No type for action", action);
-            return $.Deferred().reject();
+            return Promise.reject();
         }
         switch (action.type) {
             case 'ir.actions.act_url':
@@ -674,7 +676,7 @@ var ActionManager = Widget.extend({
             default:
                 console.error("The ActionManager can't handle actions of type " +
                     action.type, action);
-                return $.Deferred().reject();
+                return Promise.reject();
         }
     },
     /**
@@ -749,16 +751,17 @@ var ActionManager = Widget.extend({
      * @private
      * @param {integer|string} action's ID or xml ID
      * @param {Object} context
-     * @returns {Deferred<Object>} resolved with the description of the action
+     * @returns {Promise<Object>} resolved with the description of the action
      */
     _loadAction: function (actionID, context) {
-        var def = $.Deferred();
-        this.trigger_up('load_action', {
-            actionID: actionID,
-            context: context,
-            on_success: def.resolve.bind(def),
+        var self = this;
+        return new Promise(function (resolve, reject) {
+            self.trigger_up('load_action', {
+                actionID: actionID,
+                context: context,
+                on_success: resolve,
+            });
         });
-        return def;
     },
     /**
      * Preprocesses the action before it is handled by the ActionManager
@@ -815,20 +818,20 @@ var ActionManager = Widget.extend({
      *
      * @private
      * @param {string} controllerID
-     * @returns {Deferred} resolved when the controller has been restored
+     * @returns {Promise} resolved when the controller has been restored
      */
     _restoreController: function (controllerID) {
         var self = this;
         var controller = this.controllers[controllerID];
         // AAB: AbstractAction should define a proper hook to execute code when
-        // it is restored (other than do_show), and it should return a deferred
+        // it is restored (other than do_show), and it should return a promise
         var action = this.actions[controller.actionID];
         var def;
         if (action.on_reverse_breadcrumb) {
             def = action.on_reverse_breadcrumb();
         }
-        return $.when(def).then(function () {
-            return $.when(controller.widget.do_show()).then(function () {
+        return Promise.resolve(def).then(function () {
+            return Promise.resolve(controller.widget.do_show()).then(function () {
                 var index = _.indexOf(self.controllerStack, controllerID);
                 self._pushController(controller, index);
             });
@@ -844,7 +847,7 @@ var ActionManager = Widget.extend({
      *
      * @private
      * @param {Object} controller
-     * @returns {Deferred<Object>} resolved with the controller when it is ready
+     * @returns {Promise<Object>} resolved with the controller when it is ready
      */
     _startController: function (controller) {
         var fragment = document.createDocumentFragment();
diff --git a/addons/web/static/src/js/chrome/action_manager_act_window.js b/addons/web/static/src/js/chrome/action_manager_act_window.js
index 106f9f2aa47..d00b3a49eb2 100644
--- a/addons/web/static/src/js/chrome/action_manager_act_window.js
+++ b/addons/web/static/src/js/chrome/action_manager_act_window.js
@@ -144,7 +144,7 @@ ActionManager.include({
      * @param {integer} [options.index=0] the controller's index in the stack
      * @param {boolean} [options.lazy=false] set to true to differ the
      *   initialization of the controller's widget
-     * @returns {Deferred<Object>} resolved with the created controller
+     * @returns {Promise<Object>} resolved with the created controller
      */
     _createViewController: function (action, viewType, viewOptions, options) {
         var self = this;
@@ -153,7 +153,7 @@ ActionManager.include({
             // the requested view type isn't specified in the action (e.g.
             // action with list view only, user clicks on a row in the list, it
             // tries to switch to form view)
-            return $.Deferred().reject();
+            return Promise.reject();
         }
 
         options = options || {};
@@ -186,26 +186,31 @@ ActionManager.include({
                 // communication with trigger_up
                 controllerID: controllerID,
             });
+            var rejection;
             var view = new viewDescr.Widget(viewDescr.fieldsView, viewOptions);
-            var def = $.Deferred();
-            action.controllers[viewType] = def;
-            view.getController(this).then(function (widget) {
-                if (def.state() === 'rejected') {
-                    // the deferred has been rejected meanwhile, meaning that
-                    // the action has been removed, so simply destroy the widget
-                    widget.destroy();
-                } else {
-                    controller.widget = widget;
-                    def.resolve(controller);
-                }
-            }).fail(def.reject.bind(def));
-            def.fail(function () {
+            var def = new Promise(function (resolve, reject) {
+                rejection = reject;
+                view.getController(self).then(function (widget) {
+                    if (def.rejected) {
+                        // the promise has been rejected meanwhile, meaning that
+                        // the action has been removed, so simply destroy the widget
+                        widget.destroy();
+                    } else {
+                        controller.widget = widget;
+                        resolve(controller);
+                    }
+                }).guardedCatch(reject);
+            });
+            // Need to define an reject property to call it into _destroyWindowAction
+            def.reject = rejection;
+            def.guardedCatch(function () {
+                def.rejected = true;
                 delete self.controllers[controllerID];
             });
+            action.controllers[viewType] = def;
         } else {
-            action.controllers[viewType] = $.Deferred().resolve(controller);
+            action.controllers[viewType] = Promise.resolve(controller);
         }
-
         return action.controllers[viewType];
     },
     /**
@@ -217,18 +222,22 @@ ActionManager.include({
      */
     _destroyWindowAction: function (action) {
         var self = this;
-        _.each(action.controllers, function (controllerDef) {
+        for (var c in action.controllers) {
+            var controllerDef = action.controllers[c];
             controllerDef.then(function (controller) {
                 delete self.controllers[controller.jsID];
                 if (controller.widget) {
                     controller.widget.destroy();
                 }
             });
-            // reject the deferred if it is not yet resolved, so that the
-            // controller is correctly destroyed as soon as it is ready, and
-            // its reference is removed
-            controllerDef.reject();
-        });
+            // If controllerDef is not resolved yet, reject it so that the
+            // controller will be correctly destroyed as soon as it'll be ready,
+            // and its reference will be removed. Lazy-loaded controllers do
+            // not have a reject function on their promise
+            if (controllerDef.reject) {
+                controllerDef.reject();
+            }
+        }
     },
     /**
      * Executes actions of type 'ir.actions.act_window'.
@@ -239,13 +248,13 @@ ActionManager.include({
      * @param {Object} options @see doAction for details
      * @param {integer} [options.resID] the current res ID
      * @param {string} [options.viewType] the view to open
-     * @returns {Deferred} resolved when the action is appended to the DOM
+     * @returns {Promise} resolved when the action is appended to the DOM
      */
     _executeWindowAction: function (action, options) {
         var self = this;
         return this.dp.add(this._loadViews(action)).then(function (fieldsViews) {
             var views = self._generateActionViews(action, fieldsViews);
-            action._views = action.views;  // save the initial attribute
+            action._views = action.views; // save the initial attribute
             action.views = views;
             action.controlPanelFieldsView = fieldsViews.search;
             action.controllers = {};
@@ -285,7 +294,7 @@ ActionManager.include({
                         self.controllerStack.push(lazyLoadedController.jsID);
                     });
             }
-            return self.dp.add($.when(lazyViewDef))
+            return self.dp.add(Promise.resolve(lazyViewDef))
                 .then(function () {
                     var viewOptions = {
                         controllerState: options.controllerState,
@@ -300,7 +309,7 @@ ActionManager.include({
                     action.controllerID = controller.jsID;
                     return self._executeAction(action, options);
                 })
-                .fail(self._destroyWindowAction.bind(self, action));
+                .guardedCatch(self._destroyWindowAction.bind(self, action));
         });
     },
     /**
@@ -389,7 +398,7 @@ ActionManager.include({
      *
      * @private
      * @param {Object} action
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _loadViews: function (action) {
         var inDialog = action.target === 'new';
@@ -443,11 +452,11 @@ ActionManager.include({
             return this.clearUncommittedChanges().then(function () {
                 // AAB: this will be done directly in AbstractAction's restore
                 // function
-                var def;
+                var def = Promise.resolve();
                 if (action.on_reverse_breadcrumb) {
                     def = action.on_reverse_breadcrumb();
                 }
-                return $.when(def).then(function () {
+                return Promise.resolve(def).then(function () {
                     return self._switchController(action, controller.viewType);
                 });
             });
@@ -461,14 +470,14 @@ ActionManager.include({
      * @private
      * @param {Object} controller the controller to switch to
      * @param {Object} [viewOptions]
-     * @return {Deferred} resolved when the new controller is in the DOM
+     * @return {Promise} resolved when the new controller is in the DOM
      */
     _switchController: function (action, viewType, viewOptions) {
         var self = this;
         var view = _.findWhere(action.views, {type: viewType});
         if (!view) {
             // can't switch to an unknown view
-            return $.Deferred().reject();
+            return Promise.reject();
         }
         var currentController = this.getCurrentController();
         var index;
@@ -519,28 +528,30 @@ ActionManager.include({
         };
 
         var controllerDef = action.controllers[viewType];
-        if (!controllerDef || controllerDef.state() === 'rejected') {
-            // if the controllerDef is rejected, it probably means that the js
-            // code or the requests made to the server crashed.  In that case,
-            // if we reuse the same deferred, then the switch to the view is
-            // definitely blocked.  We want to use a new controller, even though
-            // it is very likely that it will recrash again.  At least, it will
-            // give more feedback to the user, and it could happen that one
-            // record crashes, but not another.
-            controllerDef = newController();
-        } else {
+        if (controllerDef) {
             controllerDef = controllerDef.then(function (controller) {
                 if (!controller.widget) {
                     // lazy loaded -> load it now (with same jsID)
                     return newController(controller.jsID);
                 } else {
-                    return $.when(controller.widget.willRestore()).then(function () {
+                    return Promise.resolve(controller.widget.willRestore()).then(function () {
                         return controller.widget.reload(viewOptions).then(function () {
                             return controller;
                         });
                     });
                 }
+            }, function () {
+                // if the controllerDef is rejected, it probably means that the js
+                // code or the requests made to the server crashed.  In that case,
+                // if we reuse the same promise, then the switch to the view is
+                // definitely blocked.  We want to use a new controller, even though
+                // it is very likely that it will recrash again.  At least, it will
+                // give more feedback to the user, and it could happen that one
+                // record crashes, but not another.
+                return newController();
             });
+        } else {
+            controllerDef = newController();
         }
 
         return this.dp.add(controllerDef).then(function (controller) {
@@ -577,11 +588,11 @@ ActionManager.include({
         var env = ev.data.env;
         var context = new Context(env.context, actionData.context || {});
         var recordID = env.currentID || null; // pyUtils handles null value, not undefined
-        var def = $.Deferred();
+        var def;
 
         // determine the action to execute according to the actionData
         if (actionData.special) {
-            def = $.when({type: 'ir.actions.act_window_close', infos: 'special'});
+            def = Promise.resolve({type: 'ir.actions.act_window_close', infos: 'special'});
         } else if (actionData.type === 'object') {
             // call a Python Object method, which may return an action to execute
             var args = recordID ? [[recordID]] : [env.resIDs];
@@ -611,13 +622,15 @@ ActionManager.include({
                 active_ids: env.resIDs,
                 active_id: recordID,
             }));
+        } else {
+            def = new Promise(function () {});
         }
 
         // use the DropPrevious to prevent from executing the handler if another
         // request (doAction, switchView...) has been done meanwhile ; execute
         // the fail handler if the 'call_button' or 'loadAction' failed but not
         // if the request failed due to the DropPrevious,
-        def.fail(ev.data.on_fail);
+        def.guardedCatch(ev.data.on_fail);
         this.dp.add(def).then(function (action) {
             // show effect if button have effect attribute
             // rainbowman can be displayed from two places: from attribute on a button or from python
diff --git a/addons/web/static/src/js/chrome/action_manager_report.js b/addons/web/static/src/js/chrome/action_manager_report.js
index 51922cd719f..30bac14006d 100644
--- a/addons/web/static/src/js/chrome/action_manager_report.js
+++ b/addons/web/static/src/js/chrome/action_manager_report.js
@@ -40,35 +40,36 @@ ActionManager.include({
      * report generation and download.
      *
      * @param {string} url
-     * @returns {Deferred} resolved when the report has been downloaded ;
+     * @returns {Promise} resolved when the report has been downloaded ;
      *   rejected if something went wrong during the report generation
      */
     _downloadReport: function (url) {
+        var self = this;
         framework.blockUI();
-        var def = $.Deferred();
-        var type = 'qweb-' + url.split('/')[2];
-        var blocked = !session.get_file({
-            url: '/report/download',
-            data: {
-                data: JSON.stringify([url, type]),
-            },
-            success: def.resolve.bind(def),
-            error: function () {
-                crash_manager.rpc_error.apply(crash_manager, arguments);
-                def.reject();
-            },
-            complete: framework.unblockUI,
+        return new Promise(function (resolve, reject) {
+            var type = 'qweb-' + url.split('/')[2];
+            var blocked = !session.get_file({
+                url: '/report/download',
+                data: {
+                    data: JSON.stringify([url, type]),
+                },
+                success: resolve,
+                error: function () {
+                    crash_manager.rpc_error.apply(crash_manager, arguments);
+                    reject();
+                },
+                complete: framework.unblockUI,
+            });
+            if (blocked) {
+                // AAB: this check should be done in get_file service directly,
+                // should not be the concern of the caller (and that way, get_file
+                // could return a promise)
+                var message = _t('A popup window with your report was blocked. You ' +
+                                 'may need to change your browser settings to allow ' +
+                                 'popup windows for this page.');
+                self.do_warn(_t('Warning'), message, true);
+            }
         });
-        if (blocked) {
-            // AAB: this check should be done in get_file service directly,
-            // should not be the concern of the caller (and that way, get_file
-            // could return a deferred)
-            var message = _t('A popup window with your report was blocked. You ' +
-                             'may need to change your browser settings to allow ' +
-                             'popup windows for this page.');
-            this.do_warn(_t('Warning'), message, true);
-        }
-        return def;
     },
 
     /**
@@ -77,7 +78,7 @@ ActionManager.include({
      * @private
      * @param {Object} action the description of the action to execute
      * @param {Object} options @see doAction for details
-     * @returns {Deferred} resolved when the action has been executed
+     * @returns {Promise} resolved when the action has been executed
      */
     _triggerDownload: function (action, options, type){
         var self = this;
@@ -97,7 +98,7 @@ ActionManager.include({
      * @private
      * @param {Object} action the description of the action to execute
      * @param {Object} options @see doAction for details
-     * @returns {Deferred} resolved when the action has been executed
+     * @returns {Promise} resolved when the action has been executed
      */
     _executeReportAction: function (action, options) {
         var self = this;
@@ -125,7 +126,7 @@ ActionManager.include({
         } else {
             console.error("The ActionManager can't handle reports of type " +
                 action.report_type, action);
-            return $.Deferred().reject();
+            return Promise.reject();
         }
     },
     /**
@@ -135,7 +136,7 @@ ActionManager.include({
      *
      * @param {Object} action
      * @param {Object} options
-     * @returns {Deferred} resolved when the client action has been executed
+     * @returns {Promise} resolved when the client action has been executed
      */
     _executeReportClientAction: function (action, options) {
         var urls = this._makeReportUrls(action);
diff --git a/addons/web/static/src/js/chrome/action_mixin.js b/addons/web/static/src/js/chrome/action_mixin.js
index 92d6716a7c0..02345e7e969 100644
--- a/addons/web/static/src/js/chrome/action_mixin.js
+++ b/addons/web/static/src/js/chrome/action_mixin.js
@@ -75,7 +75,7 @@ var ActionMixin = {
      * Called by the action manager when action is restored (typically, when the
      * user clicks on the action in the breadcrumb)
      *
-     * @returns {Deferred|undefined}
+     * @returns {Promise|undefined}
      */
     willRestore: function () {},
 
@@ -89,14 +89,14 @@ var ActionMixin = {
      * example, if the user has edited a form, maybe we should ask him if we
      * can discard all his changes when we switch to another action.  In that
      * case, the action manager will call this method.  If the returned
-     * deferred is succesfully resolved, then we can destroy the current action,
+     * promise is succesfully resolved, then we can destroy the current action,
      * otherwise, we need to stop.
      *
-     * @returns {Deferred} resolved if the action can be removed, rejected
+     * @returns {Promise} resolved if the action can be removed, rejected
      *   otherwise
      */
     canBeRemoved: function () {
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * This function is called when the current state of the action
diff --git a/addons/web/static/src/js/chrome/loading.js b/addons/web/static/src/js/chrome/loading.js
index 6c7f102231b..865aa081bf0 100644
--- a/addons/web/static/src/js/chrome/loading.js
+++ b/addons/web/static/src/js/chrome/loading.js
@@ -26,6 +26,8 @@ var Loading = Widget.extend({
         this._super(parent);
         this.count = 0;
         this.blocked_ui = false;
+    },
+    start: function() {
         core.bus.on('rpc_request', this, this.request_call);
         core.bus.on("rpc_response", this, this.response_call);
         core.bus.on("rpc_response_failed", this, this.response_call);
diff --git a/addons/web/static/src/js/chrome/menu.js b/addons/web/static/src/js/chrome/menu.js
index 8722724c9a6..552dfce811c 100644
--- a/addons/web/static/src/js/chrome/menu.js
+++ b/addons/web/static/src/js/chrome/menu.js
@@ -64,20 +64,22 @@ var Menu = Widget.extend({
 
         // Apps Menu
         this._appsMenu = new AppsMenu(self, this.menu_data);
-        this._appsMenu.appendTo(this.$menu_apps);
+        var appsMenuProm = this._appsMenu.appendTo(this.$menu_apps);
 
         // Systray Menu
         this.systray_menu = new SystrayMenu(this);
-        this.systray_menu.attachTo(this.$('.o_menu_systray'));
-
-        dom.initAutoMoreMenu(this.$section_placeholder, {
+        var systrayMenuProm = this.systray_menu.attachTo(this.$('.o_menu_systray')).then(function() {
+            dom.initAutoMoreMenu(self.$section_placeholder, {
             maxWidth: function () {
                 return self.$el.width() - (self.$menu_apps.outerWidth(true) + self.$menu_brand_placeholder.outerWidth(true) + self.systray_menu.$el.outerWidth(true));
             },
             sizeClass: 'SM',
+            });
         });
 
-        return this._super.apply(this, arguments);
+
+
+        return Promise.all([this._super.apply(this, arguments), appsMenuProm, systrayMenuProm]);
     },
     change_menu_section: function (primary_menu_id) {
         if (!this.$menu_sections[primary_menu_id]) {
diff --git a/addons/web/static/src/js/chrome/pager.js b/addons/web/static/src/js/chrome/pager.js
index c7f22a6f2c9..86700d93374 100644
--- a/addons/web/static/src/js/chrome/pager.js
+++ b/addons/web/static/src/js/chrome/pager.js
@@ -28,7 +28,7 @@ var Pager = Widget.extend({
      * @param {boolean} [options.can_edit] editable feature of the pager
      * @param {boolean} [options.single_page_hidden] (not) to display the pager
      *   if only one page
-     * @param {function} [options.validate] callback returning a Deferred to
+     * @param {function} [options.validate] callback returning a Promise to
      *   validate changes
      */
     init: function (parent, size, current_min, limit, options) {
@@ -46,7 +46,7 @@ var Pager = Widget.extend({
             can_edit: true, // editable
             single_page_hidden: false, // displayed even if there is a single page
             validate: function() {
-                return $.Deferred().resolve();
+                return Promise.resolve();
             },
             withAccessKey: true,  // can be disabled, for example, for x2m widgets
         });
@@ -55,7 +55,7 @@ var Pager = Widget.extend({
     /**
      * Renders the pager
      *
-     * @returns {jQuery.Deferred}
+     * @returns {Promise}
      */
     start: function () {
         this.$value = this.$('.o_pager_value');
@@ -216,7 +216,6 @@ var Pager = Widget.extend({
                 }
                 self.trigger('pager_changed', _.clone(self.state));
             }
-        }).always(function() {
             // Render the pager's new state (removes the input)
             self._render();
         });
diff --git a/addons/web/static/src/js/chrome/sidebar.js b/addons/web/static/src/js/chrome/sidebar.js
index 5cf6005a788..b7883cbb0f7 100644
--- a/addons/web/static/src/js/chrome/sidebar.js
+++ b/addons/web/static/src/js/chrome/sidebar.js
@@ -153,7 +153,7 @@ var Sidebar = Widget.extend({
                         action_id: item.action.id,
                         context: context,
                     },
-                }).done(function (result) {
+                }).then(function (result) {
                     result.context = new Context(
                         result.context || {}, activeIdsContext)
                             .set_eval_context(context);
diff --git a/addons/web/static/src/js/chrome/systray_menu.js b/addons/web/static/src/js/chrome/systray_menu.js
index 24fd02a3736..fd214c0b650 100644
--- a/addons/web/static/src/js/chrome/systray_menu.js
+++ b/addons/web/static/src/js/chrome/systray_menu.js
@@ -16,20 +16,19 @@ var SystrayMenu = Widget.extend({
         this._super(parent);
         this.items = [];
         this.widgets = [];
-        this.load = $.Deferred();
     },
     /**
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         var self = this;
         self._super.apply(this, arguments);
         self._loadItems();
-        $.when.apply($, self.items).always(function () {
-            self.load.resolve();
+
+        return new Promise(function (resolve, reject) {
+            Promise.all(self.items).then(resolve).guardedCatch(resolve);
         });
-        return self.load;
     },
 
     //--------------------------------------------------------------------------
diff --git a/addons/web/static/src/js/chrome/user_menu.js b/addons/web/static/src/js/chrome/user_menu.js
index a066b661fb2..2cc39b4d6bd 100644
--- a/addons/web/static/src/js/chrome/user_menu.js
+++ b/addons/web/static/src/js/chrome/user_menu.js
@@ -22,7 +22,7 @@ var UserMenu = Widget.extend({
 
     /**
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         var self = this;
@@ -36,7 +36,7 @@ var UserMenu = Widget.extend({
             var $avatar = self.$('.oe_topbar_avatar');
             if (!session.uid) {
                 $avatar.attr('src', $avatar.data('default-src'));
-                return $.when();
+                return Promise.resolve();
             }
             var topbar_name = session.name;
             if (session.debug) {
@@ -67,7 +67,7 @@ var UserMenu = Widget.extend({
                     .then(function (url) {
                         framework.redirect(url);
                     })
-                    .fail(function (result, ev){
+                    .guardedCatch(function (result, ev){
                         ev.preventDefault();
                         framework.redirect('https://accounts.odoo.com/account');
                     });
@@ -100,7 +100,7 @@ var UserMenu = Widget.extend({
                         model: "res.users",
                         method: "action_get"
                     })
-                    .done(function (result) {
+                    .then(function (result) {
                         result.res_id = session.uid;
                         self.do_action(result);
                     });
diff --git a/addons/web/static/src/js/chrome/web_client.js b/addons/web/static/src/js/chrome/web_client.js
index 0688adc362f..392d534f372 100644
--- a/addons/web/static/src/js/chrome/web_client.js
+++ b/addons/web/static/src/js/chrome/web_client.js
@@ -111,7 +111,7 @@ return AbstractWebClient.extend({
 
     instanciate_menu_widgets: function () {
         var self = this;
-        var defs = [];
+        var proms = [];
         return this.load_menus().then(function (menuData) {
             self.menu_data = menuData;
 
@@ -122,8 +122,8 @@ return AbstractWebClient.extend({
                 self.menu.destroy();
             }
             self.menu = new Menu(self, menuData);
-            defs.push(self.menu.prependTo(self.$el));
-            return $.when.apply($, defs);
+            proms.push(self.menu.prependTo(self.$el));
+            return Promise.all(proms);
         });
     },
 
@@ -133,7 +133,7 @@ return AbstractWebClient.extend({
     on_hashchange: function (event) {
         if (this._ignore_hashchange) {
             this._ignore_hashchange = false;
-            return $.when();
+            return Promise.resolve();
         }
 
         var self = this;
@@ -181,48 +181,51 @@ return AbstractWebClient.extend({
         return this.menu_dm.add(data_manager.load_action(ev.data.action_id))
             .then(function (result) {
                 return self.action_mutex.exec(function () {
-                    var completed = $.Deferred();
-                    var options = _.extend({}, ev.data.options, {
-                        clear_breadcrumbs: true,
-                        action_menu_id: ev.data.menu_id,
-                    });
-                    $.when(self._openMenu(result, options)).fail(function () {
-                        completed.resolve();
-                    }).done(function () {
-                        self._on_app_clicked_done(ev)
-                            .then(completed.resolve.bind(completed))
-                            .fail(completed.reject.bind(completed));
+                    var completed = new Promise(function (resolve, reject) {
+                        var options = _.extend({}, ev.data.options, {
+                            clear_breadcrumbs: true,
+                            action_menu_id: ev.data.menu_id,
+                        });
+
+                        Promise.resolve(self._openMenu(result, options))
+                               .then(function() {
+                                    self._on_app_clicked_done(ev)
+                                        .then(resolve)
+                                        .guardedCatch(reject);
+                               }).guardedCatch(function() {
+                                    resolve();
+                               });
+                        setTimeout(function () {
+                                resolve();
+                            }, 2000);
                     });
-                    setTimeout(function () {
-                        completed.resolve();
-                    }, 2000);
                     return completed;
                 });
             });
     },
     _on_app_clicked_done: function (ev) {
         core.bus.trigger('change_menu_section', ev.data.menu_id);
-        return $.Deferred().resolve();
+        return Promise.resolve();
     },
     on_menu_clicked: function (ev) {
         var self = this;
         return this.menu_dm.add(data_manager.load_action(ev.data.action_id))
             .then(function (result) {
-                return self.action_mutex.exec(function () {
-                    var completed = $.Deferred();
-                    $.when(self._openMenu(result, {
-                        clear_breadcrumbs: true,
-                    })).always(function () {
-                        completed.resolve();
-                    });
+                self.$el.removeClass('o_mobile_menu_opened');
 
-                    setTimeout(function () {
-                        completed.resolve();
-                    }, 2000);
+                return self.action_mutex.exec(function () {
+                    var completed = new Promise(function (resolve, reject) {
+                        Promise.resolve(self._openMenu(result, {
+                            clear_breadcrumbs: true,
+                        })).then(resolve).guardedCatch(reject);
 
+                        setTimeout(function () {
+                            resolve();
+                        }, 2000);
+                    });
                     return completed;
                 });
-            }).always(function () {
+            }).guardedCatch(function () {
                 self.$el.removeClass('o_mobile_menu_opened');
             });
     },
@@ -233,7 +236,7 @@ return AbstractWebClient.extend({
      * @private
      * @param {Object} action
      * @param {Object} options
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _openMenu: function (action, options) {
         return this.do_action(action, options);
diff --git a/addons/web/static/src/js/core/ajax.js b/addons/web/static/src/js/core/ajax.js
index 509126498bc..8e7216c7b00 100644
--- a/addons/web/static/src/js/core/ajax.js
+++ b/addons/web/static/src/js/core/ajax.js
@@ -3,22 +3,19 @@ odoo.define('web.ajax', function (require) {
 
 var config = require('web.config');
 var core = require('web.core');
-var utils = require('web.utils');
 var time = require('web.time');
 var download = require('web.download');
 var contentdisposition = require('web.contentdisposition');
 
 var _t = core._t;
 
-function genericJsonRpc (fct_name, params, settings, fct) {
+function _genericJsonRpc (fct_name, params, settings, fct) {
     var shadow = settings.shadow || false;
     delete settings.shadow;
     if (!shadow) {
         core.bus.trigger('rpc_request');
     }
 
-    var deferred = $.Deferred();
-
     var data = {
         jsonrpc: "2.0",
         method: fct_name,
@@ -26,7 +23,7 @@ function genericJsonRpc (fct_name, params, settings, fct) {
         id: Math.floor(Math.random() * 1000 * 1000 * 1000)
     };
     var xhr = fct(data);
-    var result = xhr.pipe(function(result) {
+    var result = xhr.then(function(result) {
         core.bus.trigger('rpc:result', data, result);
         if (result.error !== undefined) {
             if (result.error.data.arguments[0] !== "bus.Bus not available in test mode") {
@@ -36,65 +33,86 @@ function genericJsonRpc (fct_name, params, settings, fct) {
                     console.error("Server application error", JSON.stringify(result.error));
                 }
             }
-            return $.Deferred().reject("server", result.error);
+            return Promise.reject({type: "server", error: result.error});
         } else {
             return result.result;
         }
     }, function() {
         //console.error("JsonRPC communication error", _.toArray(arguments));
-        var def = $.Deferred();
-        return def.reject.apply(def, ["communication"].concat(_.toArray(arguments)));
+        var reason = {
+            type: 'communication',
+            error: arguments[0],
+            textStatus: arguments[1],
+            errorThrown: arguments[2],
+        };
+        return Promise.reject(reason);
     });
-    deferred.abort = function () {
-        deferred.reject({message: "XmlHttpRequestError abort"}, $.Event('abort'));
-        if (xhr.abort) {
-            xhr.abort();
-        }
-    };
 
-    result.then(function (result) {
-        if (!shadow) {
-            core.bus.trigger('rpc_response');
-        }
-        deferred.resolve(result);
-    }, function (type, error, textStatus, errorThrown) {
-        if (type === "server") {
+    var rejection;
+    var promise = new Promise(function (resolve, reject) {
+        rejection = reject;
+
+        result.then(function (result) {
             if (!shadow) {
                 core.bus.trigger('rpc_response');
             }
-            if (error.code === 100) {
-                core.bus.trigger('invalidate_session');
-            }
-            deferred.reject(error, $.Event());
-        } else {
-            if (!shadow) {
-                core.bus.trigger('rpc_response_failed');
+            resolve(result);
+        }, function (reason) {
+            var type = reason.type;
+            var error = reason.error;
+            var textStatus = reason.textStatus;
+            var errorThrown = reason.errorThrown;
+            if (type === "server") {
+                if (!shadow) {
+                    core.bus.trigger('rpc_response');
+                }
+                if (error.code === 100) {
+                    core.bus.trigger('invalidate_session');
+                }
+                reject({message: error, event: $.Event()});
+            } else {
+                if (!shadow) {
+                    core.bus.trigger('rpc_response_failed');
+                }
+                var nerror = {
+                    code: -32098,
+                    message: "XmlHttpRequestError " + errorThrown,
+                    data: {
+                        type: "xhr"+textStatus,
+                        debug: error.responseText,
+                        objects: [error, errorThrown]
+                    },
+                };
+                reject({message: nerror, event: $.Event()});
             }
-            var nerror = {
-                code: -32098,
-                message: "XmlHttpRequestError " + errorThrown,
-                data: {
-                    type: "xhr"+textStatus,
-                    debug: error.responseText,
-                    objects: [error, errorThrown]
-                },
-            };
-            deferred.reject(nerror, $.Event());
-        }
+        });
     });
-    deferred.fail(function () { // Allow deferred user to disable rpc_error call in fail
-        deferred.fail(function (error, event) {
-            if (!event.isDefaultPrevented()) {
-                core.bus.trigger('rpc_error', error, event);
-            }
+
+    // FIXME: jsonp?
+    promise.abort = function () {
+        rejection({
+            message: "XmlHttpRequestError abort",
+            event: $.Event('abort')
         });
+        if (xhr.abort) {
+            xhr.abort();
+        }
+    };
+    promise.guardedCatch(function (reason) { // Allow promise user to disable rpc_error call in case of failure
+        setTimeout(function () {
+            // we want to execute this handler after all others (hence
+            // setTimeout) to let the other handlers prevent the event
+            if (!reason.event.isDefaultPrevented()) {
+                core.bus.trigger('rpc_error', reason.message, reason.event);
+            }
+        }, 0);
     });
-    return deferred;
-}
+    return promise;
+};
 
 function jsonRpc(url, fct_name, params, settings) {
     settings = settings || {};
-    return genericJsonRpc(fct_name, params, settings, function(data) {
+    return _genericJsonRpc(fct_name, params, settings, function(data) {
         return $.ajax(url, _.extend({}, settings, {
             url: url,
             dataType: 'json',
@@ -110,19 +128,6 @@ function rpc(url, params, settings) {
     return jsonRpc(url, 'call', params, settings);
 }
 
-// helper
-function realSetTimeout (fct, millis) {
-    var finished = new Date().getTime() + millis;
-    var wait = function() {
-        var current = new Date().getTime();
-        if (current < finished) {
-            setTimeout(wait, finished - current);
-        } else {
-            fct();
-        }
-    };
-    setTimeout(wait, millis);
-}
 
 /**
  * Load css asynchronously: fetch it from the url parameter and add a link tag
@@ -131,26 +136,27 @@ function realSetTimeout (fct, millis) {
  * immediately.
  *
  * @param {String} url of the css to be fetched
- * @returns {Deferred} resolved when the css has been loaded.
+ * @returns {Promise} resolved when the css has been loaded.
  */
 var loadCSS = (function () {
-    var urlDefs = Object.create(null);
+    var urlDefs = {};
 
     return function loadCSS(url) {
         if (url in urlDefs) {
             // nothing to do here
         } else if ($('link[href="' + url + '"]').length) {
-            // the link is already in the DOM, the deferred can be resolved
-            urlDefs[url] = $.when();
+            // the link is already in the DOM, the promise can be resolved
+            urlDefs[url] = Promise.resolve();
         } else {
             var $link = $('<link>', {
                 'href': url,
                 'rel': 'stylesheet',
                 'type': 'text/css'
             });
-            urlDefs[url] = $.Deferred();
-            $link.on('load', function () {
-                urlDefs[url].resolve();
+            urlDefs[url] = new Promise(function (resolve, reject) {
+                $link.on('load', function () {
+                    resolve();
+                });
             });
             $('head').append($link);
         }
@@ -159,44 +165,45 @@ var loadCSS = (function () {
 })();
 
 var loadJS = (function () {
-    var urls = [];
-    var defs = [];
+    var dependenciesPromise = {};
 
     var load = function loadJS(url) {
         // Check the DOM to see if a script with the specified url is already there
         var alreadyRequired = ($('script[src="' + url + '"]').length > 0);
 
-        // If loadJS was already called with the same URL, it will have a registered deferred indicating if
-        // the script has been fully loaded. If not, the deferred has to be initialized. This is initialized
-        // as already resolved if the script was already there without the need of loadJS.
-        var index = _.indexOf(urls, url);
-        if (index < 0) {
-            urls.push(url);
-            index = defs.push(alreadyRequired ? $.when() : $.Deferred()) - 1;
+        // If loadJS was already called with the same URL, it will have a registered promise indicating if
+        // the script has been fully loaded. If not, the promise has to be initialized.
+        // This is initialized as already resolved if the script was already there without the need of loadJS.
+        if (url in dependenciesPromise) {
+            return dependenciesPromise[url];
         }
+        var scriptLoadedPromise = new Promise(function (resolve, reject) {
+            if (alreadyRequired) {
+                resolve();
+            } else {
+                // Get the script associated promise and returns it after initializing the script if needed. The
+                // promise is marked to be resolved on script load and rejected on script error.
+                var script = document.createElement('script');
+                script.type = 'text/javascript';
+                script.src = url;
+                script.onload = script.onreadystatechange = function() {
+                    if ((script.readyState && script.readyState !== "loaded" && script.readyState !== "complete") || script.onload_done) {
+                        return;
+                    }
+                    script.onload_done = true;
+                    resolve(url);
+                };
+                script.onerror = function () {
+                    console.error("Error loading file", script.src);
+                    reject(url);
+                };
+                var head = document.head || document.getElementsByTagName('head')[0];
+                head.appendChild(script);
+            }
+        });
 
-        // Get the script associated deferred and returns it after initializing the script if needed. The
-        // deferred is marked to be resolved on script load and rejected on script error.
-        var def = defs[index];
-        if (!alreadyRequired) {
-            var script = document.createElement('script');
-            script.type = 'text/javascript';
-            script.src = url;
-            script.onload = script.onreadystatechange = function() {
-                if ((script.readyState && script.readyState !== "loaded" && script.readyState !== "complete") || script.onload_done) {
-                    return;
-                }
-                script.onload_done = true;
-                def.resolve(url);
-            };
-            script.onerror = function () {
-                console.error("Error loading file", script.src);
-                def.reject(url);
-            };
-            var head = document.head || document.getElementsByTagName('head')[0];
-            head.appendChild(script);
-        }
-        return def;
+        dependenciesPromise[url] = scriptLoadedPromise;
+        return scriptLoadedPromise;
     };
 
     return load;
@@ -308,22 +315,6 @@ function get_file(options) {
 }
 
 function post (controller_url, data) {
-
-    var progressHandler = function (deferred) {
-        return function (state) {
-            if(state.lengthComputable) {
-                deferred.notify({
-                    h_loaded: utils.human_size(state.loaded),
-                    h_total : utils.human_size(state.total),
-                    loaded  : state.loaded,
-                    total   : state.total,
-                    pcent   : Math.round((state.loaded/state.total)*100)
-                });
-            }
-        };
-    };
-
-    var Def = $.Deferred();
     var postData = new FormData();
 
     $.each(data, function(i,val) {
@@ -333,25 +324,20 @@ function post (controller_url, data) {
         postData.append('csrf_token', core.csrf_token);
     }
 
-    var xhr = new XMLHttpRequest();
-    if(xhr.upload) xhr.upload.addEventListener('progress', progressHandler(Def), false);
-
-    var ajaxDef = $.ajax(controller_url, {
-        xhr: function() {return xhr;},
-        data:           postData,
-        processData:    false,
-        contentType:    false,
-        type:           'POST'
-    }).then(function (data) {Def.resolve(data);})
-    .fail(function (data) {Def.reject(data);});
-
-    return Def;
+    return new Promise(function (resolve, reject) {
+        $.ajax(controller_url, {
+            data: postData,
+            processData: false,
+            contentType: false,
+            type: 'POST'
+        }).then(resolve).fail(reject);
+    });
 }
 
 /**
  * Loads an XML file according to the given URL and adds its associated qweb
  * templates to the given qweb engine. The function can also be used to get
- * the deferred which indicates when all the calls to the function are finished.
+ * the promise which indicates when all the calls to the function are finished.
  *
  * Note: "all the calls" = the calls that happened before the current no-args
  * one + the calls that will happen after but when the previous ones are not
@@ -359,8 +345,8 @@ function post (controller_url, data) {
  *
  * @param {string} [url] - an URL where to find qweb templates
  * @param {QWeb} [qweb] - the engine to which the templates need to be added
- * @returns {Deferred}
- *          If no argument is given to the function, the deferred's state
+ * @returns {Promise}
+ *          If no argument is given to the function, the promise's state
  *          indicates if "all the calls" are finished (see main description).
  *          Otherwise, it indicates when the templates associated to the given
  *          url have been loaded.
@@ -369,63 +355,64 @@ var loadXML = (function () {
     // Some "static" variables associated to the loadXML function
     var isLoading = false;
     var loadingsData = [];
-    var allLoadingsDef = $.when();
     var seenURLs = [];
 
     return function (url, qweb) {
-        // If no argument, simply returns the deferred which indicates when
+        function _load() {
+            isLoading = true;
+            if (loadingsData.length) {
+                // There is something to load, load it, resolve the associated
+                // promise then start loading the next one
+                var loadingData = loadingsData[0];
+                loadingData.qweb.add_template(loadingData.url, function () {
+                    // Remove from array only now so that multiple calls to
+                    // loadXML with the same URL returns the right promise
+                    loadingsData.shift();
+                    loadingData.resolve();
+                    _load();
+                });
+            } else {
+                // There is nothing to load anymore, so resolve the
+                // "all the calls" promise
+                isLoading = false;
+            }
+        }
+
+        // If no argument, simply returns the promise which indicates when
         // "all the calls" are finished
         if (!url || !qweb) {
-            return allLoadingsDef;
+            return Promise.resolve();
         }
 
         // If the given URL has already been seen, do nothing but returning the
-        // associated deferred
+        // associated promise
         if (_.contains(seenURLs, url)) {
             var oldLoadingData = _.findWhere(loadingsData, {url: url});
-            return oldLoadingData ? oldLoadingData.def : $.when();
+            return oldLoadingData ? oldLoadingData.def : Promise.resolve();
         }
         seenURLs.push(url);
 
+
         // Add the information about the new data to load: the url, the qweb
-        // engine and the associated deferred
+        // engine and the associated promise
         var newLoadingData = {
             url: url,
             qweb: qweb,
-            def: $.Deferred(),
         };
+        newLoadingData.def = new Promise(function (resolve, reject) {
+            newLoadingData.resolve = resolve;
+            newLoadingData.reject = reject;
+        });
         loadingsData.push(newLoadingData);
 
         // If not already started, start the loading loop (reinitialize the
-        // "all the calls" deferred to an unresolved state)
+        // "all the calls" promise to an unresolved state)
         if (!isLoading) {
-            allLoadingsDef = $.Deferred();
             _load();
         }
 
-        // Return the deferred associated to the new given URL
+        // Return the promise associated to the new given URL
         return newLoadingData.def;
-
-        function _load() {
-            isLoading = true;
-            if (loadingsData.length) {
-                // There is something to load, load it, resolve the associated
-                // deferred then start loading the next one
-                var loadingData = loadingsData[0];
-                loadingData.qweb.add_template(loadingData.url, function () {
-                    // Remove from array only now so that multiple calls to
-                    // loadXML with the same URL returns the right deferred
-                    loadingsData.shift();
-                    loadingData.def.resolve();
-                    _load();
-                });
-            } else {
-                // There is nothing to load anymore, so resolve the
-                // "all the calls" deferred
-                isLoading = false;
-                allLoadingsDef.resolve();
-            }
-        }
     };
 })();
 
@@ -444,7 +431,7 @@ var loadAsset = (function () {
 
     var load = function loadAsset(xmlId) {
         if (cache[xmlId]) {
-            return $.when(cache[xmlId]);
+            return Promise.resolve(cache[xmlId]);
         }
         var params = {
             args: [xmlId, {
@@ -493,22 +480,20 @@ var loadAsset = (function () {
  * @param {Array<string>} [libs.assetLibs=[]] A list of xmlId. The loaded template
  *   contains the script and link to be loaded
  *
- * @returns {Deferred}
+ * @returns {Promise}
  */
 function loadLibs (libs) {
     var defs = [];
-    _.each(libs.jsLibs || [], function (urls) {
-        defs.push($.when.apply($, defs).then(function () {
+    (libs.jsLibs || []).forEach(function (urls) {
+        defs.push(Promise.all(defs).then(function () {
             if (typeof(urls) === 'string') {
                 return ajax.loadJS(urls);
             } else {
-                return $.when.apply($, _.map(urls, function (url) {
-                    return ajax.loadJS(url);
-                }));
+                return Promise.all(urls.map(ajax.loadJS));
             }
         }));
     });
-    _.each(libs.cssLibs || [], function (url) {
+    (libs.cssLibs || []).forEach(function (url) {
         defs.push(ajax.loadCSS(url));
     });
     _.each(libs.assetLibs || [], function (xmlId) {
@@ -516,7 +501,7 @@ function loadLibs (libs) {
             return loadLibs(asset);
         }));
     });
-    return $.when.apply($, defs);
+    return Promise.all(defs);
 }
 
 var ajax = {
diff --git a/addons/web/static/src/js/core/concurrency.js b/addons/web/static/src/js/core/concurrency.js
index 6eeebe7ff58..716abafa919 100644
--- a/addons/web/static/src/js/core/concurrency.js
+++ b/addons/web/static/src/js/core/concurrency.js
@@ -8,7 +8,7 @@ odoo.define('web.concurrency', function (require) {
  * everything concurrency related in Odoo.
  *
  * The basic concurrency primitives in Odoo JS are the callback, and the
- * promises.  Promises (deferred) are more composable, so we usually use them
+ * promises.  Promises (promise) are more composable, so we usually use them
  * whenever possible.  We use the jQuery implementation.
  *
  * Those functions are really nothing special, but are simply the result of how
@@ -19,54 +19,15 @@ var Class = require('web.Class');
 
 return {
     /**
-     * The jquery implementation for $.when has a (most of the time) useful
-     * property: it is synchronous, if the deferred is resolved immediately.
-     *
-     * This means that when we execute $.when(def), then all registered
-     * callbacks will be executed before the next line is executed.  This is
-     * useful quite often, but in some rare cases, we might want to force an
-     * async behavior. This is the purpose of this function, which simply adds a
-     * setTimeout before resolving the deferred.
-     *
-     * @returns {Deferred}
-     */
-    asyncWhen: function () {
-        var async = false;
-        var def = $.Deferred();
-        $.when.apply($, arguments).done(function() {
-            var args = arguments;
-            var action = function() {
-                def.resolve.apply(def, args);
-            };
-            if (async) {
-                action();
-            } else {
-                setTimeout(action, 0);
-            }
-        }).fail(function() {
-            var args = arguments;
-            var action = function() {
-                def.reject.apply(def, args);
-            };
-            if (async) {
-                action();
-            } else {
-                setTimeout(action, 0);
-            }
-        });
-        async = true;
-        return def;
-    },
-    /**
-     * Returns a deferred resolved after 'wait' milliseconds
+     * Returns a promise resolved after 'wait' milliseconds
      *
      * @param {int} [wait=0] the delay in ms
-     * @return {Deferred}
+     * @return {Promise}
      */
     delay: function (wait) {
-        var def = $.Deferred();
-        setTimeout(def.resolve, wait);
-        return def;
+        return new Promise(function (resolve) {
+            setTimeout(resolve, wait);
+        });
     },
     /**
      * The DropMisordered abstraction is useful for situations where you have
@@ -93,27 +54,27 @@ return {
             this.failMisordered = failMisordered || false;
         },
         /**
-         * Adds a deferred (usually an async request) to the sequencer
+         * Adds a promise (usually an async request) to the sequencer
          *
-         * @param {Deferred} deferred to ensure add
-         * @returns {Deferred}
+         * @param {Promise} promise to ensure add
+         * @returns {Promise}
          */
-        add: function (deferred) {
-            var res = $.Deferred();
-
-            var self = this, seq = this.lsn++;
-            deferred.done(function () {
-                if (seq > self.rsn) {
-                    self.rsn = seq;
-                    res.resolve.apply(res, arguments);
-                } else if (self.failMisordered) {
-                    res.reject();
-                }
-            }).fail(function () {
-                res.reject.apply(res, arguments);
+        add: function (promise) {
+            var self = this;
+            var seq = this.lsn++;
+            var res = new Promise(function (resolve, reject) {
+                promise.then(function (result) {
+                    if (seq > self.rsn) {
+                        self.rsn = seq;
+                        resolve(result);
+                    } else if (self.failMisordered) {
+                        reject();
+                    }
+                }).guardedCatch(function (result) {
+                    reject(result);
+                });
             });
-
-            return res.promise();
+            return res;
         },
     }),
     /**
@@ -152,17 +113,26 @@ return {
      */
     DropPrevious: Class.extend({
         /**
-         * Registers a new deferred and rejects the previous one
+         * Registers a new promise and rejects the previous one
          *
-         * @param {Deferred} deferred the new deferred
+         * @param {Promise} promise the new promise
          * @returns {Promise}
          */
-        add: function (deferred) {
-            if (this.current_def) { this.current_def.reject(); }
-            var res = $.Deferred();
-            deferred.then(res.resolve, res.reject);
-            this.current_def = res;
-            return res.promise();
+        add: function (promise) {
+            if (this.currentDef) {
+                this.currentDef.reject();
+            }
+            var rejection;
+            var res = new Promise(function (resolve, reject) {
+                rejection = reject;
+                promise.then(resolve).catch(function (reason) {
+                    reject(reason);
+                });
+            });
+
+            this.currentDef = res;
+            this.currentDef.reject = rejection;
+            return res;
         }
     }),
     /**
@@ -171,7 +141,7 @@ return {
      * state and cause some corrupted state.
      *
      * Imagine that we have a function to fetch some data _load(), which returns
-     * a deferred which resolves to something useful. Now, we have some code
+     * a promise which resolves to something useful. Now, we have some code
      * looking like this::
      *
      *      return this._load().then(function (result) {
@@ -200,37 +170,51 @@ return {
      */
     Mutex: Class.extend({
         init: function () {
-            this.def = $.Deferred().resolve();
-            this.unlockedDef = undefined;
+            this.lock = Promise.resolve();
+            this.queueSize = 0;
+            this.unlockedProm = undefined;
+            this._unlock = undefined;
         },
         /**
          * Add a computation to the queue, it will be executed as soon as the
          * previous computations are completed.
          *
-         * @param {function} action a function which may return a deferred
-         * @returns {Deferred}
+         * @param {function} action a function which may return a Promise
+         * @returns {Promise}
          */
         exec: function (action) {
             var self = this;
-            var current = this.def;
-            var next = this.def = $.Deferred();
-            this.unlockedDef = this.unlockedDef || $.Deferred();
-            return current.then(function() {
-                return $.when(action()).always(function () {
-                    next.resolve();
-                    if (self.def.state() === 'resolved' && self.unlockedDef) {
-                        self.unlockedDef.resolve();
-                        self.unlockedDef = undefined;
-                    }
+            var currentLock = this.lock;
+            var result;
+            this.queueSize++;
+            this.unlockedProm = this.unlockedProm || new Promise(function (resolve) {
+                self._unlock = resolve;
+            });
+            this.lock = new Promise(function (unlockCurrent) {
+                currentLock.then(function () {
+                    result = action();
+                    var always = function (returnedResult) {
+                        unlockCurrent();
+                        self.queueSize--;
+                        if (self.queueSize === 0) {
+                            self.unlockedProm = undefined;
+                            self._unlock();
+                        }
+                        return returnedResult;
+                    };
+                    Promise.resolve(result).then(always).guardedCatch(always);
                 });
             });
+            return this.lock.then(function () {
+                return result;
+            });
         },
         /**
          * @returns {Promise} resolved as soon as the Mutex is unlocked
          *   (directly if it is currently idle)
          */
         getUnlockedDef: function () {
-            return $.when(this.unlockedDef);
+            return this.unlockedProm || Promise.resolve();
         },
     }),
     /**
@@ -253,65 +237,86 @@ return {
      *
      * A MutexedDropPrevious has to be a class, and not a function, because we
      * have to keep track of some internal state. The exec function takes as
-     * argument an action (and not a deferred as DropPrevious for example)
+     * argument an action (and not a promise as DropPrevious for example)
      * because it's the MutexedDropPrevious role to trigger the RPC call that
-     * returns a deferred when it's time.
+     * returns a promise when it's time.
      */
     MutexedDropPrevious: Class.extend({
         init: function () {
-            this.currentDef = null;
             this.locked = false;
+            this.currentProm = null;
             this.pendingAction = null;
-            this.pendingDef = null;
+            this.pendingProm = null;
         },
         /**
-         * @param {function} action a function which may return a deferred
-         * @returns {Deferred}
+         * @param {function} action a function which may return a promise
+         * @returns {Promise}
          */
         exec: function (action) {
             var self = this;
+            var resolution;
+            var rejection;
             if (this.locked) {
                 this.pendingAction = action;
-                var oldPendingDef = this.pendingDef;
-                var pendingDef = this.pendingDef = $.Deferred();
-                if (oldPendingDef) {
-                    oldPendingDef.reject();
-                }
-                this.currentDef.reject();
-                return pendingDef.promise();
+                var oldPendingDef = this.pendingProm;
+
+                this.pendingProm = new Promise(function (resolve, reject) {
+                    resolution = resolve;
+                    rejection = reject;
+                    if (oldPendingDef) {
+                        oldPendingDef.reject();
+                    }
+                    self.currentProm.reject();
+                });
+                this.pendingProm.resolve = resolution;
+                this.pendingProm.reject = rejection;
+                return this.pendingProm;
             } else {
                 this.locked = true;
-                this.currentDef = $.Deferred();
-                $.when(action())
-                    .then(this.currentDef.resolve.bind(this.currentDef))
-                    .fail(this.currentDef.reject.bind(this.currentDef))
-                    .always(function () {
+                this.currentProm = new Promise(function (resolve, reject) {
+                    resolution = resolve;
+                    rejection = reject;
+                    function unlock() {
                         self.locked = false;
                         if (self.pendingAction) {
                             var action = self.pendingAction;
+                            var prom = self.pendingProm;
                             self.pendingAction = null;
+                            self.pendingProm = null;
                             self.exec(action)
-                                .then(self.pendingDef.resolve.bind(self.pendingDef))
-                                .fail(self.pendingDef.reject.bind(self.pendingDef));
+                                .then(prom.resolve)
+                                .guardedCatch(prom.reject);
                         }
+                    }
+                    Promise.resolve(action())
+                        .then(function (result) {
+                            resolve(result);
+                            unlock();
+                        })
+                        .guardedCatch(function (reason) {
+                            reject(reason);
+                            unlock();
+                        });
                 });
-                return this.currentDef.promise();
+                this.currentProm.resolve = resolution;
+                this.currentProm.reject = rejection;
+                return this.currentProm;
             }
-        },
+        }
     }),
     /**
-     * Rejects a deferred as soon as a reference deferred is either resolved or
+     * Rejects a promise as soon as a reference promise is either resolved or
      * rejected
      *
-     * @param {Deferred} [target_def] the deferred to potentially reject
-     * @param {Deferred} [reference_def] the reference target
-     * @returns {Deferred}
+     * @param {Promise} [target_def] the promise to potentially reject
+     * @param {Promise} [reference_def] the reference target
+     * @returns {Promise}
      */
     rejectAfter: function (target_def, reference_def) {
-        var res = $.Deferred();
-        target_def.then(res.resolve, res.reject);
-        reference_def.always(res.reject);
-        return res.promise();
+        return new Promise(function (resolve, reject) {
+            target_def.then(resolve).guardedCatch(reject);
+            reference_def.then(reject).guardedCatch(reject);
+        });
     }
 };
 
diff --git a/addons/web/static/src/js/core/dialog.js b/addons/web/static/src/js/core/dialog.js
index 83eded92c8a..8630b6b9364 100644
--- a/addons/web/static/src/js/core/dialog.js
+++ b/addons/web/static/src/js/core/dialog.js
@@ -52,9 +52,11 @@ var Dialog = Widget.extend({
      *        (use this for non-editor frontend features)
      */
     init: function (parent, options) {
+        var self = this;
         this._super(parent);
-        this._opened = $.Deferred();
-
+        this._opened = new Promise(function (resolve) {
+            self._openedResolver = resolve;
+        });
         options = _.defaults(options || {}, {
             title: _t('Odoo'), subtitle: '',
             size: 'large',
@@ -140,7 +142,7 @@ var Dialog = Widget.extend({
                     def = buttonData.click.call(self, e);
                 }
                 if (buttonData.close) {
-                    $.when(def).always(self.close.bind(self));
+                    Promise.resolve(def).then(self.close.bind(self)).guardedCatch(self.close.bind(self));
                 }
             });
             if (self.technical) {
@@ -185,7 +187,7 @@ var Dialog = Widget.extend({
             self.$modal.attr('open', true);
             self.$modal.removeAttr("aria-hidden");
             self.$modal.modal('show');
-            self._opened.resolve();
+            self._openedResolver();
             if (options && options.shouldFocusButtons) {
                 self._onFocusControlButton();
             }
diff --git a/addons/web/static/src/js/core/dom.js b/addons/web/static/src/js/core/dom.js
index b8a5b8be3a4..3faa5977c8c 100644
--- a/addons/web/static/src/js/core/dom.js
+++ b/addons/web/static/src/js/core/dom.js
@@ -1,11 +1,10 @@
 odoo.define('web.dom_ready', function (require) {
 'use strict';
 
-var def = $.Deferred();
-$(def.resolve.bind(def));
-return def;
+    return new Promise(function (resolve, reject) {
+        $(resolve);
+    });
 });
-
 //==============================================================================
 
 odoo.define('web.dom', function (require) {
@@ -33,7 +32,7 @@ var _t = core._t;
  * that on_attach_callback() will be called on each w with arguments args
  */
 function _notify(content, callbacks) {
-    _.each(callbacks, function (c) {
+    callbacks.forEach(function (c) {
         if (c.widget && c.widget.on_attach_callback) {
             c.widget.on_attach_callback(c.callback_args);
         }
@@ -170,14 +169,14 @@ var dom = {
      * @return {jQuery} the detached elements
      */
     detach: function (to_detach, options) {
-        _.each(to_detach, function (d) {
+        to_detach.forEach( function (d) {
             if (d.widget.on_detach_callback) {
                 d.widget.on_detach_callback(d.callback_args);
             }
         });
         var $to_detach = options && options.$to_detach;
         if (!$to_detach) {
-            $to_detach = $(_.map(to_detach, function (d) {
+            $to_detach = $(to_detach.map(function (d) {
                 return d.widget.el;
             }));
         }
@@ -229,7 +228,7 @@ var dom = {
      * @param {function|boolean} stopPropagation
      */
     makeAsyncHandler: function (fct, preventDefault, stopPropagation) {
-        // Create a deferred indicating if a previous call to this handler is
+        // Create a promise indicating if a previous call to this handler is
         // still pending.
         var def = $.when();
 
@@ -284,11 +283,13 @@ var dom = {
             // a 'real' debounce creation useless. Also, during the debouncing
             // part, the button is disabled without any visual effect.
             $button.addClass('o_debounce_disabled');
-            $.when(dom.DEBOUNCE && concurrency.delay(dom.DEBOUNCE)).then(function () {
+            Promise.resolve(dom.DEBOUNCE && concurrency.delay(dom.DEBOUNCE)).then(function () {
                 $button.addClass('disabled').prop('disabled', true);
                 $button.removeClass('o_debounce_disabled');
 
-                return $.when(result).always(function () {
+                return Promise.resolve(result).then(function () {
+                    $button.removeClass('disabled').prop('disabled', false);
+                }).guardedCatch(function () {
                     $button.removeClass('disabled').prop('disabled', false);
                 });
             });
diff --git a/addons/web/static/src/js/core/misc.js b/addons/web/static/src/js/core/misc.js
index cd9a73ef22b..39fd8021071 100644
--- a/addons/web/static/src/js/core/misc.js
+++ b/addons/web/static/src/js/core/misc.js
@@ -114,7 +114,7 @@ function redirect (url, wait) {
     };
 
     var wait_server = function() {
-        ajax.rpc("/web/webclient/version_info", {}).done(load).fail(function() {
+        ajax.rpc("/web/webclient/version_info", {}).then(load).guardedCatch(function () {
             setTimeout(wait_server, 250);
         });
     };
@@ -172,7 +172,7 @@ core.action_registry.add("login", login);
 
 function logout() {
     redirect('/web/session/logout');
-    return $.Deferred();
+    return new Promise();
 }
 core.action_registry.add("logout", logout);
 
diff --git a/addons/web/static/src/js/core/mixins.js b/addons/web/static/src/js/core/mixins.js
index e29c97ea086..228ac2d68dd 100644
--- a/addons/web/static/src/js/core/mixins.js
+++ b/addons/web/static/src/js/core/mixins.js
@@ -62,37 +62,36 @@ var ParentedMixin = {
      * Utility method to only execute asynchronous actions if the current
      * object has not been destroyed.
      *
-     * @param {$.Deferred} promise The promise representing the asynchronous
+     * @param {Promise} promise The promise representing the asynchronous
      *                             action.
-     * @param {bool} [reject=false] If true, the returned promise will be
+     * @param {bool} [shouldReject=false] If true, the returned promise will be
      *                              rejected with no arguments if the current
      *                              object is destroyed. If false, the
      *                              returned promise will never be resolved
      *                              or rejected.
-     * @returns {$.Deferred} A promise that will mirror the given promise if
+     * @returns {Promise} A promise that will mirror the given promise if
      *                       everything goes fine but will either be rejected
      *                       with no arguments or never resolved if the
      *                       current object is destroyed.
      */
-    alive: function (promise, reject) {
+    alive: function (promise, shouldReject) {
         var self = this;
-        return $.Deferred(function (def) {
-            promise.then(function () {
+
+        return new Promise(function (resolve, reject) {
+            promise.then(function (result) {
                 if (!self.isDestroyed()) {
-                    def.resolve.apply(def, arguments);
+                    resolve(result);
+                } else if (shouldReject) {
+                    reject();
                 }
-            }, function () {
+            }).guardedCatch(function (reason) {
                 if (!self.isDestroyed()) {
-                    def.reject.apply(def, arguments);
-                }
-            }).always(function () {
-                if (reject) {
-                    // noop if def already resolved or rejected
-                    def.reject();
+                    reject(reason);
+                } else if (shouldReject) {
+                    reject();
                 }
-                // otherwise leave promise in limbo
             });
-        }).promise();
+        });
     },
     /**
      * Inform the object it should destroy itself, releasing any
diff --git a/addons/web/static/src/js/core/mvc.js b/addons/web/static/src/js/core/mvc.js
index cdef88c4211..6e0e4267caa 100644
--- a/addons/web/static/src/js/core/mvc.js
+++ b/addons/web/static/src/js/core/mvc.js
@@ -76,7 +76,7 @@ var Model = Class.extend(mixins.EventDispatcherMixin, ServicesMixin, {
      * @returns {Promise} The promise resolves to some kind of handle
      */
     load: function () {
-        return $.when();
+        return Promise.resolve();
     },
 });
 
@@ -119,9 +119,9 @@ var Controller = Widget.extend({
      * @returns {Promise}
      */
     start: function () {
-        return $.when(
-            this._super.apply(this, arguments),
-            this._startRenderer()
+        return Promise.all(
+            [this._super.apply(this, arguments),
+            this._startRenderer()]
         );
     },
 
@@ -177,7 +177,8 @@ var Factory = Class.extend({
     getController: function (parent) {
         var self = this;
         var model = this.getModel(parent);
-        return $.when(this._loadData(model), ajax.loadLibs(this)).then(function (state) {
+        return Promise.all([this._loadData(model), ajax.loadLibs(this)]).then(function (result) {
+            var state = result[0];
             var renderer = self.getRenderer(parent, state);
             var Controller = self.Controller || self.config.Controller;
             var controllerParams = _.extend({
diff --git a/addons/web/static/src/js/core/rpc.js b/addons/web/static/src/js/core/rpc.js
index cc56cb74ebb..21ec43e3d95 100644
--- a/addons/web/static/src/js/core/rpc.js
+++ b/addons/web/static/src/js/core/rpc.js
@@ -11,7 +11,7 @@ return {
      *
      * @param {Object} params @see buildQuery for a description
      * @param {Object} options
-     * @returns {Deferred<any>}
+     * @returns {Promise<any>}
      */
     query: function (params, options) {
         var query = this.buildQuery(params);
diff --git a/addons/web/static/src/js/core/service_mixins.js b/addons/web/static/src/js/core/service_mixins.js
index e8088d45cb5..4f296b6bb90 100644
--- a/addons/web/static/src/js/core/service_mixins.js
+++ b/addons/web/static/src/js/core/service_mixins.js
@@ -124,7 +124,7 @@ var ServicesMixin = {
         return result;
     },
     /**
-     * Builds and executes RPC query. Returns a deferred's promise resolved with
+     * Builds and executes RPC query. Returns a promise resolved with
      * the RPC result.
      *
      * @param {string} params either a route or a model
@@ -133,11 +133,17 @@ var ServicesMixin = {
      */
     _rpc: function (params, options) {
         var query = rpc.buildQuery(params);
-        var def = this.call('ajax', 'rpc', query.route, query.params, options, this) || $.Deferred();
-        var promise = def.promise();
-        var abort = (def.abort ? def.abort : def.reject) || function () {};
-        promise.abort = abort.bind(def);
-        return promise;
+        var prom = this.call('ajax', 'rpc', query.route, query.params, options, this);
+        if (!prom) {
+            prom = new Promise(function () {});
+            prom.abort = function () {};
+        }
+        var abort = prom.abort ? prom.abort : prom.reject;
+        if (!abort) {
+            throw new Error("a rpc promise should always have a reject function");
+        }
+        prom.abort = abort.bind(prom);
+        return prom;
     },
     loadFieldView: function (modelName, context, view_id, view_type, options) {
         return this.loadViews(modelName, context, [[view_id, view_type]], options).then(function (result) {
@@ -145,41 +151,45 @@ var ServicesMixin = {
         });
     },
     loadViews: function (modelName, context, views, options) {
-        var def = $.Deferred();
-        this.trigger_up('load_views', {
-            modelName: modelName,
-            context: context,
-            views: views,
-            options: options,
-            on_success: def.resolve.bind(def),
+        var self = this;
+        return new Promise(function (resolve) {
+            self.trigger_up('load_views', {
+                modelName: modelName,
+                context: context,
+                views: views,
+                options: options,
+                on_success: resolve,
+            });
         });
-        return def;
     },
     loadFilters: function (modelName, actionId, context) {
-        var def = $.Deferred();
-        this.trigger_up('load_filters', {
-            modelName: modelName,
-            actionId: actionId,
-            context: context,
-            on_success: def.resolve.bind(def),
+        var self = this;
+        return new Promise(function (resolve, reject) {
+            self.trigger_up('load_filters', {
+                modelName: modelName,
+                actionId: actionId,
+                context: context,
+                on_success: resolve,
+            });
         });
-        return def;
     },
     createFilter: function (filter) {
-        var def = $.Deferred();
-        this.trigger_up('create_filter', {
-            filter: filter,
-            on_success: def.resolve.bind(def),
+        var self = this;
+        return new Promise(function (resolve, reject) {
+            self.trigger_up('create_filter', {
+                filter: filter,
+                on_success: resolve,
+            });
         });
-        return def;
     },
     deleteFilter: function (filterId) {
-        var def = $.Deferred();
-        this.trigger_up('delete_filter', {
-            filterId: filterId,
-            on_success: def.resolve.bind(def),
+        var self = this;
+        return new Promise(function (resolve, reject) {
+            self.trigger_up('delete_filter', {
+                filterId: filterId,
+                on_success: resolve,
+            });
         });
-        return def;
     },
     // Session stuff
     getSession: function () {
@@ -195,22 +205,22 @@ var ServicesMixin = {
      * Informs the action manager to do an action. This supposes that the action
      * manager can be found amongst the ancestors of the current widget.
      * If that's not the case this method will simply return an unresolved
-     * deferred.
+     * promise.
      *
      * @param {any} action
      * @param {any} options
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     do_action: function (action, options) {
-        var def = $.Deferred();
-
-        this.trigger_up('do_action', {
-            action: action,
-            options: options,
-            on_success: function (result) { def.resolve(result); },
-            on_fail: function (result) { def.reject(result); },
+        var self = this;
+        return new Promise(function (resolve, reject) {
+            self.trigger_up('do_action', {
+                action: action,
+                options: options,
+                on_success: resolve,
+                on_fail: reject,
+            });
         });
-        return def;
     },
     do_notify: function (title, message, sticky, className) {
         return this.call('notification', 'notify', {title: title, message: message, sticky: sticky, className: className});
diff --git a/addons/web/static/src/js/core/session.js b/addons/web/static/src/js/core/session.js
index 14886591d7b..2874a2ea559 100644
--- a/addons/web/static/src/js/core/session.js
+++ b/addons/web/static/src/js/core/session.js
@@ -84,27 +84,27 @@ var Session = core.Class.extend(mixins.EventDispatcherMixin, {
      */
     session_init: function () {
         var self = this;
-        var def = this.session_reload();
+        var prom = this.session_reload();
 
         if (this.is_frontend) {
-            return def.then(function () {
+            return prom.then(function () {
                 return self.load_translations();
             });
         }
 
-        return def.then(function () {
+        return prom.then(function () {
             var modules = self.module_list.join(',');
-            var deferred = self.load_qweb(modules);
+            var promise = self.load_qweb(modules);
             if (self.session_is_valid()) {
-                return deferred.then(function () { return self.load_modules(); });
+                return promise.then(function () { return self.load_modules(); });
             }
-            return $.when(
-                    deferred,
+            return Promise.all([
+                    promise,
                     self.rpc('/web/webclient/bootstrap_translations', {mods: self.module_list})
                         .then(function (trans) {
                             _t.database.set_bundle(trans);
                         })
-            );
+                    ]);
         });
     },
     session_is_valid: function () {
@@ -119,7 +119,7 @@ var Session = core.Class.extend(mixins.EventDispatcherMixin, {
      */
     session_authenticate: function () {
         var self = this;
-        return $.when(this._session_authenticate.apply(this, arguments)).then(function () {
+        return Promise.resolve(this._session_authenticate.apply(this, arguments)).then(function () {
             return self.load_modules();
         });
     },
@@ -131,7 +131,7 @@ var Session = core.Class.extend(mixins.EventDispatcherMixin, {
         var params = {db: db, login: login, password: password};
         return this.rpc("/web/session/authenticate", params).then(function (result) {
             if (!result.uid) {
-                return $.Deferred().reject();
+                return Promise.reject();
             }
             _.extend(self, result);
         });
@@ -142,7 +142,7 @@ var Session = core.Class.extend(mixins.EventDispatcherMixin, {
     },
     user_has_group: function (group) {
         if (!this.uid) {
-            return $.when(false);
+            return Promise.resolve(false);
         }
         var def = this._groups_def[group];
         if (!def) {
@@ -196,22 +196,24 @@ var Session = core.Class.extend(mixins.EventDispatcherMixin, {
         var to_load = _.difference(modules, self.module_list).join(',');
         this.module_list = all_modules;
 
-        var loaded = $.when(self.load_translations());
+        var loaded = Promise.resolve(self.load_translations());
         var locale = "/web/webclient/locale/" + self.user_context.lang || 'en_US';
         var file_list = [ locale ];
         if(to_load.length) {
-            loaded = $.when(
+            loaded = Promise.all([
                 loaded,
-                self.rpc('/web/webclient/csslist', {mods: to_load}).done(self.load_css.bind(self)),
+                self.rpc('/web/webclient/csslist', {mods: to_load})
+                    .then(self.load_css.bind(self)),
                 self.load_qweb(to_load),
-                self.rpc('/web/webclient/jslist', {mods: to_load}).done(function (files) {
-                    file_list = file_list.concat(files);
-                })
-            );
+                self.rpc('/web/webclient/jslist', {mods: to_load})
+                    .then(function (files) {
+                        file_list = file_list.concat(files);
+                    })
+            ]);
         }
         return loaded.then(function () {
             return self.load_js(file_list);
-        }).done(function () {
+        }).then(function () {
             self.on_modules_loaded();
             self.trigger('module_loaded');
        });
@@ -227,24 +229,24 @@ var Session = core.Class.extend(mixins.EventDispatcherMixin, {
     },
     load_js: function (files) {
         var self = this;
-        var d = $.Deferred();
-        if (files.length !== 0) {
-            var file = files.shift();
-            var url = self.url(file, null);
-            ajax.loadJS(url).done(d.resolve);
-        } else {
-            d.resolve();
-        }
-        return d;
+        return new Promise(function (resolve, reject) {
+            if (files.length !== 0) {
+                var file = files.shift();
+                var url = self.url(file, null);
+                ajax.loadJS(url).then(resolve);
+            } else {
+                resolve();
+            }
+        });
     },
     load_qweb: function (mods) {
-        this.qweb_mutex.exec(function () {
+        var lock = this.qweb_mutex.exec(function () {
             return $.get('/web/webclient/qweb?mods=' + mods).then(function (doc) {
                 if (!doc) { return; }
                 qweb.add_template(doc);
             });
         });
-        return this.qweb_mutex.def;
+        return lock;
     },
     on_modules_loaded: function () {
         var openerp = window.openerp;
@@ -276,12 +278,12 @@ var Session = core.Class.extend(mixins.EventDispatcherMixin, {
      * (re)loads the content of a session: db name, username, user id, session
      * context and status of the support contract
      *
-     * @returns {$.Deferred} deferred indicating the session is done reloading
+     * @returns {Promise} promise indicating the session is done reloading
      */
     session_reload: function () {
         var result = _.extend({}, window.odoo.session_info);
         _.extend(this, result);
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * Executes an RPC call, registering the provided callbacks.
@@ -293,7 +295,7 @@ var Session = core.Class.extend(mixins.EventDispatcherMixin, {
      * @param {String} url RPC endpoint
      * @param {Object} params call parameters
      * @param {Object} options additional options for rpc call
-     * @returns {jQuery.Deferred} jquery-provided ajax deferred
+     * @returns {Promise}
      */
     rpc: function (url, params, options) {
         var self = this;
diff --git a/addons/web/static/src/js/core/translation.js b/addons/web/static/src/js/core/translation.js
index 76493fdb432..83c556c3c37 100644
--- a/addons/web/static/src/js/core/translation.js
+++ b/addons/web/static/src/js/core/translation.js
@@ -58,14 +58,14 @@ var TranslationDataBase = Class.extend(/** @lends instance.TranslationDataBase#
         @param {Object} [lang] lang The language. If not specified it will default to the language
         of the current user.
         @param {string} [url='/web/webclient/translations']
-        @returns {jQuery.Deferred}
+        @returns {Promise}
     */
     load_translations: function(session, modules, lang, url) {
         var self = this;
         return session.rpc(url || '/web/webclient/translations', {
             "mods": modules || null,
             "lang": lang || null
-        }).done(function(trans) {
+        }).then(function (trans) {
             self.set_bundle(trans);
         });
     }
diff --git a/addons/web/static/src/js/core/widget.js b/addons/web/static/src/js/core/widget.js
index d3b9cc1033c..0de8c6aa1cd 100644
--- a/addons/web/static/src/js/core/widget.js
+++ b/addons/web/static/src/js/core/widget.js
@@ -31,7 +31,7 @@ var ServicesMixin = require('web.ServicesMixin');
  *         },
  *         willStart: function () {
  *             // async work that need to be done before the widget is ready
- *             // this method should return a deferred
+ *             // this method should return a promise
  *         },
  *         start: function() {
  *             // stuff you want to make after the rendering, `this.$el` holds a correct value
@@ -135,45 +135,47 @@ var Widget = core.Class.extend(mixins.PropertiesMixin, ServicesMixin, {
      * Method called between @see init and @see start. Performs asynchronous
      * calls required by the rendering and the start method.
      *
-     * This method should return a Deferred which is resolved when start can be
+     * This method should return a Promose which is resolved when start can be
      * executed.
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     willStart: function () {
-        var defs = [];
+        var proms = [];
         if (this.xmlDependencies) {
-            defs.push.apply(defs, _.map(this.xmlDependencies, function (xmlPath) {
+            proms.push.apply(proms, _.map(this.xmlDependencies, function (xmlPath) {
                 return ajax.loadXML(xmlPath, core.qweb);
             }));
         }
         if (this.jsLibs || this.cssLibs || this.assetLibs) {
-            defs.push(ajax.loadLibs(this));
+            proms.push(ajax.loadLibs(this));
         }
-        return $.when.apply($, defs);
+        return Promise.all(proms);
     },
     /**
      * Method called after rendering. Mostly used to bind actions, perform
      * asynchronous calls, etc...
      *
      * By convention, this method should return an object that can be passed to
-     * $.when() to inform the caller when this widget has been initialized.
+     * Promise.resolve() to inform the caller when this widget has been initialized.
      *
      * Note that, for historic reasons, many widgets still do work in the start
      * method that would be more suited to the willStart method.
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * Destroys the current widget, also destroys all its children before
      * destroying itself.
      */
     destroy: function () {
-        _.invoke(this.getChildren(), 'destroy');
-        if(this.$el) {
+        this.getChildren().forEach(function (child) {
+            child.destroy();
+        });
+        if (this.$el) {
             this.$el.remove();
         }
         mixins.PropertiesMixin.destroy.call(this);
@@ -187,6 +189,7 @@ var Widget = core.Class.extend(mixins.PropertiesMixin, ServicesMixin, {
      * Renders the current widget and appends it to the given jQuery object.
      *
      * @param {jQuery} target
+     * @returns {Promise}
      */
     appendTo: function (target) {
         var self = this;
@@ -198,6 +201,7 @@ var Widget = core.Class.extend(mixins.PropertiesMixin, ServicesMixin, {
      * Attach the current widget to a dom element
      *
      * @param {jQuery} target
+     * @returns {Promise}
      */
     attachTo: function (target) {
         var self = this;
@@ -234,6 +238,7 @@ var Widget = core.Class.extend(mixins.PropertiesMixin, ServicesMixin, {
      * object.
      *
      * @param {jQuery} target
+     * @returns {Promise}
      */
     insertAfter: function (target) {
         var self = this;
@@ -246,6 +251,7 @@ var Widget = core.Class.extend(mixins.PropertiesMixin, ServicesMixin, {
      * object.
      *
      * @param {jQuery} target
+     * @returns {Promise}
      */
     insertBefore: function (target) {
         var self = this;
@@ -257,6 +263,7 @@ var Widget = core.Class.extend(mixins.PropertiesMixin, ServicesMixin, {
      * Renders the current widget and prepends it to the given jQuery object.
      *
      * @param {jQuery} target
+     * @returns {Promise}
      */
     prependTo: function (target) {
         var self = this;
@@ -282,6 +289,7 @@ var Widget = core.Class.extend(mixins.PropertiesMixin, ServicesMixin, {
      * Renders the current widget and replaces the given jQuery object.
      *
      * @param target A jQuery object or a Widget instance.
+     * @returns {Promise}
      */
     replace: function (target) {
         return this._widgetRenderAndInsert(_.bind(function (t) {
@@ -415,7 +423,7 @@ var Widget = core.Class.extend(mixins.PropertiesMixin, ServicesMixin, {
      * @private
      * @param {function: jQuery -> any} insertion
      * @param {jQuery} target
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _widgetRenderAndInsert: function (insertion, target) {
         var self = this;
diff --git a/addons/web/static/src/js/fields/abstract_field.js b/addons/web/static/src/js/fields/abstract_field.js
index edc7c03ac02..822c90c31f4 100644
--- a/addons/web/static/src/js/fields/abstract_field.js
+++ b/addons/web/static/src/js/fields/abstract_field.js
@@ -184,7 +184,7 @@ var AbstractField = Widget.extend({
      * When a field widget is appended to the DOM, its start method is called,
      * and will automatically call render. Most widgets should not override this.
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         var self = this;
@@ -236,7 +236,7 @@ var AbstractField = Widget.extend({
      * if the value changed but was not notified.
      *
      * @abstract
-     * @returns {Deferred|undefined}
+     * @returns {Promise|undefined}
      */
     commitChanges: function () {},
     /**
@@ -290,12 +290,12 @@ var AbstractField = Widget.extend({
      *   is optional, and may be used by a widget to share information from the
      *   moment a field change event is triggered to the moment a reset
      *   operation is applied.
-     * @returns {Deferred} A Deferred, which resolves when the widget rendering
+     * @returns {Promise} A promise, which resolves when the widget rendering
      *   is complete
      */
     reset: function (record, event) {
         this._reset(record, event);
-        return this._render() || $.when();
+        return this._render() || Promise.resolve();
     },
     /**
      * Remove the invalid class on a field
@@ -396,7 +396,7 @@ var AbstractField = Widget.extend({
      * synchronous.
      *
      * @private
-     * @returns {Deferred|undefined}
+     * @returns {Promise|undefined}
      */
     _render: function () {
         if (this.attrs.decorations) {
@@ -413,7 +413,7 @@ var AbstractField = Widget.extend({
      * concrete widget.
      *
      * @private
-     * @returns {Deferred|undefined}
+     * @returns {Promise|undefined}
      */
     _renderEdit: function () {
     },
@@ -422,7 +422,7 @@ var AbstractField = Widget.extend({
      * the concrete widget.
      *
      * @private
-     * @returns {Deferred|undefined}
+     * @returns {Promise|undefined}
      */
     _renderReadonly: function () {
     },
@@ -457,13 +457,13 @@ var AbstractField = Widget.extend({
      *   will not notify and not trigger the onchange, even though it was changed.
      * @param {boolean} [options.forceChange=false] if true, the change event will be
      *   triggered even if the new value is the same as the old one
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _setValue: function (value, options) {
         // we try to avoid doing useless work, if the value given has not
         // changed.  Note that we compare the unparsed values.
         if (this.lastSetValue === value || (this.value === false && value === '')) {
-            return $.when();
+            return Promise.resolve();
         }
         this.lastSetValue = value;
         try {
@@ -472,25 +472,26 @@ var AbstractField = Widget.extend({
         } catch (e) {
             this._isValid = false;
             this.trigger_up('set_dirty', {dataPointID: this.dataPointID});
-            return $.Deferred().reject();
+            return Promise.reject({message: "Value set is not valid"});
         }
         if (!(options && options.forceChange) && this._isSameValue(value)) {
-            return $.when();
+            return Promise.resolve();
         }
-        var def = $.Deferred();
-        var changes = {};
-        changes[this.name] = value;
-        this.trigger_up('field_changed', {
-            dataPointID: this.dataPointID,
-            changes: changes,
-            viewType: this.viewType,
-            doNotSetDirty: options && options.doNotSetDirty,
-            notifyChange: !options || options.notifyChange !== false,
-            allowWarning: options && options.allowWarning,
-            onSuccess: def.resolve.bind(def),
-            onFailure: def.reject.bind(def),
+        var self = this;
+        return new Promise(function (resolve, reject) {
+            var changes = {};
+            changes[self.name] = value;
+            self.trigger_up('field_changed', {
+                dataPointID: self.dataPointID,
+                changes: changes,
+                viewType: self.viewType,
+                doNotSetDirty: options && options.doNotSetDirty,
+                notifyChange: !options || options.notifyChange !== false,
+                allowWarning: options && options.allowWarning,
+                onSuccess: resolve,
+                onFailure: reject,
+            });
         });
-        return def;
     },
 
     //--------------------------------------------------------------------------
diff --git a/addons/web/static/src/js/fields/basic_fields.js b/addons/web/static/src/js/fields/basic_fields.js
index c6df3885a86..a87ff3e4436 100644
--- a/addons/web/static/src/js/fields/basic_fields.js
+++ b/addons/web/static/src/js/fields/basic_fields.js
@@ -213,7 +213,7 @@ var InputField = DebouncedField.extend({
                 // sure they are recomputed.
                 this._applyDecorations();
             }
-            return $.when();
+            return Promise.resolve();
         } else {
             return this._render();
         }
@@ -486,8 +486,6 @@ var LinkButton = AbstractField.extend({
 
 });
 
-
-
 var FieldDate = InputField.extend({
     className: "o_field_date",
     tagName: "span",
@@ -513,7 +511,7 @@ var FieldDate = InputField.extend({
      */
     start: function () {
         var self = this;
-        var def;
+        var prom;
         if (this.mode === 'edit') {
             this.datewidget = this._makeDatePicker();
             this.datewidget.on('datetime_changed', this, function () {
@@ -522,13 +520,13 @@ var FieldDate = InputField.extend({
                     this._setValue(value);
                 }
             });
-            def = this.datewidget.appendTo('<div>').done(function () {
+            prom = this.datewidget.appendTo('<div>').then(function () {
                 self.datewidget.$el.addClass(self.$el.attr('class'));
                 self._prepareInput(self.datewidget.$input);
                 self._replaceElement(self.datewidget.$el);
             });
         }
-        return $.when(def, this._super.apply(this, arguments));
+        return Promise.resolve(prom).then(this._super.bind(this));
     },
 
     //--------------------------------------------------------------------------
@@ -728,7 +726,7 @@ var FieldMonetary = InputField.extend({
         this.$el.empty();
 
         // Prepare and add the input
-        this._prepareInput(this.$input).appendTo(this.$el);
+        var def = this._prepareInput(this.$input).appendTo(this.$el);
 
         if (this.currency) {
             // Prepare and add the currency symbol
@@ -739,6 +737,7 @@ var FieldMonetary = InputField.extend({
                 this.$el.prepend($currencySymbol);
             }
         }
+        return def;
     },
     /**
      * @override
@@ -1136,7 +1135,7 @@ var FieldText = InputField.extend(TranslatableFieldMixin, {
      */
     reset: function () {
         var self = this;
-        return $.when(this._super.apply(this, arguments)).then(function () {
+        return Promise.resolve(this._super.apply(this, arguments)).then(function () {
             if (self.mode === 'edit') {
                 self.$input.trigger('change');
             }
@@ -2568,7 +2567,7 @@ var JournalDashboardGraph = AbstractField.extend({
         if (this._isInDOM) {
             return this._renderInDOM();
         }
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * Render the widget. This function assumes that it is attached to the DOM.
@@ -2743,13 +2742,13 @@ var FieldDomain = AbstractField.extend({
     /**
      * @private
      * @override _render from AbstractField
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _render: function () {
         // If there is no model, only change the non-domain-selector content
         if (!this._domainModel) {
             this._replaceContent();
-            return $.when();
+            return Promise.resolve();
         }
 
         // Convert char value to array value
@@ -2901,7 +2900,7 @@ var AceEditor = DebouncedField.extend({
     /**
      * @override start from AbstractField (Widget)
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         this._startAce(this.$('.ace-view-editor')[0]);
diff --git a/addons/web/static/src/js/fields/field_registry.js b/addons/web/static/src/js/fields/field_registry.js
index 35d10c5a5e4..0e0ba3dc117 100644
--- a/addons/web/static/src/js/fields/field_registry.js
+++ b/addons/web/static/src/js/fields/field_registry.js
@@ -6,7 +6,7 @@ var Registry = require('web.Registry');
 return new Registry();
 });
 
-odoo.define('web._field_registry', function(require) {
+odoo.define('web._field_registry', function (require) {
 "use strict";
 
 var AbstractField = require('web.AbstractField');
diff --git a/addons/web/static/src/js/fields/relational_fields.js b/addons/web/static/src/js/fields/relational_fields.js
index bd46faf1e08..469cedb8ff1 100644
--- a/addons/web/static/src/js/fields/relational_fields.js
+++ b/addons/web/static/src/js/fields/relational_fields.js
@@ -171,11 +171,11 @@ var FieldMany2One = AbstractField.extend({
      * is saved.
      *
      * @override
-     * @returns {Deferred} resolved as soon as there is no longer record being
+     * @returns {Promise} resolved as soon as there is no longer record being
      *   (quick) created
      */
     commitChanges: function () {
-        return $.when(this.createDef);
+        return Promise.resolve(this.createDef);
     },
     /**
      * @override
@@ -208,7 +208,7 @@ var FieldMany2One = AbstractField.extend({
             this.isDirty = false;
         }
         if (this.isDirty) {
-            return $.when();
+            return Promise.resolve();
         } else {
             return this._render();
         }
@@ -257,9 +257,9 @@ var FieldMany2One = AbstractField.extend({
                     if (!source.validation || source.validation.call(self, req.term)) {
                         source.loading = true;
 
-                        // Wrap the returned value of the source.method with $.when.
+                        // Wrap the returned value of the source.method with a promise
                         // So event if the returned value is not async, it will work
-                        $.when(source.method.call(self, req.term)).then(function (results) {
+                        Promise.resolve(source.method.call(self, req.term)).then(function (results) {
                             source.results = results;
                             source.loading = false;
                             resp(self._concatenateAutocompleteResults());
@@ -366,49 +366,55 @@ var FieldMany2One = AbstractField.extend({
     /**
      * @private
      * @param {string} name
-     * @returns {Deferred} resolved after the name_create or when the slowcreate
+     * @returns {Promise} resolved after the name_create or when the slowcreate
      *                     modal is closed.
      */
     _quickCreate: function (name) {
         var self = this;
-        var def = $.Deferred();
-        this.createDef = this.createDef || $.Deferred();
-        // called when the record has been quick created, or when the dialog has
-        // been closed (in the case of a 'slow' create), meaning that the job is
-        // done
-        var createDone = function () {
-            def.resolve();
-            self.createDef.resolve();
-            self.createDef = undefined;
-        };
-        // called if the quick create is disabled on this many2one, or if the
-        // quick creation failed (probably because there are mandatory fields on
-        // the model)
-        var slowCreate = function () {
-            var dialog = self._searchCreatePopup("form", false, self._createContext(name));
-            dialog.on('closed', self, createDone);
-        };
-        if (this.nodeOptions.quick_create) {
-            var nameCreateDef = this._rpc({
-                model: this.field.relation,
-                method: 'name_create',
-                args: [name],
-                context: this.record.getContext(this.recordParams),
-            }).fail(function (error, ev) {
-                ev.preventDefault();
-                slowCreate();
+        var createDone;
+
+        var def = new Promise(function (resolve, reject) {
+            self.createDef = new Promise(function (innerResolve) {
+                // called when the record has been quick created, or when the dialog has
+                // been closed (in the case of a 'slow' create), meaning that the job is
+                // done
+                createDone = function () {
+                    innerResolve();
+                    resolve();
+                    self.createDef = undefined;
+                };
             });
-            this.dp.add(nameCreateDef)
-                .then(function (result) {
-                    if (self.mode === "edit") {
-                        self.reinitialize({id: result[0], display_name: result[1]});
-                    }
-                    createDone();
-                })
-                .fail(def.reject.bind(def));
-        } else {
-            slowCreate();
-        }
+
+            // called if the quick create is disabled on this many2one, or if the
+            // quick creation failed (probably because there are mandatory fields on
+            // the model)
+            var slowCreate = function () {
+                var dialog = self._searchCreatePopup("form", false, self._createContext(name));
+                dialog.on('closed', self, createDone);
+            };
+            if (self.nodeOptions.quick_create) {
+                var nameCreateDef = self._rpc({
+                    model: self.field.relation,
+                    method: 'name_create',
+                    args: [name],
+                    context: self.record.getContext(self.recordParams),
+                }).guardedCatch(function (reason) {
+                    reason.event.preventDefault();
+                    slowCreate();
+                });
+                self.dp.add(nameCreateDef)
+                    .then(function (result) {
+                        if (self.mode === "edit") {
+                            self.reinitialize({id: result[0], display_name: result[1]});
+                        }
+                        createDone();
+                    })
+                    .guardedCatch(reject);
+            } else {
+                slowCreate();
+            }
+        });
+
         return def;
     },
     /**
@@ -456,35 +462,32 @@ var FieldMany2One = AbstractField.extend({
      *
      * @private
      * @param {string} search_val
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _search: function (search_val) {
         var self = this;
-        var def = $.Deferred();
-        this.orderer.add(def);
-
-        var context = this.record.getContext(this.recordParams);
-        var domain = this.record.getDomain(this.recordParams);
+        var def = new Promise(function (resolve, reject) {
+            var context = self.record.getContext(self.recordParams);
+            var domain = self.record.getDomain(self.recordParams);
 
-        // Add the additionalContext
-        _.extend(context, this.additionalContext);
+            // Add the additionalContext
+            _.extend(context, self.additionalContext);
 
-        var blacklisted_ids = this._getSearchBlacklist();
-        if (blacklisted_ids.length > 0) {
-            domain.push(['id', 'not in', blacklisted_ids]);
-        }
+            var blacklisted_ids = self._getSearchBlacklist();
+            if (blacklisted_ids.length > 0) {
+                domain.push(['id', 'not in', blacklisted_ids]);
+            }
 
-        this._rpc({
-            model: this.field.relation,
-            method: "name_search",
-            kwargs: {
-                name: search_val,
-                args: domain,
-                operator: "ilike",
-                limit: this.limit + 1,
-                context: context,
-            }})
-            .then(function (result) {
+            self._rpc({
+                model: self.field.relation,
+                method: "name_search",
+                kwargs: {
+                    name: search_val,
+                    args: domain,
+                    operator: "ilike",
+                    limit: self.limit + 1,
+                    context: context,
+                }}).then(function (result) {
                 // possible selections for the m2o
                 var values = _.map(result, function (x) {
                     x[1] = self._getDisplayName(x[1]);
@@ -516,7 +519,7 @@ var FieldMany2One = AbstractField.extend({
                                     },
                                 });
                             }
-                            $.when(prom).then(function (results) {
+                            Promise.resolve(prom).then(function (results) {
                                 var dynamicFilters;
                                 if (results) {
                                     var ids = _.map(results, function (x) {
@@ -563,9 +566,10 @@ var FieldMany2One = AbstractField.extend({
                     });
                 }
 
-                def.resolve(values);
+                resolve(values);
             });
-
+        });
+        this.orderer.add(def);
         return def;
     },
     /**
@@ -670,8 +674,9 @@ var FieldMany2One = AbstractField.extend({
                     readonly: !self.can_write,
                     on_saved: function (record, changed) {
                         if (changed) {
-                            self._setValue(self.value.data, {forceChange: true});
-                            self.trigger_up('reload', {db_id: self.value.id});
+                            self._setValue(self.value.data, {forceChange: true}).then(function() {
+                                self.trigger_up('reload', {db_id: self.value.id});
+                            });
                         }
                     },
                 }).open();
@@ -868,14 +873,14 @@ var FieldX2Many = AbstractField.extend({
      * user if he wants to discard it if necessary.
      *
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     commitChanges: function () {
         var self = this;
         var inEditionRecordID =
-            this.renderer
-            && this.renderer.viewType === "list"
-            && this.renderer.getEditableRecordID();
+            this.renderer &&
+            this.renderer.viewType === "list" &&
+            this.renderer.getEditableRecordID();
         if (inEditionRecordID) {
             return this.renderer.commitChanges(inEditionRecordID).then(function () {
                 return self._saveLine(inEditionRecordID);
@@ -894,7 +899,7 @@ var FieldX2Many = AbstractField.extend({
      * @param {Object} record
      * @param {OdooEvent} [ev] an event that triggered the reset action
      * @param {Boolean} [fieldChanged] if true, the widget field has changed
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     reset: function (record, ev, fieldChanged) {
         // If 'fieldChanged' is false, it means that the reset was triggered by
@@ -904,7 +909,7 @@ var FieldX2Many = AbstractField.extend({
         if (!fieldChanged) {
            var newEval = this._evalColumnInvisibleFields();
            if (_.isEqual(this.currentColInvisibleFields, newEval)) {
-               return $.when();
+               return Promise.resolve();
            }
         } else if (ev && ev.target === this && ev.data.changes && this.view.arch.tag === 'tree') {
             var command = ev.data.changes[this.name];
@@ -994,17 +999,20 @@ var FieldX2Many = AbstractField.extend({
      *
      * @override
      * @private
-     * @returns {Deferred|undefined}
+     * @returns {Promise|undefined}
      */
     _render: function () {
+        var self = this;
         if (!this.view) {
             return this._super();
         }
         if (this.renderer) {
             this.currentColInvisibleFields = this._evalColumnInvisibleFields();
-            this.renderer.updateState(this.value, {'columnInvisibleFields': this.currentColInvisibleFields});
-            this.pager.updateState({ size: this.value.count });
-            return $.when();
+            return this.renderer.updateState(this.value, {
+                columnInvisibleFields: this.currentColInvisibleFields,
+            }).then(function () {
+                self.pager.updateState({ size: self.value.count });
+            });
         }
         var arch = this.view.arch;
         var viewType;
@@ -1050,11 +1058,11 @@ var FieldX2Many = AbstractField.extend({
      * Prepends the control panel's $el to this widget's $el.
      *
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _renderControlPanel: function () {
         if (!this.view) {
-            return $.when();
+            return Promise.resolve();
         }
         var self = this;
         var defs = [];
@@ -1072,7 +1080,7 @@ var FieldX2Many = AbstractField.extend({
             validate: function () {
                 var isList = self.view.arch.tag === 'tree';
                 // TODO: we should have some common method in the basic renderer...
-                return isList ? self.renderer.unselectRow() : $.when();
+                return isList ? self.renderer.unselectRow() : Promise.resolve();
             },
         });
         this.pager.on('pager_changed', this, function (new_state) {
@@ -1089,7 +1097,7 @@ var FieldX2Many = AbstractField.extend({
         this._renderButtons();
         defs.push(this.pager.appendTo($('<div>'))); // start the pager
         defs.push(cpDef);
-        return $.when.apply($, defs).then(function () {
+        return Promise.all(defs).then(function () {
             self._controlPanel.updateContents({
                 cp_content: {
                     $buttons: self.$buttons,
@@ -1123,24 +1131,24 @@ var FieldX2Many = AbstractField.extend({
      *
      * @private
      * @param {string} recordID
-     * @returns {Deferred} resolved if the line was properly saved or discarded.
+     * @returns {Promise} resolved if the line was properly saved or discarded.
      *                     rejected if the line could not be saved and the user
      *                     did not agree to discard.
      */
     _saveLine: function (recordID) {
         var self = this;
-        var def = $.Deferred();
-        var fieldNames = this.renderer.canBeSaved(recordID);
-        if (fieldNames.length) {
-            this.trigger_up('discard_changes', {
-                recordID: recordID,
-                onSuccess: def.resolve.bind(def),
-                onFailure: def.reject.bind(def),
-            });
-        } else {
-            this.renderer.setRowMode(recordID, 'readonly').done(def.resolve.bind(def));
-        }
-        return def.then(function () {
+        return new Promise(function (resolve, reject) {
+            var fieldNames = self.renderer.canBeSaved(recordID);
+            if (fieldNames.length) {
+                self.trigger_up('discard_changes', {
+                    recordID: recordID,
+                    onSuccess: resolve,
+                    onFailure: reject,
+                });
+            } else {
+                self.renderer.setRowMode(recordID, 'readonly').then(resolve);
+            }
+        }).then(function () {
             self.pager.updateState({ size: self.value.count });
             var newEval = self._evalColumnInvisibleFields();
             if (!_.isEqual(self.currentColInvisibleFields, newEval)) {
@@ -1233,7 +1241,7 @@ var FieldX2Many = AbstractField.extend({
         this.trigger_up('edited_list', { id: this.value.id });
         var editedRecord = this.value.data[ev.data.index];
         this.renderer.setRowMode(editedRecord.id, 'edit')
-            .done(ev.data.onSuccess);
+            .then(ev.data.onSuccess);
     },
     /**
      * Updates the given record with the changes.
@@ -1260,11 +1268,11 @@ var FieldX2Many = AbstractField.extend({
                 operation: 'UPDATE',
                 id: ev.data.dataPointID,
                 data: changes,
-            }).done(function () {
+            }).then(function () {
                 if (ev.data.onSuccess) {
                     ev.data.onSuccess();
                 }
-            }).fail(function () {
+            }).guardedCatch(function () {
                 if (ev.data.onFailure) {
                     ev.data.onFailure();
                 }
@@ -1332,8 +1340,8 @@ var FieldX2Many = AbstractField.extend({
             self.trigger_up('mutexify', {
                 action: function () {
                     return self._saveLine(ev.data.recordID)
-                        .done(ev.data.onSuccess)
-                        .fail(ev.data.onFailure);
+                        .then(ev.data.onSuccess)
+                        .guardedCatch(ev.data.onFailure);
                 },
             });
         });
@@ -1361,18 +1369,20 @@ var FieldX2Many = AbstractField.extend({
                 notifyChange: false,
             });
         });
-        $.when.apply($, defs).then(function () {
+        Promise.all(defs).then(function () {
+            function always() {
+                self.trigger_up('toggle_column_order', {
+                    id: self.value.id,
+                    name: event.data.handleField,
+                });
+            }
+
             // trigger only once the onchange for parent record
             self._setValue({
                 operation: 'UPDATE',
                 id: rowID,
                 data: _.object([event.data.handleField], [event.data.offset + rowIDs.length]),
-            }).always(function () {
-                self.trigger_up('toggle_column_order', {
-                    id: self.value.id,
-                    name: event.data.handleField,
-                });
-            });
+            }).then(always).guardedCatch(always);
         });
     },
     /**
@@ -1418,7 +1428,7 @@ var FieldOne2Many = FieldX2Many.extend({
      * @override
      * @param {Object} record
      * @param {OdooEvent} [ev] an event that triggered the reset action
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     reset: function (record, ev) {
         var self = this;
@@ -1527,13 +1537,16 @@ var FieldOne2Many = FieldX2Many.extend({
                     context: data.context,
                 }, {
                     allowWarning: data.allowWarning
-                }).always(function () {
+                }).then(function () {
                     self.creatingRecord = false;
-                }).done(function (){
+                }).then(function (){
                     if (data.onSuccess){
                         data.onSuccess();
                     }
-                });
+                }).guardedCatch(function() {
+                    self.creatingRecord = false;
+                })
+                ;
             }
         } else {
             this._openFormDialog({
@@ -1646,8 +1659,10 @@ var FieldMany2Many = FieldX2Many.extend({
             domain: this.record.getDomain(this.recordParams),
             fields_view: this.attrs.views && this.attrs.views.form,
             on_saved: function () {
-                self._setValue({operation: 'TRIGGER_ONCHANGE'}, {forceChange: true});
-                self.trigger_up('reload', {db_id: ev.data.id});
+                self._setValue({operation: 'TRIGGER_ONCHANGE'}, {forceChange: true})
+                    .then(function () {
+                        self.trigger_up('reload', {db_id: ev.data.id});
+                    });
             },
             on_remove: function () {
                 self._setValue({operation: 'FORGET', ids: [ev.data.id]});
@@ -1918,10 +1933,12 @@ var FieldMany2ManyTags = AbstractField.extend({
      * @override
      */
     reset: function (record, event) {
-        this._super.apply(this, arguments);
-        if (event && event.target === this) {
-            this.activate();
-        }
+        var self = this;
+        return this._super.apply(this, arguments).then(function(){
+            if (event && event.target === self) {
+                self.activate();
+            }
+        });
     },
 
     //--------------------------------------------------------------------------
diff --git a/addons/web/static/src/js/fields/upgrade_fields.js b/addons/web/static/src/js/fields/upgrade_fields.js
index dd91ca2efc2..8dd1f9d3ae8 100644
--- a/addons/web/static/src/js/fields/upgrade_fields.js
+++ b/addons/web/static/src/js/fields/upgrade_fields.js
@@ -34,7 +34,7 @@ var AbstractFieldUpgrade = {
      * Redirects the user to the odoo-enterprise/uprade page
      *
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _confirmUpgrade: function () {
         return this._rpc({
diff --git a/addons/web/static/src/js/public/public_root.js b/addons/web/static/src/js/public/public_root.js
index 7c508bd9192..97448408282 100644
--- a/addons/web/static/src/js/public/public_root.js
+++ b/addons/web/static/src/js/public/public_root.js
@@ -49,11 +49,11 @@ var PublicRoot = publicWidget.RootWidget.extend(ServiceProviderMixin, {
      */
     willStart: function () {
         // TODO would be even greater to wait for localeDef only when necessary
-        return $.when(
+        return Promise.all([
             this._super.apply(this, arguments),
             session.is_bound,
             localeDef
-        );
+        ]);
     },
     /**
      * @override
@@ -82,7 +82,7 @@ var PublicRoot = publicWidget.RootWidget.extend(ServiceProviderMixin, {
             $('input, textarea').placeholder();
         }
 
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
 
     //--------------------------------------------------------------------------
@@ -193,9 +193,9 @@ var PublicRoot = publicWidget.RootWidget.extend(ServiceProviderMixin, {
                 self.publicWidgets.push(widget);
                 return widget.attachTo($(el));
             });
-            return $.when.apply($, defs);
+            return Promise.all(defs);
         });
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Destroys all registered widget instances. Website would need this before
@@ -259,8 +259,8 @@ var PublicRoot = publicWidget.RootWidget.extend(ServiceProviderMixin, {
      */
     _onWidgetsStartRequest: function (ev) {
         this._startWidgets(ev.data.$target, ev.data.options)
-            .done(ev.data.onSuccess)
-            .fail(ev.data.onFailure);
+            .then(ev.data.onSuccess)
+            .guardedCatch(ev.data.onFailure);
     },
     /**
      * Called when the root is notified that the public widgets have to be
diff --git a/addons/web/static/src/js/public/public_widget.js b/addons/web/static/src/js/public/public_widget.js
index ec9c50ad9a8..79382e117d8 100644
--- a/addons/web/static/src/js/public/public_widget.js
+++ b/addons/web/static/src/js/public/public_widget.js
@@ -43,7 +43,7 @@ var RootWidget = Widget.extend({
         defs.push(this._attachComponents());
         this._listenToUpdates = true;
 
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
 
     //--------------------------------------------------------------------------
@@ -71,7 +71,7 @@ var RootWidget = Widget.extend({
             self._widgets.push(w);
             return w.attachTo(element);
         });
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Instantiates the child widgets that need to be according to the linked
@@ -88,7 +88,7 @@ var RootWidget = Widget.extend({
         var defs = _.map(childInfos, function (childInfo) {
             return self._attachComponent(childInfo, $from);
         });
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Returns the `RootWidgetRegistry` instance that is linked to this
diff --git a/addons/web/static/src/js/report/client_action.js b/addons/web/static/src/js/report/client_action.js
index 099ee77a527..c8b5621e6de 100644
--- a/addons/web/static/src/js/report/client_action.js
+++ b/addons/web/static/src/js/report/client_action.js
@@ -37,7 +37,7 @@ var ReportAction = AbstractAction.extend({
     start: function () {
         var self = this;
         this.iframe = this.$('iframe')[0];
-        return $.when(this._super.apply(this, arguments), session.is_bound).then(function () {
+        return Promise.all([this._super.apply(this, arguments), session.is_bound]).then(function () {
             var web_base_url = session['web.base.url'];
             var trusted_host = utils.get_host_from_url(web_base_url);
             var trusted_protocol = utils.get_protocol_from_url(web_base_url);
@@ -105,7 +105,7 @@ var ReportAction = AbstractAction.extend({
 
     /**
      * Helper allowing to send a message to the `this.el` iframe's window and
-     * seting the `targetOrigin` as `this.trusted_origin` (which is the 
+     * seting the `targetOrigin` as `this.trusted_origin` (which is the
      * `web.base.url` ir.config_parameter key) - in other word, only when using
      * this method we only send the message to a trusted domain.
      */
diff --git a/addons/web/static/src/js/services/ajax_service.js b/addons/web/static/src/js/services/ajax_service.js
index 0cecaae9da3..cb83dd9d553 100644
--- a/addons/web/static/src/js/services/ajax_service.js
+++ b/addons/web/static/src/js/services/ajax_service.js
@@ -7,19 +7,20 @@ var session = require('web.session');
 
 var AjaxService = AbstractService.extend({
     rpc: function (route, args, options, target) {
-        var def = $.Deferred();
-        var promise = def.promise();
-        var xhrDef = session.rpc(route, args, options);
-        promise.abort = xhrDef.abort.bind(xhrDef);
-        xhrDef.then(function () {
-            if (!target.isDestroyed()) {
-                def.resolve.apply(def, arguments);
-            }
-        }).fail(function () {
-            if (!target.isDestroyed()) {
-                def.reject.apply(def, arguments);
-            }
+        var rpcPromise;
+        var promise = new Promise(function (resolve, reject) {
+            rpcPromise = session.rpc(route, args, options);
+            rpcPromise.then(function (result) {
+                if (!target.isDestroyed()) {
+                    resolve(result);
+                }
+            }).guardedCatch(function (reason) {
+                if (!target.isDestroyed()) {
+                    reject(reason);
+                }
+            });
         });
+        promise.abort = rpcPromise.abort.bind(rpcPromise);
         return promise;
     },
 });
diff --git a/addons/web/static/src/js/services/core.js b/addons/web/static/src/js/services/core.js
index 3d6cfc4e684..ee37479e217 100644
--- a/addons/web/static/src/js/services/core.js
+++ b/addons/web/static/src/js/services/core.js
@@ -13,15 +13,15 @@ var translation = require('web.translation');
  *
  * @type Boolean
  */
-var bus = new Bus ();
+var bus = new Bus();
 
-_.each('click,dblclick,keydown,keypress,keyup'.split(','), function(evtype) {
-    $('html').on(evtype, function(ev) {
+_.each('click,dblclick,keydown,keypress,keyup'.split(','), function (evtype) {
+    $('html').on(evtype, function (ev) {
         bus.trigger(evtype, ev);
     });
 });
-_.each('resize,scroll'.split(','), function(evtype) {
-    $(window).on(evtype, function(ev) {
+_.each('resize,scroll'.split(','), function (evtype) {
+    $(window).on(evtype, function (ev) {
         bus.trigger(evtype, ev);
     });
 });
@@ -37,7 +37,7 @@ return {
     _lt: translation._lt,
 
     // registries
-    action_registry : new Registry(),
+    action_registry: new Registry(),
     crash_registry: new Registry(),
     serviceRegistry: new Registry(),
     /**
diff --git a/addons/web/static/src/js/services/crash_manager.js b/addons/web/static/src/js/services/crash_manager.js
index db88d688505..a29e21ca8ca 100644
--- a/addons/web/static/src/js/services/crash_manager.js
+++ b/addons/web/static/src/js/services/crash_manager.js
@@ -65,7 +65,7 @@ var CrashManager = core.Class.extend({
             ajax.jsonRpc('/web/webclient/version_info', 'call', {}, {shadow:true}).then(function () {
                 core.bus.trigger('connection_restored');
                 self.isConnected = true;
-            }).fail(function () {
+            }).guardedCatch(function () {
                 // exponential backoff, with some jitter
                 delay = (delay * 1.5) + 500*Math.random();
                 setTimeout(checkConnection, delay);
diff --git a/addons/web/static/src/js/services/data_manager.js b/addons/web/static/src/js/services/data_manager.js
index 348054691bc..b2f6ef1feb1 100644
--- a/addons/web/static/src/js/services/data_manager.js
+++ b/addons/web/static/src/js/services/data_manager.js
@@ -33,7 +33,7 @@ return core.Class.extend({
      *
      * @param {int|string} [action_id] the action id or xmlid
      * @param {Object} [additional_context] used to load the action
-     * @return {Deferred} resolved with the action whose id or xmlid is action_id
+     * @return {Promise} resolved with the action whose id or xmlid is action_id
      */
     load_action: function (action_id, additional_context) {
         var self = this;
@@ -69,7 +69,7 @@ return core.Class.extend({
      *     - options.load_filters: whether or not to load the filters,
      *     - options.action_id: the action_id (required to load filters),
      *     - options.toolbar: whether or not a toolbar will be displayed,
-     * @return {Deferred} resolved with the requested views information
+     * @return {Promise} resolved with the requested views information
      */
     load_views: function (params, options) {
         var self = this;
@@ -108,12 +108,12 @@ return core.Class.extend({
                     var fvg = result.fields_views[view_descr[1]];
                     fvg.viewFields = fvg.fields;
                     fvg.fields = result.fields;
-                    self._cache.fields_views[fv_key] = $.when(fvg);
+                    self._cache.fields_views[fv_key] = Promise.resolve(fvg);
                 });
 
                 // Insert filters, if any, into the filters cache
                 if (result.filters) {
-                    self._cache.filters[filters_key] = $.when(result.filters);
+                    self._cache.filters[filters_key] = Promise.resolve(result.filters);
                 }
 
                 return result.fields_views;
@@ -130,7 +130,7 @@ return core.Class.extend({
      * @param {string} params.modelName
      * @param {Object} params.context
      * @param {integer} params.actionId
-     * @return {Deferred} resolved with the requested filters
+     * @return {Promise} resolved with the requested filters
      */
     load_filters: function (params) {
         var key = this._gen_key(params.modelName, params.actionId);
@@ -143,7 +143,7 @@ return core.Class.extend({
                 },
                 model: 'ir.filters',
                 method: 'get_filters',
-            }).fail(this._invalidate.bind(this, this._cache.filters, key));
+            }).guardedCatch(this._invalidate.bind(this, this._cache.filters, key));
         }
         return this._cache.filters[key];
     },
@@ -152,7 +152,7 @@ return core.Class.extend({
      * Calls 'create_or_replace' on 'ir_filters'.
      *
      * @param {Object} [filter] the filter description
-     * @return {Deferred} resolved with the id of the created or replaced filter
+     * @return {Promise} resolved with the id of the created or replaced filter
      */
     create_filter: function (filter) {
         var self = this;
@@ -175,7 +175,7 @@ return core.Class.extend({
      * Calls 'unlink' on 'ir_filters'.
      *
      * @param {integer} filterId Id of the filter to remove
-     * @return {Deferred}
+     * @return {Promise}
      */
     delete_filter: function (filterId) {
         var self = this;
diff --git a/addons/web/static/src/js/services/report_service.js b/addons/web/static/src/js/services/report_service.js
index 006c546041a..ed4907a6d6d 100644
--- a/addons/web/static/src/js/services/report_service.js
+++ b/addons/web/static/src/js/services/report_service.js
@@ -15,7 +15,7 @@ var ReportService = AbstractService.extend({
      * Checks the state of the installation of wkhtmltopdf on the server.
      * Implements an internal cache to do the request only once.
      *
-     * @returns {Deferred} resolved with the state of wkhtmltopdf on the server
+     * @returns {Promise} resolved with the state of wkhtmltopdf on the server
      *   (possible values are 'ok', 'broken', 'install', 'upgrade', 'workers').
      */
     checkWkhtmltopdf: function () {
diff --git a/addons/web/static/src/js/tools/debug_manager.js b/addons/web/static/src/js/tools/debug_manager.js
index f09d8745f04..172148e03ef 100644
--- a/addons/web/static/src/js/tools/debug_manager.js
+++ b/addons/web/static/src/js/tools/debug_manager.js
@@ -62,7 +62,7 @@ var DebugManager = Widget.extend({
         this._has_features = false;
         // whether the current user is an administrator
         this._is_admin = session.is_system;
-        return $.when(
+        return Promise.resolve(
             this._rpc({
                     model: 'res.users',
                     method: 'check_access_rights',
@@ -160,7 +160,7 @@ var DebugManager = Widget.extend({
             .append(QWeb.render('WebClient.DebugManager.Global', {
                 manager: this,
             }));
-        return $.when();
+        return Promise.resolve();
     },
     select_view: function () {
         var self = this;
@@ -281,7 +281,7 @@ DebugManager.include({
             model: 'ir.model',
             method: 'search',
             args: [[['model', '=', model]]]
-        }).done(function (ids) {
+        }).then(function (ids) {
             self.do_action({
                 res_model: 'ir.model.fields',
                 name: _t('View Fields'),
@@ -324,7 +324,7 @@ DebugManager.include({
 DebugManager.include({
     start: function () {
         this._can_edit_views = false;
-        return $.when(
+        return Promise.all([
             this._super(),
             this._rpc({
                     model: 'ir.ui.view',
@@ -334,6 +334,7 @@ DebugManager.include({
                 .then(function (ar) {
                     this._can_edit_views = ar;
                 }.bind(this))
+            ]
         );
     },
     update: function (tag, descriptor, widget) {
@@ -382,7 +383,7 @@ DebugManager.include({
             model: this._action.res_model,
             method: 'get_metadata',
             args: [selectedIDs],
-        }).done(function(result) {
+        }).then(function(result) {
             var metadata = result[0];
             metadata.creator = field_utils.format.many2one(metadata.create_uid);
             metadata.lastModifiedBy = field_utils.format.many2one(metadata.write_uid);
@@ -515,7 +516,7 @@ DebugManager.include({
                             true,
                             condition || false,
                         ],
-                    }).done(function () { d.close(); });
+                    }).then(function () { d.close(); });
                 }}
             ]
         });
diff --git a/addons/web/static/src/js/tools/test_menus.js b/addons/web/static/src/js/tools/test_menus.js
index 4e31b2d4467..d950d5d56ee 100644
--- a/addons/web/static/src/js/tools/test_menus.js
+++ b/addons/web/static/src/js/tools/test_menus.js
@@ -65,16 +65,16 @@
         }
         console.log('Found ', $listOfAppMenuItems.length, 'apps to test');
 
-        var testDef = $.when();
-        testDef = chainDeferred($listOfAppMenuItems, testDef, testApp);
-        return testDef.then(function() {
+        var testPromise = Promise.resolve();
+        testPromise = chainDeferred($listOfAppMenuItems, testPromise, testApp);
+        return testPromise.then(function () {
             console.log("Successfully tested ", testedApps.length, " apps");
             console.log("Successfully tested ", testedMenus.length - testedApps.length, " menus");
             console.log("test successful");
-        }).always(function() {
-            console.log("Test took ", (performance.now() - startTime)/1000, " seconds");
-        }).fail(function () {
-            console.error("test failed");
+            console.log("Test took ", (performance.now() - startTime) / 1000, " seconds");
+        }).catch(function () {
+            console.log("Test took ", (performance.now() - startTime) / 1000, " seconds");
+            console.error("Error !");
         });
     }
 
@@ -86,18 +86,18 @@
      *  3 - clicking on each menu
      *  3.1  - clicking on each view
      * @param {DomElement} element: the App menu item
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     function testApp(element){
         console.log("Testing app menu:", element.dataset.menuXmlid);
-        if (testedApps.indexOf(element.dataset.menuXmlid) >= 0) return $.Deferred().resolve(); // Another infinite loop protection
+        if (testedApps.indexOf(element.dataset.menuXmlid) >= 0) return Promise.resolve(); // Another infinite loop protection
         testedApps.push(element.dataset.menuXmlid);
         return testMenuItem(element).then(function () {
             var $subMenuItems;
             $subMenuItems = $('.o_menu_entry_lvl_1, .o_menu_entry_lvl_2, .o_menu_entry_lvl_3, .o_menu_entry_lvl_4');
-            var testMenuDef = $.when();
-            testMenuDef = chainDeferred($subMenuItems, testMenuDef, testMenuItem);
-            return testMenuDef;
+            var testMenuPromise = Promise.resolve();
+            testMenuPromise = chainDeferred($subMenuItems, testMenuPromise, testMenuItem);
+            return testMenuPromise;
         }).then(function(){
                 // no effect in community
                 var $homeMenu = $("nav.o_main_navbar > a.o_menu_toggle.fa-th");
@@ -112,10 +112,10 @@
      *  2 - Orchestrate the view switch
      *
      *  @param {DomElement} element: the menu item
-     *  @returns {Deferred}
+     *  @returns {Promise}
      */
     function testMenuItem(element){
-        if (testedMenus.indexOf(element.dataset.menuXmlid) >= 0) return $.Deferred().resolve(); // Avoid infinite loop
+        if (testedMenus.indexOf(element.dataset.menuXmlid) >= 0) return Promise.resolve(); // Avoid infinite loop
         console.log("Testing menu", element.innerText.trim(), " ", element.dataset.menuXmlid);
         testedMenus.push(element.dataset.menuXmlid);
         var startActionCount = clientActionCount;
@@ -128,7 +128,7 @@
                 $modal.modal('hide');
                 isModal = true;
                 return true;
-            };
+            }
             return startActionCount != clientActionCount;
         }).then(function() {
             if (!isModal) {
@@ -138,7 +138,7 @@
             if (!isModal) {
                 return testViews();
             }
-        }).fail(function() {
+        }).catch(function () {
             console.error("Error while testing", element);
         });
     };
@@ -151,21 +151,21 @@
      */
     function testViews() {
             var $switches = $("nav.o_cp_switch_buttons > button:not(.active):visible");
-            var testSwitchDef = $.when();
-            // chainDeferred($switches, testSwitchDef, testViewSwitch # FIXME
+            var testSwitchPromise = Promise.resolve();
+            // chainDeferred($switches, testSwitchPromise, testViewSwitch # FIXME
             _.each($switches, function(switchButton) {
-                testSwitchDef = testSwitchDef.then(function () {
+                testSwitchPromise = testSwitchPromise.then(function () {
                     // get the view view-type data attribute
                     return testViewSwitch(switchButton.dataset.viewType);
                 });
             });
-            return testSwitchDef;
+            return testSwitchPromise;
     }
 
     /**
      * Test a view button
      * @param {string} viewType: a string for the view type to test (list, kanban ...)
-     * @returns {Deferred} a deferred that wait for the view to be loaded
+     * @returns {Promise} a promise that wait for the view to be loaded
      */
     function testViewSwitch(viewType){
         console.log("Testing view switch: ", viewType);
@@ -188,20 +188,20 @@
      * Click on each filter in the control pannel
      */
     function testFilters() {
-        var filterDef = $.when();
+        var filterProm = Promise.resolve();
         // var $filters = $('div.o_control_panel div.btn-group.o_dropdown > ul.o_filters_menu > li:not(.o_add_custom_filter)');
         var $filters = $('.o_filters_menu > .o_menu_item');
         console.log("Testing " + $filters.length + " filters");
         var filter_ids = _.compact(_.map($filters, function(f) { return f.dataset.id}));
         _.each(filter_ids, function(filter_id){
-            filterDef = filterDef.then(function(){
+            filterProm = filterProm.then(function(){
                 var currentViewCount = viewUpdateCount;
                 var $filter = $('.o_menu_item[data-id="' + filter_id + '"] a');
                 // with some customized search views, the filter cannot be found
                 if ($filter[0] === undefined) {
                     console.warn('Filter with ID ', filter_id , 'cannot be found');
-                    return $.Deferred().resolve();
-                };
+                    return Promise.resolve();
+                }
                 console.log('Clicking on filter "', $filter.text().trim(), '"');
                 $filter[0].click();
                 setTimeout(function() {
@@ -220,52 +220,55 @@
                 });
             });
         });
-        return filterDef;
+        return filterProm;
     }
 
     // utility functions
     /**
      * Wait a certain amount of time for a condition to occur
-     * @param stopCondition: a function that returns a boolean
-     * @returns {Deferred} that is rejected if the timeout is exceeded
+     * @param {function} stopCondition a function that returns a boolean
+     * @returns {Promise} that is rejected if the timeout is exceeded
      */
     function waitForCondition(stopCondition) {
-        var def = $.Deferred();
-        var interval = 250;
-        var timeLimit = 15000;
-        function checkCondition() {
-            if (stopCondition()) {
-                def.resolve();
-            } else {
-                timeLimit -= interval;
-                if (timeLimit > 0) {
-                    // recursive call until the resolve or the timeout
-                    setTimeout(checkCondition, interval);
+        var prom = new Promise(function (resolve, reject) {
+            var interval = 250;
+            var timeLimit = 15000;
+
+            function checkCondition() {
+                if (stopCondition()) {
+                    resolve();
                 } else {
-                    console.error("Timeout exceeded", stopCondition);
-                    def.reject();
+                    timeLimit -= interval;
+                    if (timeLimit > 0) {
+                        // recursive call until the resolve or the timeout
+                        setTimeout(checkCondition, interval);
+                    } else {
+                        console.error("Timeout exceeded", stopCondition);
+                        reject();
+                    }
                 }
             }
-        }
-        setTimeout(checkCondition, interval);
-        return def;
-    };
+            setTimeout(checkCondition, interval);
+        });
+        return prom;
+    }
 
 
     /**
-     * chain deferred actions
-     * @param $elements: a list of jquery elements to be passed as arg to the function
-     * @param deferred: the deferred on which other deferreds will be chained
-     * @param f: the function to be deferred
-     * @returns : the chained deferred
+     * Chain deferred actions.
+     *
+     * @param {jQueryElement} $elements a list of jquery elements to be passed as arg to the function
+     * @param {Promise} promise the promise on which other promises will be chained
+     * @param {function} f the function to be deferred
+     * @returns {Promise} the chained promise
      */
-    function chainDeferred($elements, deferred, f) {
+    function chainDeferred($elements, promise, f) {
         _.each($elements, function(el) {
-            deferred = deferred.then(function () {
+            promise = promise.then(function () {
                 return f(el);
             });
         });
-        return deferred;
+        return promise;
     }
 
 
diff --git a/addons/web/static/src/js/views/abstract_controller.js b/addons/web/static/src/js/views/abstract_controller.js
index b5d7c8fe8b3..0c251874480 100644
--- a/addons/web/static/src/js/views/abstract_controller.js
+++ b/addons/web/static/src/js/views/abstract_controller.js
@@ -62,7 +62,7 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
     /**
      * Simply renders and updates the url.
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         var self = this;
@@ -70,12 +70,16 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
         this.$el.addClass('o_view_controller');
 
         return this._super.apply(this, arguments).then(function () {
+            var prom;
             if (self._controlPanel) {
                 // render the ControlPanel elements (buttons, pager, sidebar...)
-                self.controlPanelElements = self._renderControlPanelElements();
-                self._controlPanel.$el.prependTo(self.$el);
+                prom = self._renderControlPanelElements().then(function (elements) {
+                    self.controlPanelElements = elements;
+                    self._controlPanel.$el.prependTo(self.$el);
+                });
             }
-
+            return Promise.resolve(prom);
+        }).then(function () {
             return self._update(self.initialState);
         });
     },
@@ -119,7 +123,7 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
      */
     canBeRemoved: function () {
         // AAB: get rid of this option when on_hashchange mechanism is improved
-        return this.discardChanges(undefined, {readonlyIfRealDiscard: true});
+        return this.discardChanges(undefined, { readonlyIfRealDiscard: true });
     },
     /**
      * Discards the changes made on the record associated to the given ID, or
@@ -128,15 +132,15 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
      * this method on the active view to make sure it is ok to open the home
      * screen (and lose all current state).
      *
-     * Note that it returns a deferred, because the view could choose to ask the
+     * Note that it returns a Promise, because the view could choose to ask the
      * user if he agrees to discard.
      *
      * @param {string} [recordID]
      *        if not given, we consider all the changes made by the controller
-     * @returns {Deferred} resolved if properly discarded, rejected otherwise
+     * @returns {Promise} resolved if properly discarded, rejected otherwise
      */
     discardChanges: function (recordID) {
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * Export the state of the controller containing information that is shared
@@ -155,7 +159,7 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
     /**
      * Gives the focus to the renderer
      */
-    giveFocus: function() {
+    giveFocus: function () {
         this.renderer.giveFocus();
     },
     /**
@@ -174,7 +178,7 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
      * Short helper method to reload the view
      *
      * @param {Object} [params] This object will simply be given to the update
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     reload: function (params) {
         params = params || {};
@@ -186,7 +190,7 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
                 params = _.extend({}, params, searchQuery);
             });
         }
-        return $.when(def).then(this.update.bind(this, params, {}));
+        return Promise.resolve(def).then(this.update.bind(this, params, {}));
     },
     /**
      * For views that require a pager, this method will be called to allow the
@@ -195,16 +199,20 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
      * your view does not want a pager, just let this method empty.
      *
      * @param {jQuery Node} $node
+     * @return {Promise}
      */
     renderPager: function ($node) {
+        return Promise.resolve();
     },
     /**
      * Same as renderPager, but for the 'sidebar' zone (the zone with the menu
      * dropdown in the control panel next to the buttons)
      *
      * @param {jQuery Node} $node
+     * @return {Promise}
      */
     renderSidebar: function ($node) {
+        return Promise.resolve();
     },
     /**
      * This is the main entry point for the controller.  Changes from the search
@@ -219,12 +227,12 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
      * @param {Object} [options]
      * @param {boolean} [options.reload=true] if true, the model will reload data
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     update: function (params, options) {
         var self = this;
         var shouldReload = (options && 'reload' in options) ? options.reload : true;
-        var def = shouldReload ? this.model.reload(this.handle, params) : $.when();
+        var def = shouldReload ? this.model.reload(this.handle, params) : Promise.resolve();
         // we check here that the updateIndex of the control panel hasn't changed
         // between the start of the update request and the moment the controller
         // asks the control panel to update itself ; indeed, it could happen that
@@ -285,17 +293,17 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
      *     return {'html': '<h1>hello, world</h1>'}
      *
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _renderBanner: function () {
         if (this.bannerRoute !== undefined) {
             var self = this;
             return this.dp
-                .add(this._rpc({route: this.bannerRoute}))
+                .add(this._rpc({ route: this.bannerRoute }))
                 .then(function (response) {
                     if (!response.html) {
                         self.$el.removeClass('o_has_banner');
-                        return $.when();
+                        return Promise.resolve();
                     }
                     self.$el.addClass('o_has_banner');
                     var $banner = $(response.html);
@@ -313,22 +321,24 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
                         defs.push(ajax.loadJS(js.src));
                         js.remove();
                     });
-                    return $.when.apply($, defs).then(function () {
+                    return Promise.all(defs).then(function () {
                         $banner.prependTo(self.$('> .o_content'));
                         self._$banner = $banner;
                     });
                 });
         }
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * Renders the control elements (buttons, pager and sidebar) of the current
      * view.
      *
      * @private
-     * @returns {Object} an object containing the control panel jQuery elements
+     * @returns {Promise<Object>} resolved with an object containing the control
+     *   panel jQuery elements
      */
     _renderControlPanelElements: function () {
+        var self = this;
         var elements = {
             $buttons: $('<div>'),
             $sidebar: $('<div>'),
@@ -336,15 +346,18 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
         };
 
         this.renderButtons(elements.$buttons);
-        this.renderSidebar(elements.$sidebar);
-        this.renderPager(elements.$pager);
-        // remove the unnecessary outer div
-        elements = _.mapObject(elements, function($node) {
-            return $node && $node.contents();
-        });
-        elements.$switch_buttons = this._renderSwitchButtons();
+        var sidebarProm = this.renderSidebar(elements.$sidebar);
+        var pagerProm = this.renderPager(elements.$pager);
 
-        return elements;
+        return Promise.all([sidebarProm, pagerProm]).then(function () {
+            // remove the unnecessary outer div
+            elements = _.mapObject(elements, function ($node) {
+                return $node && $node.contents();
+            });
+            elements.$switch_buttons = self._renderSwitchButtons();
+
+            return elements;
+        });
     },
     /**
      * Renders the switch buttons and binds listeners on them.
@@ -354,7 +367,7 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
      */
     _renderSwitchButtons: function () {
         var self = this;
-        var views = _.filter(this.actionViews, {multiRecord: this.isMultiRecord});
+        var views = _.filter(this.actionViews, { multiRecord: this.isMultiRecord });
 
         if (views.length <= 1) {
             return $();
@@ -373,7 +386,7 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
         var $switchButtonsFiltered = config.device.isMobile ? $switchButtons.find('button') : $switchButtons.filter('button');
         $switchButtonsFiltered.click(_.debounce(function (event) {
             var viewType = $(event.target).data('view-type');
-            self.trigger_up('switch_view', {view_type: viewType});
+            self.trigger_up('switch_view', { view_type: viewType });
         }, 200, true));
 
         // set active view's icon as view switcher button's icon in mobile
@@ -402,7 +415,7 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
      *
      * @private
      * @param {Object} state the state given by the model
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _update: function () {
         // AAB: update the control panel -> this will be moved elsewhere at some point
@@ -524,7 +537,7 @@ var AbstractController = mvc.Controller.extend(ActionMixin, {
      */
     _onOpenRecord: function (ev) {
         ev.stopPropagation();
-        var record = this.model.get(ev.data.id, {raw: true});
+        var record = this.model.get(ev.data.id, { raw: true });
         this.trigger_up('switch_view', {
             view_type: 'form',
             res_id: record.res_id,
diff --git a/addons/web/static/src/js/views/abstract_model.js b/addons/web/static/src/js/views/abstract_model.js
index da73ac664a3..d18367b1756 100644
--- a/addons/web/static/src/js/views/abstract_model.js
+++ b/addons/web/static/src/js/views/abstract_model.js
@@ -31,7 +31,7 @@ var AbstractModel = mvc.Model.extend({
      * @returns {Promise}
      */
     reload: function (params) {
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * Processes date(time) and selection field values sent by the server.
diff --git a/addons/web/static/src/js/views/abstract_renderer.js b/addons/web/static/src/js/views/abstract_renderer.js
index 0f18263c9ee..724b63bae79 100644
--- a/addons/web/static/src/js/views/abstract_renderer.js
+++ b/addons/web/static/src/js/views/abstract_renderer.js
@@ -23,14 +23,14 @@ return mvc.Renderer.extend({
         this.noContentHelp = params.noContentHelp;
     },
     /**
-     * The rendering can be asynchronous (but it is not encouraged). The start
+     * The rendering is asynchronous. The start
      * method simply makes sure that we render the view.
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         this.$el.addClass(this.arch.attrs.class);
-        return $.when(this._render(), this._super());
+        return Promise.all([this._render(), this._super()]);
     },
     /**
      * Called each time the renderer is attached into the DOM.
@@ -86,11 +86,11 @@ return mvc.Renderer.extend({
      * @param {Object} params
      * @param {boolean} [params.noRender=false]
      *        if true, the method only updates the state without rerendering
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     updateState: function (state, params) {
         this.state = state;
-        return params.noRender ? $.when() : this._render();
+        return params.noRender ? Promise.resolve() : this._render();
     },
 
     //--------------------------------------------------------------------------
@@ -102,10 +102,10 @@ return mvc.Renderer.extend({
      *
      * @abstract
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _render: function () {
-        return $.when();
+        return Promise.resolve();
     },
 });
 
diff --git a/addons/web/static/src/js/views/abstract_view.js b/addons/web/static/src/js/views/abstract_view.js
index ce8951f6ee8..ba3c198bd21 100644
--- a/addons/web/static/src/js/views/abstract_view.js
+++ b/addons/web/static/src/js/views/abstract_view.js
@@ -194,11 +194,12 @@ var AbstractView = Factory.extend({
             def = this._createControlPanel(parent);
         }
         var _super = this._super.bind(this);
-        return $.when(def).then(function (controlPanel) {
+        return Promise.resolve(def).then(function (controlPanel) {
             // get the parent of the model if it already exists, as _super will
             // set the new controller as parent, which we don't want
             var modelParent = self.model && self.model.getParent();
-            return _super(parent).done(function (controller) {
+            var prom =  _super(parent);
+            prom.then(function (controller) {
                 if (controlPanel) {
                     controlPanel.setParent(controller);
                 }
@@ -207,7 +208,7 @@ var AbstractView = Factory.extend({
                     self.model.setParent(modelParent);
                 }
             });
-
+            return prom;
         });
     },
     /**
diff --git a/addons/web/static/src/js/views/basic/basic_controller.js b/addons/web/static/src/js/views/basic/basic_controller.js
index 07646c83273..edfaba60b54 100644
--- a/addons/web/static/src/js/views/basic/basic_controller.js
+++ b/addons/web/static/src/js/views/basic/basic_controller.js
@@ -41,11 +41,11 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
         // savingDef is used to ensure that we always wait for pending save
         // operations to complete before checking if there are changes to
         // discard when discardChanges is called
-        this.savingDef = $.when();
+        this.savingDef = Promise.resolve();
     },
     /**
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         // add classname to reflect the (absence of) access rights (used to
@@ -66,24 +66,27 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
      *
      * @override
      * @param {string} [recordID] - default to main recordID
-     * @returns {Deferred<boolean>}
+     * @returns {Promise<boolean>}
      *          resolved if can be discarded, a boolean value is given to tells
      *          if there is something to discard or not
      *          rejected otherwise
      */
     canBeDiscarded: function (recordID) {
+        var self = this;
         if (!this.isDirty(recordID)) {
-            return $.when(false);
+            return Promise.resolve(false);
         }
 
         var message = _t("The record has been modified, your changes will be discarded. Do you want to proceed?");
-        var def = $.Deferred();
-        var dialog = Dialog.confirm(this, message, {
-            title: _t("Warning"),
-            confirm_callback: def.resolve.bind(def, true),
-            cancel_callback: def.reject.bind(def),
+        var def;
+        def = new Promise(function (resolve, reject) {
+            var dialog = Dialog.confirm(self, message, {
+                title: _t("Warning"),
+                confirm_callback: resolve.bind(self, true),
+                cancel_callback: reject,
+            });
+            dialog.on('closed', def, reject);
         });
-        dialog.on('closed', def, def.reject);
         return def;
     },
     /**
@@ -114,7 +117,7 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
      * @see _.discardChanges
      */
     discardChanges: function (recordID, options) {
-        return $.when(this.mutex.getUnlockedDef(), this.savingDef)
+        return Promise.all([this.mutex.getUnlockedDef(), this.savingDef])
             .then(this._discardChanges.bind(this, recordID || this.handle, options));
     },
     /**
@@ -144,6 +147,7 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
      * @override
      */
     renderPager: function ($node, options) {
+        var self = this;
         var data = this.model.get(this.handle, {raw: true});
         this.pager = new Pager(this, data.count, data.offset + 1, data.limit, options);
 
@@ -161,19 +165,21 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
                 })
                 .then(this.pager.enable.bind(this.pager));
         });
-        this.pager.appendTo($node);
-        this._updatePager();  // to force proper visibility
+        return this.pager.appendTo($node).then(function() {
+            self._updatePager();  // to force proper visibility
+        });
     },
     /**
      * Saves the record whose ID is given if necessary (@see _saveRecord).
      *
      * @param {string} [recordID] - default to main recordID
      * @param {Object} [options]
-     * @returns {Deferred}
+     * @returns {Promise}
      *        Resolved with the list of field names (whose value has been modified)
      *        Rejected if the record can't be saved
      */
     saveRecord: function (recordID, options) {
+        var self = this;
         // Some field widgets can't detect (all) their changes immediately or
         // may have to validate them before notifying them, so we ask them to
         // commit their current value before saving. This has to be done outside
@@ -187,23 +193,22 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
         // user if some discarding has to be made). This operation must also be
         // mutex-protected as commitChanges function of x2m has to be aware of
         // all final changes made to a row.
-        var self = this;
-        var savingDef = $.Deferred();
-        this.savingDef = savingDef;
-
-        return this.mutex.getUnlockedDef()
+        var unlockedMutex = this.mutex.getUnlockedDef()
             .then(function () {
                 return self.renderer.commitChanges(recordID || self.handle);
             })
             .then(function () {
                 return self.mutex.exec(self._saveRecord.bind(self, recordID, options));
-            })
-            .then(savingDef.resolve.bind(savingDef))
-            .fail(savingDef.resolve.bind(savingDef));
+            });
+        this.savingDef = new Promise(function (resolve) {
+            unlockedMutex.then(resolve).guardedCatch(resolve);
+        });
+
+        return unlockedMutex;
     },
     /**
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     update: function (params, options) {
         var self = this;
@@ -267,31 +272,32 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
      * @private
      * @param {Object} attrs the attrs of the button clicked
      * @param {Object} [record] the current state of the view
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _callButtonAction: function (attrs, record) {
         var self = this;
-        var def = $.Deferred();
-        var reload = function () {
-            return self.isDestroyed() ? $.when() : self.reload();
-        };
-        record = record || this.model.get(this.handle);
+        var def = new Promise(function (resolve, reject) {
+            var reload = function () {
+                return self.isDestroyed() ? Promise.resolve() : self.reload();
+            };
+            record = record || self.model.get(self.handle);
 
-        this.trigger_up('execute_action', {
-            action_data: _.extend({}, attrs, {
-                context: record.getContext({additionalContext: attrs.context || {}}),
-            }),
-            env: {
-                context: record.getContext(),
-                currentID: record.data.id,
-                model: record.model,
-                resIDs: record.res_ids,
-            },
-            on_success: def.resolve.bind(def),
-            on_fail: function () {
-                self.update({}, {reload: false}).always(def.reject.bind(def));
-            },
-            on_closed: reload,
+            self.trigger_up('execute_action', {
+                action_data: _.extend({}, attrs, {
+                    context: record.getContext({additionalContext: attrs.context || {}}),
+                }),
+                env: {
+                    context: record.getContext(),
+                    currentID: record.data.id,
+                    model: record.model,
+                    resIDs: record.res_ids,
+                },
+                on_success: resolve,
+                on_fail: function () {
+                    self.update({}, {reload: false}).then(reject).guardedCatch(reject);
+                },
+                on_closed: reload,
+            });
         });
         return this.alive(def);
     },
@@ -305,7 +311,7 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
      * @param {string} id - the id of one of the view's records
      * @param {string[]} fields - the changed fields
      * @param {OdooEvent} e - the event that triggered the change
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _confirmChange: function (id, fields, e) {
         if (e.name === 'discard_changes' && e.target.reset) {
@@ -364,7 +370,7 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
      *        the new record to be in edit mode too, but the view manager calls
      *        this function as the URL changes...) @todo get rid of this when
      *        the webclient/action_manager's hashchange mechanism is improved.
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _discardChanges: function (recordID, options) {
         var self = this;
@@ -459,7 +465,7 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
      * @param {boolean} [options.savePoint=false]
      *        if true, the record will only be 'locally' saved: its changes
      *        will move from the _changes key to the data key
-     * @returns {Deferred}
+     * @returns {Promise}
      *        Resolved with the list of field names (whose value has been modified)
      *        Rejected if the record can't be saved
      */
@@ -490,7 +496,7 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
             }
             return saveDef;
         } else {
-            return $.Deferred().reject(); // Cannot be saved
+            return Promise.reject("SaveRecord: this.canBeSave is false"); // Cannot be saved
         }
     },
     /**
@@ -501,7 +507,7 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
      * @private
      * @param {string} mode - 'readonly' or 'edit'
      * @param {string} [recordID]
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _setMode: function (mode, recordID) {
         if ((recordID || this.handle) === this.handle) {
@@ -511,7 +517,7 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
                 core.bus.trigger('DOM_updated');
             });
         }
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * Helper method, to get the current environment variables from the model
@@ -564,14 +570,14 @@ var BasicController = AbstractController.extend(FieldManagerMixin, {
         ev.stopPropagation();
         var recordID = ev.data.recordID;
         this._discardChanges(recordID)
-            .done(function () {
+            .then(function () {
                 // TODO this will tell the renderer to rerender the widget that
                 // asked for the discard but will unfortunately lose the click
                 // made on another row if any
                 self._confirmChange(recordID, [ev.data.fieldName], ev)
-                    .always(ev.data.onSuccess);
+                    .then(ev.data.onSuccess).guardedCatch(ev.data.onSuccess);
             })
-            .fail(ev.data.onFailure);
+            .guardedCatch(ev.data.onFailure);
     },
     /**
      * Forces to save directly the changes if the controller is in readonly,
diff --git a/addons/web/static/src/js/views/basic/basic_model.js b/addons/web/static/src/js/views/basic/basic_model.js
index 4d86ef4293b..95b6d439ec1 100644
--- a/addons/web/static/src/js/views/basic/basic_model.js
+++ b/addons/web/static/src/js/views/basic/basic_model.js
@@ -173,7 +173,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} [options]
      * @param {string} [options.position=top] if the new record should be added
      *   on top or on bottom of the list
-     * @returns {Deferred<string>} resolves to the id of the new created record
+     * @returns {Promise<string>} resolves to the id of the new created record
      */
     addDefaultRecord: function (listID, options) {
         var self = this;
@@ -241,7 +241,7 @@ var BasicModel = AbstractModel.extend({
      *   assume main viewType from the record
      * @param {Array} [options.fieldNames] list of field names for which a
      *   default value must be generated (used to complete the values dict)
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     applyDefaultValues: function (recordID, values, options) {
         options = options || {};
@@ -304,7 +304,7 @@ var BasicModel = AbstractModel.extend({
             }
         }
 
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Onchange RPCs may return values for fields that are not in the current
@@ -321,7 +321,7 @@ var BasicModel = AbstractModel.extend({
      *
      * @param {string} recordID local resource id of a record
      * @param {string} viewType the current viewType
-     * @returns {Deferred<string>} resolves to the id of the record
+     * @returns {Promise<string>} resolves to the id of the record
      */
     applyRawChanges: function (recordID, viewType) {
         var record = this.localData[recordID];
@@ -388,7 +388,7 @@ var BasicModel = AbstractModel.extend({
      * @param {string[]} recordIds list of local resources ids. They should all
      *   be of type 'record', be of the same model and have the same parent.
      * @param {string} modelName mode name used to unlink the records
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     deleteRecords: function (recordIds, modelName) {
         var self = this;
@@ -457,7 +457,7 @@ var BasicModel = AbstractModel.extend({
      * Duplicate a record (by calling the 'copy' route)
      *
      * @param {string} recordID id for a local resource
-     * @returns {Deferred<string>} resolves to the id of duplicate record
+     * @returns {Promise<string>} resolves to the id of duplicate record
      */
     duplicateRecord: function (recordID) {
         var self = this;
@@ -725,7 +725,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} params.fields contains the description of each field
      * @param {string} [params.type] 'record' or 'list'
      * @param {string} [params.recordID] an ID for an existing resource.
-     * @returns {Deferred<string>} resolves to a local id, or handle
+     * @returns {Promise<string>} resolves to a local id, or handle
      */
     load: function (params) {
         params.type = params.type || (params.res_id !== undefined ? 'record' : 'list');
@@ -758,7 +758,7 @@ var BasicModel = AbstractModel.extend({
      * @param {string} model name of the model
      * @param {Object[]} fields a description of field properties
      * @param {Object} [fieldInfo] various field info that we want to set
-     * @returns {string} the local id for the created resource
+     * @returns {Promise<string>} the local id for the created resource
      */
     makeRecord: function (model, fields, fieldInfo) {
         var self = this;
@@ -849,7 +849,7 @@ var BasicModel = AbstractModel.extend({
                 record.data[field.name] = field.value;
             }
         });
-        return $.when.apply($, defs).then(function () {
+        return Promise.all(defs).then(function () {
             return record.id;
         });
     },
@@ -863,7 +863,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} changes a map field => new value
      * @param {Object} [options] will be transferred to the applyChange method
      *   @see _applyChange
-     * @returns {string[]} list of changed fields
+     * @returns {Promise<string[]>} list of changed fields
      */
     notifyChanges: function (record_id, changes, options) {
         return this.mutex.exec(this._applyChange.bind(this, record_id, changes, options));
@@ -876,7 +876,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} [options]
      * @param {boolean} [options.keepChanges=false] if true, doesn't discard the
      *   changes on the record before reloading it
-     * @returns {Deferred<string>} resolves to the id of the resource
+     * @returns {Promise<string>} resolves to the id of the resource
      */
     reload: function (id, options) {
         return this.mutex.exec(this._reload.bind(this, id, options));
@@ -925,12 +925,12 @@ var BasicModel = AbstractModel.extend({
      * @param {object} [options]
      * @param {integer} [options.offset]
      * @param {string} [options.field] the field name used as sequence
-     * @returns {Deferred<string>} resolves to the local id of the parent
+     * @returns {Promise<string>} resolves to the local id of the parent
      */
     resequence: function (modelName, resIDs, parentID, options) {
         options = options || {};
         if ((resIDs.length <= 1)) {
-            return $.when(parentID); // there is nothing to sort
+            return Promise.resolve(parentID); // there is nothing to sort
         }
         var self = this;
         var data = this.localData[parentID];
@@ -952,7 +952,7 @@ var BasicModel = AbstractModel.extend({
                 if (!wasResequenced) {
                     // the field on which the resequence was triggered does not
                     // exist, so no resequence happened server-side
-                    return $.when();
+                    return Promise.resolve();
                 }
                 var field = params.field ? params.field : 'sequence';
 
@@ -1010,7 +1010,7 @@ var BasicModel = AbstractModel.extend({
      *   be restored later by call discardChanges with option rollback to true
      * @param {string} [options.viewType] current viewType. If not set, we will
      *   assume main viewType from the record
-     * @returns {Deferred}
+     * @returns {Promise}
      *   Resolved with the list of field names (whose value has been modified)
      */
     save: function (recordID, options) {
@@ -1054,57 +1054,59 @@ var BasicModel = AbstractModel.extend({
                 });
             }
 
-            var def = $.Deferred();
-            var changedFields = Object.keys(changes);
+            var prom = new Promise(function (resolve, reject) {
+                var changedFields = Object.keys(changes);
 
-            if (options.savePoint) {
-                return def.resolve(changedFields);
-            }
+                if (options.savePoint) {
+                    resolve(changedFields);
+                    return;
+                }
 
-            def.then(function () {
-                record._isDirty = false;
-            });
-            // in the case of a write, only perform the RPC if there are changes to save
-            if (method === 'create' || changedFields.length) {
-                var args = method === 'write' ? [[record.data.id], changes] : [changes];
-                self._rpc({
-                        model: record.model,
-                        method: method,
-                        args: args,
-                        context: record.getContext(),
-                    }).then(function (id) {
-                        if (method === 'create') {
-                            record.res_id = id;  // create returns an id, write returns a boolean
-                            record.data.id = id;
-                            record.offset = record.res_ids.length;
-                            record.res_ids.push(id);
-                            record.count++;
-                        }
+                // in the case of a write, only perform the RPC if there are changes to save
+                if (method === 'create' || changedFields.length) {
+                    var args = method === 'write' ? [[record.data.id], changes] : [changes];
+                    self._rpc({
+                            model: record.model,
+                            method: method,
+                            args: args,
+                            context: record.getContext(),
+                        }).then(function (id) {
+                            if (method === 'create') {
+                                record.res_id = id;  // create returns an id, write returns a boolean
+                                record.data.id = id;
+                                record.offset = record.res_ids.length;
+                                record.res_ids.push(id);
+                                record.count++;
+                            }
 
-                        var _changes = record._changes;
+                            var _changes = record._changes;
 
-                        // Erase changes as they have been applied
-                        record._changes = {};
+                            // Erase changes as they have been applied
+                            record._changes = {};
 
-                        // Optionally clear the DataManager's cache
-                        self._invalidateCache(record);
+                            // Optionally clear the DataManager's cache
+                            self._invalidateCache(record);
 
-                        self.unfreezeOrder(record.id);
+                            self.unfreezeOrder(record.id);
 
-                        // Update the data directly or reload them
-                        if (shouldReload) {
-                            self._fetchRecord(record).then(function () {
-                                def.resolve(changedFields);
-                            });
-                        } else {
-                            _.extend(record.data, _changes);
-                            def.resolve(changedFields);
-                        }
-                    }).fail(def.reject.bind(def));
-            } else {
-                def.resolve(changedFields);
-            }
-            return def;
+                            // Update the data directly or reload them
+                            if (shouldReload) {
+                                self._fetchRecord(record).then(function () {
+                                    resolve(changedFields);
+                                });
+                            } else {
+                                _.extend(record.data, _changes);
+                                resolve(changedFields);
+                            }
+                        }).guardedCatch(reject);
+                } else {
+                    resolve(changedFields);
+                }
+            });
+            prom.then(function () {
+                record._isDirty = false;
+            });
+            return prom;
         });
     },
     /**
@@ -1123,7 +1125,7 @@ var BasicModel = AbstractModel.extend({
      *
      * @param {string} list_id id for the list resource
      * @param {string} fieldName valid field name
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     setSort: function (list_id, fieldName) {
         var list = this.localData[list_id];
@@ -1153,7 +1155,7 @@ var BasicModel = AbstractModel.extend({
             // sort field is still unknown (i.e. on other pages for example)
             return this._fetchUngroupedList(list);
         }
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * Toggle the active value of given records (to archive/unarchive them)
@@ -1161,7 +1163,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Array} recordIDs local ids of the records to (un)archive
      * @param {boolean} value false to archive, true to unarchive (value of the active field)
      * @param {string} parentID id of the parent resource to reload
-     * @returns {Deferred<string>} resolves to the parent id
+     * @returns {Promise<string>} resolves to the parent id
      */
     toggleActive: function (recordIDs, value, parentID) {
         var self = this;
@@ -1185,7 +1187,7 @@ var BasicModel = AbstractModel.extend({
      * data
      *
      * @param {string} groupId
-     * @returns {Deferred<string>} resolves to the group id
+     * @returns {Promise<string>} resolves to the group id
      */
     toggleGroup: function (groupId) {
         var self = this;
@@ -1196,7 +1198,7 @@ var BasicModel = AbstractModel.extend({
             group.res_ids = [];
             group.offset = 0;
             this._updateParentResIDs(group);
-            return $.when(groupId);
+            return Promise.resolve(groupId);
         }
         if (!group.isOpen) {
             group.isOpen = true;
@@ -1206,7 +1208,7 @@ var BasicModel = AbstractModel.extend({
                     self._updateParentResIDs(group);
                 });
             }
-            return $.when(def).then(function () {
+            return Promise.resolve(def).then(function () {
                 return groupId;
             });
         }
@@ -1260,7 +1262,7 @@ var BasicModel = AbstractModel.extend({
      *   If several contexts are found, multiple records are added
      * @param {boolean} [options.allowWarning=false] if true, the default record
      *   operation can complete, even if a warning is raised
-     * @returns {Deferred<[string]>} resolves to the new records ids
+     * @returns {Promise<[string]>} resolves to the new records ids
      */
     _addX2ManyDefaultRecord: function (list, options) {
         var self = this;
@@ -1286,9 +1288,9 @@ var BasicModel = AbstractModel.extend({
             makeDefaultRecords.push(self._makeDefaultRecord(list.model, params));
         }
 
-        return $.when.apply($, makeDefaultRecords).then(function (){
+        return Promise.all(makeDefaultRecords).then(function (resultIds){
             var ids = [];
-            _.each(arguments, function (id){
+            _.each(resultIds, function (id){
                 ids.push(id);
 
                 list._changes.push({operation: 'ADD', id: id, position: position, isNew: true});
@@ -1324,7 +1326,7 @@ var BasicModel = AbstractModel.extend({
      * @param {boolean} [options.allowWarning=false] if true, change
      *   operation can complete, even if a warning is raised
      *   (only supported by X2ManyChange)
-     * @returns {Deferred} list of changed fields
+     * @returns {Promise} list of changed fields
      */
     _applyChange: function (recordID, changes, options) {
         var self = this;
@@ -1354,10 +1356,10 @@ var BasicModel = AbstractModel.extend({
         }
 
         if (options.notifyChange === false) {
-            return $.Deferred().resolve(_.keys(changes));
+            return Promise.resolve(_.keys(changes));
         }
 
-        return $.when.apply($, defs).then(function () {
+        return Promise.all(defs).then(function () {
             var onChangeFields = []; // the fields that have changed and that have an on_change
             for (var fieldName in changes) {
                 field = record.fields[fieldName];
@@ -1368,22 +1370,22 @@ var BasicModel = AbstractModel.extend({
                     }
                 }
             }
-            var onchangeDef = $.Deferred();
-            if (onChangeFields.length) {
-                self._performOnChange(record, onChangeFields, options.viewType)
+            return new Promise(function (resolve, reject) {
+                if (onChangeFields.length) {
+                    self._performOnChange(record, onChangeFields, options.viewType)
                     .then(function (result) {
                         delete record._warning;
-                        onchangeDef.resolve(_.keys(changes).concat(Object.keys(result && result.value || {})));
-                    }).fail(function () {
+                        resolve(_.keys(changes).concat(Object.keys(result && result.value || {})));
+                    }).guardedCatch(function () {
                         self._visitChildren(record, function (elem) {
                             _.extend(elem, initialData[elem.id]);
                         });
-                        onchangeDef.resolve({});
+                        resolve({});
                     });
-            } else {
-                onchangeDef = $.Deferred().resolve(_.keys(changes));
-            }
-            return onchangeDef.then(function (fieldNames) {
+                } else {
+                    resolve(_.keys(changes));
+                }
+            }).then(function (fieldNames) {
                 _.each(fieldNames, function (name) {
                     if (record._changes && record._changes[name] === record.data[name]) {
                         delete record._changes[name];
@@ -1407,13 +1409,13 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} record
      * @param {string} fieldName
      * @param {Object} [data]
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _applyX2OneChange: function (record, fieldName, data) {
         var self = this;
         if (!data || !data.id) {
             record._changes[fieldName] = false;
-            return $.when();
+            return Promise.resolve();
         }
 
         // here, we check that the many2one really changed. If the res_id is the
@@ -1429,7 +1431,7 @@ var BasicModel = AbstractModel.extend({
         }
         var relatedRecord = this.localData[relatedID];
         if (relatedRecord && (data.id === this.localData[relatedID].res_id)) {
-            return $.when();
+            return Promise.resolve();
         }
         var rel_data = _.pick(data, 'id', 'display_name');
         var field = record.fields[fieldName];
@@ -1450,7 +1452,7 @@ var BasicModel = AbstractModel.extend({
                     rel_data.display_name = result[0][1];
                 });
         }
-        return $.when(def).then(function () {
+        return Promise.resolve(def).then(function () {
             var rec = self._makeDataPoint({
                 context: record.context,
                 data: rel_data,
@@ -1471,7 +1473,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} record
      * @param {string} [viewType] current viewType. If not set, we will assume
      *   main viewType from the record
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _applyOnChange: function (values, record, viewType) {
         var self = this;
@@ -1634,7 +1636,7 @@ var BasicModel = AbstractModel.extend({
                 var def = self._readUngroupedList(list).then(function () {
                     var x2ManysDef = self._fetchX2ManysBatched(list);
                     var referencesDef = self._fetchReferencesBatched(list);
-                    return $.when(x2ManysDef, referencesDef);
+                    return Promise.all([x2ManysDef, referencesDef]);
                 });
                 defs.push(def);
             } else {
@@ -1644,7 +1646,7 @@ var BasicModel = AbstractModel.extend({
                 }
             }
         });
-        return $.when.apply($, defs);
+        return Promise.all(defs);
 
         // inner function that adds a record (based on its res_id) to a list
         // dataPoint (used for onchanges that return commands 4 (LINK TO) or
@@ -1680,7 +1682,7 @@ var BasicModel = AbstractModel.extend({
      * @param {boolean} [allowWarning=false] if true, change
      *   operation can complete, even if a warning is raised
      *   (only supported by the 'CREATE' command.operation)
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _applyX2ManyChange: function (record, fieldName, command, viewType, allowWarning) {
         if (command.operation === 'TRIGGER_ONCHANGE') {
@@ -1688,7 +1690,7 @@ var BasicModel = AbstractModel.extend({
             // there is no need to apply any change on the record (the changes
             // have probably been already applied and saved, usecase: many2many
             // edition in a dialog)
-            return $.when();
+            return Promise.resolve();
         }
 
         var self = this;
@@ -1765,10 +1767,10 @@ var BasicModel = AbstractModel.extend({
                             list_records[record.id].data = record;
                             self._parseServerData(fieldNames, list, record);
                         });
-                        return $.when(
+                        return Promise.all([
                             self._fetchX2ManysBatched(list),
                             self._fetchReferencesBatched(list)
-                        );
+                        ]);
                     });
                     defs.push(def);
                 }
@@ -1850,10 +1852,10 @@ var BasicModel = AbstractModel.extend({
                         }),
                     }, viewType);
                 }
-                return $.when(addDef, removedDef);
+                return Promise.all([addDef, removedDef]);
         }
 
-        return $.when.apply($, defs).then(function () {
+        return Promise.all(defs).then(function () {
             // ensure to fetch up to 'limit' records (may be useful if records of
             // the current page have been removed)
             return self._readUngroupedList(list).then(function () {
@@ -2103,7 +2105,7 @@ var BasicModel = AbstractModel.extend({
      * Fetch all name_gets for the many2ones in a group
      *
      * @param {Object[]} groups a list of object with context and record sub keys
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchMany2OneGroup: function (groups) {
         var ids = _.uniq(_.pluck(_.pluck(groups, 'record'), 'res_id'));
@@ -2124,7 +2126,7 @@ var BasicModel = AbstractModel.extend({
      * Fetch name_get for a record datapoint.
      *
      * @param {Object} dataPoint
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchNameGet: function (dataPoint) {
         return this._rpc({
@@ -2143,7 +2145,7 @@ var BasicModel = AbstractModel.extend({
      * @params {Object} list: must be a datapoint of type list
      *   (for example: a datapoint representing a x2many)
      * @params {string} fieldName: the name of a field of type Many2one or Reference
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchNameGets: function (list, fieldName) {
         var self = this;
@@ -2168,7 +2170,7 @@ var BasicModel = AbstractModel.extend({
         });
 
         if (!ids.length) {
-            return $.when();
+            return Promise.resolve();
         }
         return this._rpc({
                 model: model,
@@ -2195,7 +2197,7 @@ var BasicModel = AbstractModel.extend({
      * @param {string} [options.viewType] the type of view for which the record
      *   is fetched (usefull to load the adequate fields), by defaults, uses
      *   record.viewType
-     * @returns {Deferred<Object>} resolves to the record or is rejected in
+     * @returns {Promise<Object>} resolves to the record or is rejected in
      *   case no id given were valid ids
      */
     _fetchRecord: function (record, options) {
@@ -2211,7 +2213,7 @@ var BasicModel = AbstractModel.extend({
             })
             .then(function (result) {
                 if (result.length === 0) {
-                    return $.Deferred().reject();
+                    return Promise.reject();
                 }
                 result = result[0];
                 record.data = _.extend({}, record.data, result);
@@ -2220,10 +2222,10 @@ var BasicModel = AbstractModel.extend({
                 self._parseServerData(fieldNames, record, record.data);
             })
             .then(function () {
-                return $.when(
+                return Promise.all([
                     self._fetchX2Manys(record, options),
                     self._fetchReferences(record, options)
-                ).then(function () {
+                ]).then(function () {
                     return self._postprocess(record, options);
                 });
             });
@@ -2234,7 +2236,7 @@ var BasicModel = AbstractModel.extend({
      * @private
      * @param {Object} record
      * @param {string} fieldName
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchReference: function (record, fieldName) {
         var self = this;
@@ -2259,7 +2261,7 @@ var BasicModel = AbstractModel.extend({
                 });
             });
         }
-        return $.when(def);
+        return Promise.resolve(def);
     },
     /**
      * Fetches data for reference fields and assigns these data to newly
@@ -2270,7 +2272,7 @@ var BasicModel = AbstractModel.extend({
      *   @see _getDataToFetchByModel
      * @param {string} model
      * @param {string} fieldName
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchReferenceData: function (datapoints, model, fieldName) {
         var self = this;
@@ -2307,7 +2309,7 @@ var BasicModel = AbstractModel.extend({
      *
      * @private
      * @param {Object} record
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchReferences: function (record, options) {
         var self = this;
@@ -2324,7 +2326,7 @@ var BasicModel = AbstractModel.extend({
                 defs.push(def);
             }
         });
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Batch requests for one reference field in list (one request by different
@@ -2333,7 +2335,7 @@ var BasicModel = AbstractModel.extend({
      * @see _fetchReferencesBatched
      * @param {Object} list
      * @param {string} fieldName
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchReferenceBatched: function (list, fieldName) {
         var self = this;
@@ -2347,13 +2349,13 @@ var BasicModel = AbstractModel.extend({
             defs.push(self._fetchReferenceData(datapoints, model, fieldName));
         });
 
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Batch requests for references for datapoint of type list.
      *
      * @param {Object} list
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchReferencesBatched: function (list) {
         var defs = [];
@@ -2364,7 +2366,7 @@ var BasicModel = AbstractModel.extend({
                 defs.push(this._fetchReferenceBatched(list, fieldNames[i]));
             }
         }
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Batch reference requests for all records in list.
@@ -2372,7 +2374,7 @@ var BasicModel = AbstractModel.extend({
      * @see _fetchReferencesSingleBatch
      * @param {Object} list a valid resource object
      * @param {string} fieldName
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchReferenceSingleBatch: function (list, fieldName) {
         var self = this;
@@ -2390,14 +2392,14 @@ var BasicModel = AbstractModel.extend({
             defs.push(self._fetchReferenceData(datapoints, model, fieldName));
         });
 
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Batch requests for all reference field in list's children.
      * Called by _readGroup to make only one 'name_get' rpc by fieldName.
      *
      * @param {Object} list a valid resource object
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchReferencesSingleBatch: function (list) {
         var defs = [];
@@ -2408,7 +2410,7 @@ var BasicModel = AbstractModel.extend({
                 defs.push(this._fetchReferenceSingleBatch(list, fieldNames[fIndex]));
             }
         }
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Fetch model data from server, relationally to fieldName and resulted
@@ -2420,7 +2422,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} toFetch a list of records and res_ids,
      *   @see _getDataToFetch
      * @param {string} fieldName
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchRelatedData: function (list, toFetch, fieldName) {
         var self = this;
@@ -2431,7 +2433,7 @@ var BasicModel = AbstractModel.extend({
         var fieldInfo = list.fieldsInfo[list.viewType][fieldName];
 
         if (!ids.length || fieldInfo.__no_fetch) {
-            return $.when();
+            return Promise.resolve();
         }
 
         var def;
@@ -2445,7 +2447,7 @@ var BasicModel = AbstractModel.extend({
                 context: list.getContext() || {},
             });
         } else {
-            def = $.when(_.map(ids, function (id) {
+            def = Promise.resolve(_.map(ids, function (id) {
                 return {id:id};
             }));
         }
@@ -2465,10 +2467,10 @@ var BasicModel = AbstractModel.extend({
      * This method is currently only called by _makeDefaultRecord, it should be
      * called by the onchange methods at some point.
      *
-     * @todo fix bug: returns a list of deferred, not a deferred
+     * @todo fix bug: returns a list of promise, not a promise
      *
      * @param {Object} record a valid resource object
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchRelationalData: function (record) {
         var self = this;
@@ -2496,7 +2498,7 @@ var BasicModel = AbstractModel.extend({
             return [elem.record.model, JSON.stringify(elem.context)].join();
         });
 
-        return $.when.apply($, _.map(groups, this._fetchMany2OneGroup.bind(this)));
+        return Promise.all(_.map(groups, this._fetchMany2OneGroup.bind(this)));
     },
     /**
      * Check the AbstractField specializations that are (will be) used by the
@@ -2507,15 +2509,15 @@ var BasicModel = AbstractModel.extend({
      *
      * @param {Object} record - an element from the localData
      * @param {Object} options
-     * @returns {Deferred<Array>}
-     *          The deferred is resolved with an array containing the names of
+     * @returns {Promise<Array>}
+     *          The promise is resolved with an array containing the names of
      *          the field whose special data has been changed.
      */
     _fetchSpecialData: function (record, options) {
         var self = this;
         var specialFieldNames = [];
         var fieldNames = (options && options.fieldNames) || record.getFieldNames();
-        return $.when.apply($, _.map(fieldNames, function (name) {
+        return Promise.all(_.map(fieldNames, function (name) {
             var viewType = (options && options.viewType) || record.viewType;
             var fieldInfo = record.fieldsInfo[viewType][name] || {};
             var Widget = fieldInfo.Widget;
@@ -2541,16 +2543,16 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} fieldInfo
      * @param {string[]} [fieldsToRead] - the m2os fields to read (id and
      *                                  display_name are automatic).
-     * @returns {Deferred<any>}
-     *          The deferred is resolved with the fetched special data. If this
+     * @returns {Promise<any>}
+     *          The promise is resolved with the fetched special data. If this
      *          data is the same as the previously fetched one (for the given
-     *          parameters), no RPC is done and the deferred is resolved with
+     *          parameters), no RPC is done and the promise is resolved with
      *          the undefined value.
      */
     _fetchSpecialMany2ones: function (record, fieldName, fieldInfo, fieldsToRead) {
         var field = record.fields[fieldName];
         if (field.type !== "many2one") {
-            return $.when();
+            return Promise.resolve();
         }
 
         var context = record.getContext({fieldName: fieldName});
@@ -2571,7 +2573,7 @@ var BasicModel = AbstractModel.extend({
             domain: domain,
         });
         if (!hasChanged) {
-            return $.when();
+            return Promise.resolve();
         }
 
         var self = this;
@@ -2607,16 +2609,16 @@ var BasicModel = AbstractModel.extend({
      *
      * @param {Object} record - an element from the localData
      * @param {Object} fieldName - the name of the field
-     * @returns {Deferred<any>}
-     *          The deferred is resolved with the fetched special data. If this
+     * @returns {Promise<any>}
+     *          The promise is resolved with the fetched special data. If this
      *          data is the same as the previously fetched one (for the given
-     *          parameters), no RPC is done and the deferred is resolved with
+     *          parameters), no RPC is done and the promise is resolved with
      *          the undefined value.
      */
     _fetchSpecialRelation: function (record, fieldName) {
         var field = record.fields[fieldName];
         if (!_.contains(["many2one", "many2many", "one2many"], field.type)) {
-            return $.when();
+            return Promise.resolve();
         }
 
         var context = record.getContext({fieldName: fieldName});
@@ -2628,7 +2630,7 @@ var BasicModel = AbstractModel.extend({
             domain: domain,
         });
         if (!hasChanged) {
-            return $.when();
+            return Promise.resolve();
         }
 
         return this._rpc({
@@ -2645,7 +2647,7 @@ var BasicModel = AbstractModel.extend({
      * @private
      * @param {Object} record - an element from the localData
      * @param {Object} fieldName - the name of the field
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchSpecialReference: function (record, fieldName) {
         var def;
@@ -2655,7 +2657,7 @@ var BasicModel = AbstractModel.extend({
             // needs to be fetched a posteriori
             def = this._fetchReference(record, fieldName);
         }
-        return $.when(def);
+        return Promise.resolve(def);
     },
     /**
      * Fetches all the m2o records associated to the given fieldName. If the
@@ -2666,10 +2668,10 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} record - an element from the localData
      * @param {Object} fieldName - the name of the field
      * @param {Object} fieldInfo
-     * @returns {Deferred<any>}
-     *          The deferred is resolved with the fetched special data. If this
+     * @returns {Promise<any>}
+     *          The promise is resolved with the fetched special data. If this
      *          data is the same as the previously fetched one (for the given
-     *          parameters), no RPC is done and the deferred is resolved with
+     *          parameters), no RPC is done and the promise is resolved with
      *          the undefined value.
      */
     _fetchSpecialStatus: function (record, fieldName, fieldInfo) {
@@ -2689,13 +2691,14 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} record - an element from the localData
      * @param {Object} fieldName - the name of the field
      * @param {Object} fieldInfo
-     * @returns {Deferred<any>}
-     *          The deferred is resolved with the fetched special data. If this
+     * @returns {Promise<any>}
+     *          The promise is resolved with the fetched special data. If this
      *          data is the same as the previously fetched one (for the given
-     *          parameters), no RPC is done and the deferred is resolved with
+     *          parameters), no RPC is done and the promise is resolved with
      *          the undefined value.
      */
     _fetchSpecialDomain: function (record, fieldName, fieldInfo) {
+        var self = this;
         var context = record.getContext({fieldName: fieldName});
 
         var domainModel = fieldInfo.options.model;
@@ -2711,34 +2714,37 @@ var BasicModel = AbstractModel.extend({
             domainValue: domainValue,
         });
         if (!hasChanged) {
-            return $.when();
+            return Promise.resolve();
         } else if (!domainModel) {
-            return $.when({
+            return Promise.resolve({
                 model: domainModel,
                 nbRecords: 0,
             });
         }
 
-        var def = $.Deferred();
-        var evalContext = this._getEvalContext(record);
-        this._rpc({
+        return new Promise(function (resolve) {
+            var evalContext = self._getEvalContext(record);
+            self._rpc({
                 model: domainModel,
                 method: 'search_count',
                 args: [Domain.prototype.stringToArray(domainValue, evalContext)],
                 context: context
             })
-            .then(_.identity, function (error, e) {
-                e.preventDefault(); // prevent traceback (the search_count might be intended to break)
-                return false;
-            })
-            .always(function (nbRecords) {
-                def.resolve({
+            .then(function (nbRecords) {
+                resolve({
                     model: domainModel,
                     nbRecords: nbRecords,
                 });
+            })
+            .guardedCatch(function (reason) {
+                var e = reason.event;
+                e.preventDefault(); // prevent traceback (the search_count might be intended to break)
+                resolve({
+                    model: domainModel,
+                    nbRecords: 0,
+                });
             });
-
-        return def;
+        });
     },
     /**
      * Fetch all data in a ungrouped list
@@ -2748,7 +2754,7 @@ var BasicModel = AbstractModel.extend({
      * @param {boolean} [options.enableRelationalFetch=true] if false, will not
      *   fetch x2m and relational data (that will be done by _readGroup in this
      *   case).
-     * @returns {Deferred<Object>} resolves to the fetched list
+     * @returns {Promise<Object>} resolves to the fecthed list
      */
     _fetchUngroupedList: function (list, options) {
         options = _.defaults(options || {}, {enableRelationalFetch: true});
@@ -2762,7 +2768,7 @@ var BasicModel = AbstractModel.extend({
                     var defs = _.map(many2ones, function (name) {
                         return self._fetchNameGets(list, name);
                     });
-                    return $.when.apply($, defs);
+                    return Promise.all(defs);
                 }
             });
         } else {
@@ -2770,10 +2776,10 @@ var BasicModel = AbstractModel.extend({
         }
         return def.then(function () {
             if (options.enableRelationalFetch) {
-                return $.when(
-                    self._fetchX2ManysBatched(list, options),
-                    self._fetchReferencesBatched(list, options)
-                );
+                return Promise.all([
+                    self._fetchX2ManysBatched(list),
+                    self._fetchReferencesBatched(list)
+                ]);
             }
         }).then(function () {
             return list;
@@ -2785,7 +2791,7 @@ var BasicModel = AbstractModel.extend({
      * @see _fetchX2ManysBatched
      * @param {Object} list
      * @param {string} fieldName
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchX2ManyBatched: function (list, fieldName) {
         list = this._applyX2ManyOperations(list);
@@ -2810,7 +2816,7 @@ var BasicModel = AbstractModel.extend({
      * @param {string} [options.viewType] the type of view for which the main
      *   record is fetched (useful to load the adequate fields), by defaults,
      *   uses record.viewType
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchX2Manys: function (record, options) {
         var self = this;
@@ -2845,22 +2851,22 @@ var BasicModel = AbstractModel.extend({
                 record.data[fieldName] = list.id;
                 if (!fieldInfo.__no_fetch) {
                     var def = self._readUngroupedList(list).then(function () {
-                        return $.when(
+                        return Promise.all([
                             self._fetchX2ManysBatched(list),
                             self._fetchReferencesBatched(list)
-                        );
+                        ]);
                     });
                     defs.push(def);
                 }
             }
         });
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * batch request for x2ms for datapoint of type list
      *
      * @param {Object} list
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchX2ManysBatched: function (list) {
         var defs = [];
@@ -2871,7 +2877,7 @@ var BasicModel = AbstractModel.extend({
                 defs.push(this._fetchX2ManyBatched(list, fieldNames[i]));
             }
         }
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * For a non-static list, batches requests for all its sublists' records.
@@ -2881,7 +2887,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} list a valid resource object, its data must be another
      *   list containing records
      * @param {string} fieldName
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchX2ManySingleBatch: function (list, fieldName) {
         var self = this;
@@ -2904,7 +2910,7 @@ var BasicModel = AbstractModel.extend({
      * Called by _readGroup to make only one 'read' rpc by fieldName.
      *
      * @param {Object} list a valid resource object
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _fetchX2ManysSingleBatch: function (list) {
         var defs = [];
@@ -2915,7 +2921,7 @@ var BasicModel = AbstractModel.extend({
                 defs.push(this._fetchX2ManySingleBatch(list, fieldNames[i]));
             }
         }
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Generates an object mapping field names to their changed value in a given
@@ -3584,12 +3590,12 @@ var BasicModel = AbstractModel.extend({
      * @param {boolean} [options.keepEmptyGroups=false] if set, the groups not
      *   present in the read_group anymore (empty groups) will stay in the
      *   datapoint (used to mimic the kanban renderer behaviour for example)
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _load: function (dataPoint, options) {
         if (options && options.onlyGroups &&
           !(dataPoint.type === 'list' && dataPoint.groupedBy.length)) {
-            return $.when(dataPoint);
+            return Promise.resolve(dataPoint);
         }
 
         if (dataPoint.type === 'record') {
@@ -3733,7 +3739,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} params.fields contains the description of each field
      * @param {Object} params.context the context for the new record
      * @param {string} params.viewType the key in fieldsInfo of the fields to load
-     * @returns {Deferred<string>} resolves to the id for the created resource
+     * @returns {Promise<string>} resolves to the id for the created resource
      */
     _makeDefaultRecord: function (modelName, params) {
         var self = this;
@@ -3787,16 +3793,19 @@ var BasicModel = AbstractModel.extend({
 
                 return self.applyDefaultValues(record.id, result, {fieldNames: fieldNames})
                     .then(function () {
-                        var def = $.Deferred();
-                        self._performOnChange(record, fields_key).always(function () {
-                            if (record._warning) {
-                                if (params.allowWarning) {
-                                    delete record._warning;
-                                } else {
-                                    def.reject();
+                        var def = new Promise(function (resolve, reject) {
+                            var always = function () {
+                                if (record._warning) {
+                                    if (params.allowWarning) {
+                                        delete record._warning;
+                                    } else {
+                                        reject();
+                                    }
                                 }
-                            }
-                            def.resolve();
+                                resolve();
+                            };
+                            self._performOnChange(record, fields_key)
+                            .then(always).guardedCatch(always);
                         });
                         return def;
                     })
@@ -3865,13 +3874,13 @@ var BasicModel = AbstractModel.extend({
      * @param {string[]} fields changed fields
      * @param {string} [viewType] current viewType. If not set, we will assume
      *   main viewType from the record
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _performOnChange: function (record, fields, viewType) {
         var self = this;
         var onchangeSpec = this._buildOnchangeSpecs(record, viewType);
         if (!onchangeSpec) {
-            return $.when();
+            return Promise.resolve();
         }
         var idList = record.data.id ? [record.data.id] : [];
         var options = {
@@ -3925,7 +3934,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} [options]
      * @param {Object} [options.viewType] current viewType. If not set, we will
      *   assume main viewType from the record
-     * @returns {Deferred<Object>} resolves to the finished resource
+     * @returns {Promise<Object>} resolves to the finished resource
      */
     _postprocess: function (record, options) {
         var self = this;
@@ -3954,7 +3963,7 @@ var BasicModel = AbstractModel.extend({
 
         defs.push(this._fetchSpecialData(record, options));
 
-        return $.when.apply($, defs).then(function () {
+        return Promise.all(defs).then(function () {
             return record;
         });
     },
@@ -3975,7 +3984,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} [options]
      * @param {string} [options.viewType] current viewType. If not set, we will
      *   assume main viewType from the record
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _processX2ManyCommands: function (record, fieldName, commands, options) {
         var self = this;
@@ -4076,10 +4085,10 @@ var BasicModel = AbstractModel.extend({
                     x2manyList._changes.push({operation: 'ADD', resID: res_id});
                 });
                 var def = self._readUngroupedList(x2manyList).then(function () {
-                    return $.when(
+                    return Promise.all([
                         self._fetchX2ManysBatched(x2manyList),
                         self._fetchReferencesBatched(x2manyList)
-                    );
+                    ]);
                 });
                 defs.push(def);
             }
@@ -4090,7 +4099,7 @@ var BasicModel = AbstractModel.extend({
             defs.push(self._fetchNameGets(x2manyList, name));
         });
 
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Reads data from server for all missing fields.
@@ -4099,7 +4108,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} list a valid resource object
      * @param {interger[]} resIDs
      * @param {string[]} fieldNames to check and read if missing
-     * @returns {Deferred<Object>}
+     * @returns {Promise<Object>}
      */
     _readMissingFields: function (list, resIDs, fieldNames) {
         var self = this;
@@ -4128,7 +4137,7 @@ var BasicModel = AbstractModel.extend({
                 context: list.getContext(),
             });
         } else {
-            def = $.when(_.map(missingIDs, function (id) {
+            def = Promise.resolve(_.map(missingIDs, function (id) {
                 return {id:id};
             }));
         }
@@ -4174,7 +4183,7 @@ var BasicModel = AbstractModel.extend({
      *
      * @param {Object} list valid resource object
      * @param {Object} [options] @see _load
-     * @returns {Deferred<Object>} resolves to the fetched group object
+     * @returns {Promise<Object>} resolves to the fetched group object
      */
     _readGroup: function (list, options) {
         var self = this;
@@ -4285,20 +4294,20 @@ var BasicModel = AbstractModel.extend({
                     });
                 }
 
-                return $.when.apply($, defs).then(function () {
+                return Promise.all(defs).then(function (groups) {
                     if (!options || !options.onlyGroups) {
                         // generate the res_ids of the main list, being the concatenation
                         // of the fetched res_ids in each group
-                        list.res_ids = _.flatten(_.map(arguments, function (group) {
+                        list.res_ids = _.flatten(_.map(groups, function (group) {
                             return group ? group.res_ids : [];
                         }));
                     }
                     return list;
                 }).then(function () {
-                    var fetchingDefs = [];
-                    fetchingDefs.push(self._fetchX2ManysSingleBatch(list));
-                    fetchingDefs.push(self._fetchReferencesSingleBatch(list));
-                    return $.when.apply($, fetchingDefs).then(function () {
+                    return Promise.all([
+                        self._fetchX2ManysSingleBatch(list),
+                        self._fetchReferencesSingleBatch(list)
+                    ]).then(function () {
                         return list;
                     });
                 });
@@ -4309,11 +4318,11 @@ var BasicModel = AbstractModel.extend({
      * instead of a /search_read.
      *
      * @param {Object} list a valid resource object
-     * @returns {Deferred<Object>} resolves to the fetched list object
+     * @returns {Promise<Object>} resolves to the fetched list object
      */
     _readUngroupedList: function (list) {
         var self = this;
-        var def = $.when();
+        var def = Promise.resolve();
 
         // generate the current count and res_ids list by applying the changes
         list = this._applyX2ManyOperations(list);
@@ -4375,7 +4384,7 @@ var BasicModel = AbstractModel.extend({
      * @param {Object} [options]
      * @param {boolean} [options.keepChanges=false] if true, doesn't discard the
      *   changes on the record before reloading it
-     * @returns {Deferred<string>} resolves to the id of the resource
+     * @returns {Promise<string>} resolves to the id of the resource
      */
     _reload: function (id, options) {
         options = options || {};
@@ -4464,7 +4473,7 @@ var BasicModel = AbstractModel.extend({
      * /search_read because the data may not be static (for ex, a list view).
      *
      * @param {Object} list
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _searchReadUngroupedList: function (list) {
         var self = this;
diff --git a/addons/web/static/src/js/views/basic/basic_renderer.js b/addons/web/static/src/js/views/basic/basic_renderer.js
index 27821081f96..2bc63f47073 100644
--- a/addons/web/static/src/js/views/basic/basic_renderer.js
+++ b/addons/web/static/src/js/views/basic/basic_renderer.js
@@ -61,13 +61,13 @@ var BasicRenderer = AbstractRenderer.extend({
      * before notifying them).
      *
      * @param {string} recordID
-     * @return {Deferred}
+     * @return {Promise}
      */
     commitChanges: function (recordID) {
         var defs = _.map(this.allFieldWidgets[recordID], function (widget) {
             return widget.commitChanges();
         });
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Updates the internal state of the renderer to the new state. By default,
@@ -86,7 +86,7 @@ var BasicRenderer = AbstractRenderer.extend({
      * @param {string} id
      * @param {string[]} fields
      * @param {OdooEvent} ev
-     * @returns {Deferred<AbstractField[]>} resolved with the list of widgets
+     * @returns {Promise<AbstractField[]>} resolved with the list of widgets
      *                                      that have been reset
      */
     confirmChange: function (state, id, fields, ev) {
@@ -118,7 +118,7 @@ var BasicRenderer = AbstractRenderer.extend({
         // state before evaluation
         defs.push(this._updateAllModifiers(record));
 
-        return $.when.apply($, defs).then(function () {
+        return Promise.all(defs).then(function () {
             return resetWidgets;
         });
     },
@@ -295,7 +295,7 @@ var BasicRenderer = AbstractRenderer.extend({
      *
      * @private
      * @param {AbstractField} widget
-     * @returns {boolean|Deferred<boolean>} @see AbstractField.isValid
+     * @returns {boolean|Promise<boolean>} @see AbstractField.isValid
      */
     _canWidgetBeSaved: function (widget) {
         var modifiers = this._getEvaluatedModifiers(widget.__node, widget.record);
@@ -386,6 +386,7 @@ var BasicRenderer = AbstractRenderer.extend({
      * @param {Object} node the attrs coming from the arch
      */
     _postProcessField: function (widget, node) {
+        this._handleAttributes(widget.$el, node);
     },
     /**
      * Registers or updates the modifiers data associated to the given node.
@@ -503,7 +504,7 @@ var BasicRenderer = AbstractRenderer.extend({
      * Render the view
      *
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _render: function () {
         var oldAllFieldWidgets = this.allFieldWidgets;
@@ -520,7 +521,7 @@ var BasicRenderer = AbstractRenderer.extend({
     /**
      * Instantiates the appropriate AbstractField specialization for the given
      * node and prepares its rendering and addition to the DOM. Indeed, the
-     * rendering of the widget will be started and the associated deferred will
+     * rendering of the widget will be started and the associated promise will
      * be added to the 'defs' attribute. This is supposed to be created and
      * deleted by the calling code if necessary.
      *
@@ -559,28 +560,31 @@ var BasicRenderer = AbstractRenderer.extend({
 
         widget.__node = node; // TODO get rid of this if possible one day
 
-        // Prepare widget rendering and save the related deferred
+        // Prepare widget rendering and save the related promise
         var def = widget._widgetRenderAndInsert(function () {});
-        var async = def.state() === 'pending';
-        var $el = async ? $('<div>') : widget.$el;
-        if (async) {
-            this.defs.push(def);
-        }
+        var $el = $('<div>');
+
+        this.defs.push(def);
 
         // Update the modifiers registration by associating the widget and by
         // giving the modifiers options now (as the potential callback is
         // associated to new widget)
         var self = this;
         def.then(function () {
-            if (async) {
-                $el.replaceWith(widget.$el);
-            }
+            // when the caller of renderFieldWidget uses something like
+            // this.renderFieldWidget(...).addClass(...), the class is added on
+            // the temporary div and not on the actual element that will be
+            // rendered. As we do not return a promise and some callers cannot
+            // wait for this.defs, we copy those attributes to the final element.
+            widget.$el.attr($el.getAttributes());
+
+            $el.replaceWith(widget.$el);
             self._registerModifiers(node, record, widget, {
                 callback: function (element, modifiers, record) {
                     element.$el.toggleClass('o_field_empty', !!(
-                        record.data.id
-                        && (modifiers.readonly || mode === 'readonly')
-                        && !element.widget.isSet()
+                        record.data.id &&
+                        (modifiers.readonly || mode === 'readonly') &&
+                        !element.widget.isSet()
                     ));
                 },
                 keepBaseMode: !!options.keepBaseMode,
@@ -618,10 +622,10 @@ var BasicRenderer = AbstractRenderer.extend({
      * possible.
      *
      * @abstract
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _renderView: function () {
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * Instantiate custom widgets
@@ -637,22 +641,17 @@ var BasicRenderer = AbstractRenderer.extend({
 
         this.widgets.push(widget);
 
-        // Prepare widget rendering and save the related deferred
+        // Prepare widget rendering and save the related promise
         var def = widget._widgetRenderAndInsert(function () {});
-        var async = def.state() === 'pending';
-        if (async) {
-            this.defs.push(def);
-        }
-        var $el = async ? $('<div>') : widget.$el;
+        this.defs.push(def);
+        var $el = $('<div>');
 
         var self = this;
         def.then(function () {
             self._handleAttributes(widget.$el, node);
             self._registerModifiers(node, record, widget);
             widget.$el.addClass('o_widget');
-            if (async) {
-                $el.replaceWith(widget.$el);
-            }
+            $el.replaceWith(widget.$el);
         });
 
         return $el;
@@ -709,7 +708,7 @@ var BasicRenderer = AbstractRenderer.extend({
      *
      * @private
      * @param {Object} record
-     * @returns {Deferred} resolved once finished
+     * @returns {Promise} resolved once finished
      */
     _updateAllModifiers: function (record) {
         var self = this;
@@ -722,7 +721,7 @@ var BasicRenderer = AbstractRenderer.extend({
         });
         delete this.defs;
 
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
 
     //--------------------------------------------------------------------------
diff --git a/addons/web/static/src/js/views/basic/basic_view.js b/addons/web/static/src/js/views/basic/basic_view.js
index 313bed44708..008bbcf8775 100644
--- a/addons/web/static/src/js/views/basic/basic_view.js
+++ b/addons/web/static/src/js/views/basic/basic_view.js
@@ -93,7 +93,7 @@ var BasicView = AbstractView.extend({
      *
      * @override
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _loadData: function (model) {
         if (this.recordID) {
@@ -195,7 +195,7 @@ var BasicView = AbstractView.extend({
                     }
                 });
             }
-            return $.when(def).then(function () {
+            return Promise.resolve(def).then(function () {
                 return model.get(record.id);
             });
         }
diff --git a/addons/web/static/src/js/views/calendar/calendar_controller.js b/addons/web/static/src/js/views/calendar/calendar_controller.js
index 0934ae462b3..fa41706de2b 100644
--- a/addons/web/static/src/js/views/calendar/calendar_controller.js
+++ b/addons/web/static/src/js/views/calendar/calendar_controller.js
@@ -143,7 +143,7 @@ var CalendarController = AbstractController.extend({
      *
      * @private
      * @param {string} to either 'prev', 'next' or 'today'
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _move: function (to) {
         this.model[to]();
@@ -153,7 +153,7 @@ var CalendarController = AbstractController.extend({
      * @private
      * @param {Object} record
      * @param {integer} record.id
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _updateRecord: function (record) {
         return this.model.updateRecord(record).then(this.reload.bind(this, {}));
@@ -388,18 +388,18 @@ var CalendarController = AbstractController.extend({
                 self.quick.destroy();
                 self.quick = null;
                 self.reload();
+                self.quickCreating = false;
             })
-            .fail(function (error, errorEvent) {
+            .guardedCatch(function (result) {
+                var errorEvent = result.event;
                 // This will occurs if there are some more fields required
                 // Preventdefaulting the error event will prevent the traceback window
                 errorEvent.preventDefault();
                 event.data.options.disableQuickCreate = true;
                 event.data.data.on_save = self.quick.destroy.bind(self.quick);
                 self._onOpenCreate(event.data);
-            })
-            .always(function () {
                 self.quickCreating = false;
-            });
+            })
     },
     /**
      * Called when we want to open or close the sidebar.
diff --git a/addons/web/static/src/js/views/calendar/calendar_model.js b/addons/web/static/src/js/views/calendar/calendar_model.js
index aaf52057ad6..9d8cf04f30f 100644
--- a/addons/web/static/src/js/views/calendar/calendar_model.js
+++ b/addons/web/static/src/js/views/calendar/calendar_model.js
@@ -177,7 +177,7 @@ return AbstractModel.extend({
     /**
      * @override
      * @param {any} params
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     load: function (params) {
         var self = this;
@@ -199,15 +199,18 @@ return AbstractModel.extend({
 
         // fields to display color, e.g.: user_id.partner_id
         this.fieldColor = params.fieldColor;
-        if (!this.preload_def) {
-            this.preload_def = $.Deferred();
-            $.when(
-                this._rpc({model: this.modelName, method: 'check_access_rights', args: ["write", false]}),
-                this._rpc({model: this.modelName, method: 'check_access_rights', args: ["create", false]}))
-            .then(function (write, create) {
-                self.write_right = write;
-                self.create_right = create;
-                self.preload_def.resolve();
+        if (!this.preloadPromise) {
+            this.preloadPromise = new Promise(function (resolve, reject) {
+                Promise.all([
+                    self._rpc({model: self.modelName, method: 'check_access_rights', args: ["write", false]}),
+                    self._rpc({model: self.modelName, method: 'check_access_rights', args: ["create", false]})
+                ]).then(function (result) {
+                    var write = result[0];
+                    var create = result[1];
+                    self.write_right = write;
+                    self.create_right = create;
+                    resolve();
+                }).guardedCatch(reject);
             });
         }
 
@@ -229,7 +232,7 @@ return AbstractModel.extend({
             }
         });
 
-        return this.preload_def.then(this._loadCalendar.bind(this));
+        return this.preloadPromise.then(this._loadCalendar.bind(this));
     },
     /**
      * Move the current date range to the next period
@@ -247,7 +250,7 @@ return AbstractModel.extend({
      * @override
      * @param {Object} [params.context]
      * @param {Array} [params.domain]
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     reload: function (handle, params) {
         if (params.domain) {
@@ -308,7 +311,7 @@ return AbstractModel.extend({
     /**
      * @param {Object} record
      * @param {integer} record.id
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     updateRecord: function (record) {
         // Cannot modify actual name yet
@@ -430,7 +433,7 @@ return AbstractModel.extend({
     },
     /**
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _loadCalendar: function () {
         var self = this;
@@ -439,7 +442,7 @@ return AbstractModel.extend({
 
         var defs = _.map(this.data.filters, this._loadFilter.bind(this));
 
-        return $.when.apply($, defs).then(function () {
+        return Promise.all(defs).then(function () {
             return self._rpc({
                     model: self.modelName,
                     method: 'search_read',
@@ -450,10 +453,10 @@ return AbstractModel.extend({
             .then(function (events) {
                 self._parseServerData(events);
                 self.data.data = _.map(events, self._recordToCalendarEvent.bind(self));
-                return $.when(
+                return Promise.all([
                     self._loadColors(self.data, self.data.data),
                     self._loadRecordsToFilters(self.data, self.data.data)
-                );
+                ]);
             });
         });
     },
@@ -461,7 +464,7 @@ return AbstractModel.extend({
      * @private
      * @param {any} element
      * @param {any} events
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _loadColors: function (element, events) {
         if (this.fieldColor) {
@@ -472,16 +475,16 @@ return AbstractModel.extend({
             });
             this.model_color = this.fields[fieldName].relation || element.model;
         }
-        return $.Deferred().resolve();
+        return Promise.resolve();
     },
     /**
      * @private
      * @param {any} filter
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _loadFilter: function (filter) {
         if (!filter.write_model) {
-            return $.when();
+            return Promise.resolve();
         }
 
         var field = this.fields[filter.fieldName];
@@ -540,7 +543,7 @@ return AbstractModel.extend({
      * @private
      * @param {any} element
      * @param {any} events
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _loadRecordsToFilters: function (element, events) {
         var self = this;
@@ -608,7 +611,7 @@ return AbstractModel.extend({
                     to_read[model] = _.object(res);
                 }));
         });
-        return $.when.apply($, defs).then(function () {
+        return Promise.all(defs).then(function () {
             _.each(self.data.filters, function (filter) {
                 if (filter.write_model) {
                     return;
diff --git a/addons/web/static/src/js/views/calendar/calendar_renderer.js b/addons/web/static/src/js/views/calendar/calendar_renderer.js
index 0ea7d60b1ce..c66b7bcc665 100644
--- a/addons/web/static/src/js/views/calendar/calendar_renderer.js
+++ b/addons/web/static/src/js/views/calendar/calendar_renderer.js
@@ -85,7 +85,7 @@ var SidebarFilter = Widget.extend(FieldManagerMixin, {
             });
             defs.push(def);
         }
-        return $.when.apply($, defs);
+        return Promise.all(defs);
 
     },
     /**
@@ -193,7 +193,7 @@ return AbstractRenderer.extend({
     },
     /**
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         this._initSidebar();
@@ -460,7 +460,7 @@ return AbstractRenderer.extend({
      *
      * @override method from AbstractRenderer
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _render: function () {
         var $calendar = this.$calendar;
@@ -504,7 +504,7 @@ return AbstractRenderer.extend({
         this.$sidebar_container.toggleClass('o_sidebar_hidden', fullWidth);
         this.$sidebar.toggleClass('o_hidden', fullWidth);
 
-        this._renderFilters();
+        var filterProm = this._renderFilters();
         this.$calendar.appendTo('body');
         if (scrollTop) {
             this.$calendar.fullCalendar('reinitView');
@@ -514,7 +514,7 @@ return AbstractRenderer.extend({
         this._renderEvents();
         this.$calendar.prependTo(this.$('.o_calendar_view'));
 
-        return this._super.apply(this, arguments);
+        return Promise.all([filterProm, this._super.apply(this, arguments)]);
     },
     /**
      * Render all events
@@ -529,25 +529,47 @@ return AbstractRenderer.extend({
      * Render all filters
      *
      * @private
+     * @returns {Promise} resolved when all filters have been rendered
      */
     _renderFilters: function () {
-        var self = this;
         _.each(this.filters || (this.filters = []), function (filter) {
             filter.destroy();
         });
         if (this.state.fullWidth) {
             return;
         }
-        _.each(this.state.filters, function (options) {
+        return this._renderFiltersOneByOne();
+    },
+    /**
+     * Renders each filter one by one, waiting for the first filter finished to
+     * be rendered and appended to render the next one.
+     * We need to do like this since render a filter is asynchronous, we don't
+     * know which one will be appened at first and we want tp force them to be
+     * rendered in order.
+     *
+     * @param {number} filterIndex if not set, 0 by default
+     * @returns {Promise} resolved when all filters have been rendered
+     */
+    _renderFiltersOneByOne: function (filterIndex) {
+        filterIndex = filterIndex || 0;
+        var arrFilters = _.toArray(this.state.filters);
+        var prom;
+        if (filterIndex < arrFilters.length) {
+            var options = arrFilters[filterIndex];
             if (!_.find(options.filters, function (f) {return f.display == null || f.display;})) {
                 return;
             }
-            options.getColor = self.getColor.bind(self);
-            options.fields = self.state.fields;
+
+            var self = this;
+            options.getColor = this.getColor.bind(this);
+            options.fields = this.state.fields;
             var filter = new SidebarFilter(self, options);
-            filter.appendTo(self.$sidebar);
-            self.filters.push(filter);
-        });
+            prom = filter.appendTo(this.$sidebar).then(function () {
+                return self._renderFiltersOneByOne(filterIndex + 1);
+            });
+            this.filters.push(filter);
+        }
+        return Promise.resolve(prom);
     },
 
     //--------------------------------------------------------------------------
diff --git a/addons/web/static/src/js/views/control_panel/control_panel_controller.js b/addons/web/static/src/js/views/control_panel/control_panel_controller.js
index 40b1c45b9c7..913c226ba85 100644
--- a/addons/web/static/src/js/views/control_panel/control_panel_controller.js
+++ b/addons/web/static/src/js/views/control_panel/control_panel_controller.js
@@ -63,14 +63,14 @@ var ControlPanelController = mvc.Controller.extend({
     },
     /**
      * @param {Object} state a ControlPanelModel state
-     * @returns {Deferred<Object>} the result of `getSearchState`
+     * @returns {Promise<Object>} the result of `getSearchState`
      */
     importState: function (state) {
         var defs = [];
         this.model.importState(state);
         defs.push(this.getSearchQuery());
         defs.push(this.renderer.updateState(this.model.get()));
-        return $.when(defs).then(function (defsResults) {
+        return Promise.all(defs).then(function (defsResults) {
             return defsResults[0];
         });
     },
@@ -127,7 +127,7 @@ var ControlPanelController = mvc.Controller.extend({
     },
     /**
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _reportNewQueryAndRender: function () {
         this.trigger_up('search', this.model.getQuery());
diff --git a/addons/web/static/src/js/views/control_panel/control_panel_model.js b/addons/web/static/src/js/views/control_panel/control_panel_model.js
index e59dbfb1036..ad0d80de7a3 100644
--- a/addons/web/static/src/js/views/control_panel/control_panel_model.js
+++ b/addons/web/static/src/js/views/control_panel/control_panel_model.js
@@ -325,7 +325,7 @@ var ControlPanelModel = mvc.Model.extend({
      * @param {string[]} [params.searchMenuTypes=[]]
      * @param {Object} [params.timeRanges]
      * @param {boolean} [params.withSearchBar]
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     load: function (params) {
         var self = this;
@@ -337,11 +337,11 @@ var ControlPanelModel = mvc.Model.extend({
             // and the info comming from arch put in params.groups (if any)
             // will be lost. This is not a problem because the state
             // won't be use elsewhere.
-            return $.when();
+            return Promise.resolve();
         }
         if (params.initialState) {
             this.importState(params.initialState);
-            return $.when();
+            return Promise.resolve();
         } else {
             var groups = params.groups || [];
             groups.forEach(function (group) {
@@ -351,7 +351,7 @@ var ControlPanelModel = mvc.Model.extend({
                 this._createEmptyGroup('groupBy');
             }
             this._createGroupOfTimeRanges();
-            return $.when.apply($, self._loadSearchDefaults()).then(function () {
+            return Promise.all(self._loadSearchDefaults()).then(function () {
                 return self._loadFavorites().then(function () {
                     if (self.query.length === 0) {
                         self._activateDefaultFilters();
@@ -910,7 +910,7 @@ var ControlPanelModel = mvc.Model.extend({
      * if this.activateDefaultFavorite is true.
      *
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _loadFavorites: function () {
         var self = this;
@@ -980,7 +980,7 @@ var ControlPanelModel = mvc.Model.extend({
      * is asynchronous.
      *
      * @private
-     * @returns {Deferred[]}
+     * @returns {Promise[]}
      */
     _loadSearchDefaults: function () {
         var self = this;
@@ -1044,7 +1044,7 @@ var ControlPanelModel = mvc.Model.extend({
      *
      * @private
      * @param {Object} favorite
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _saveQuery: function (favorite) {
         var self = this;
diff --git a/addons/web/static/src/js/views/control_panel/control_panel_renderer.js b/addons/web/static/src/js/views/control_panel/control_panel_renderer.js
index fd9037cdf6f..a1da2925eb6 100644
--- a/addons/web/static/src/js/views/control_panel/control_panel_renderer.js
+++ b/addons/web/static/src/js/views/control_panel/control_panel_renderer.js
@@ -86,7 +86,7 @@ var ControlPanelRenderer = Renderer.extend({
 
         var superDef = this._super.apply(this, arguments);
         var searchDef = this._renderSearch();
-        return $.when(superDef, searchDef).then(function () {
+        return Promise.all([superDef, searchDef]).then(function () {
             self._setSearchMenusVisibility();
         });
     },
@@ -148,7 +148,7 @@ var ControlPanelRenderer = Renderer.extend({
      * Update the state of the renderer state. It retriggers a full rerendering.
      *
      * @param {Object} state
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     updateState: function (state) {
         this.state = state;
@@ -261,7 +261,7 @@ var ControlPanelRenderer = Renderer.extend({
      * Renderer the search bar and the search menus
      *
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _renderSearch: function () {
         var defs = [];
@@ -274,11 +274,11 @@ var ControlPanelRenderer = Renderer.extend({
         if (this.withSearchBar) {
             defs.push(this._renderSearchBar());
         }
-        return $.when(this, defs).then(this._focusSearchInput.bind(this));
+        return Promise.all(defs).then(this._focusSearchInput.bind(this));
     },
     /**
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _renderSearchBar: function () {
         // TODO: might need a reload instead of a destroy/instantiate
@@ -315,7 +315,7 @@ var ControlPanelRenderer = Renderer.extend({
      *
      * @private
      * @param {string} menuType
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _setupMenu: function (menuType) {
         var Menu;
@@ -345,7 +345,7 @@ var ControlPanelRenderer = Renderer.extend({
      * Instantiate the search menu determined by this.searchMenuTypes.
      *
      * @private
-     * @returns {Deferred[]}
+     * @returns {Promise[]}
      */
     _setupMenus: function () {
         this.$subMenus = this._getSubMenusPlace();
diff --git a/addons/web/static/src/js/views/control_panel/search/filter_menu.js b/addons/web/static/src/js/views/control_panel/search/filter_menu.js
index 04f333b37c4..4ded35cfecc 100644
--- a/addons/web/static/src/js/views/control_panel/search/filter_menu.js
+++ b/addons/web/static/src/js/views/control_panel/search/filter_menu.js
@@ -67,14 +67,14 @@ var FilterMenu = DropdownMenu.extend({
      * Add a proposition inside the custom filter edition menu.
      *
      * @private
-     * @returns {$.Deferred}
+     * @returns {Promise}
      */
     _appendProposition: function () {
         // make modern sear_filters code!!! It works but...
         var prop = new search_filters.ExtendedSearchProposition(this, this.fields);
         this.propositions.push(prop);
         this.$('.o_apply_filter').prop('disabled', false);
-        prop.insertBefore(this.$addFilterMenu);
+        return prop.insertBefore(this.$addFilterMenu);
     },
     /**
      * Confirm a filter proposition, creates it and add it to the menu.
diff --git a/addons/web/static/src/js/views/control_panel/search/search_bar.js b/addons/web/static/src/js/views/control_panel/search/search_bar.js
index 77d6d7fa5e9..4c2e71a378f 100644
--- a/addons/web/static/src/js/views/control_panel/search/search_bar.js
+++ b/addons/web/static/src/js/views/control_panel/search/search_bar.js
@@ -46,7 +46,7 @@ var SearchBar = Widget.extend({
             defs.push(self._renderFacet(facet));
         });
         defs.push(this._setupAutoCompletion());
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
 
     //--------------------------------------------------------------------------
@@ -116,18 +116,21 @@ var SearchBar = Widget.extend({
      * @param {Function} callback
      */
     _getAutoCompleteSources: function (req, callback) {
-        var defs = _.invoke(this.autoCompleteSources, 'getAutocompletionValues', req.term);
-        $.when.apply($, defs).then(function () {
-            callback(_(arguments).chain()
+        var defs = this.autoCompleteSources.map(function (source) {
+            return source.getAutocompletionValues(req.term);
+        });
+        Promise.all(defs).then(function (result) {
+            var resultCleaned = _(result).chain()
                 .compact()
                 .flatten(true)
-                .value());
-            });
+                .value();
+            callback(resultCleaned);
+        });
     },
     /**
      * @private
      * @param {Object} facet
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _renderFacet: function (facet) {
         var searchFacet = new SearchFacet(this, facet);
@@ -136,7 +139,7 @@ var SearchBar = Widget.extend({
     },
     /**
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _setupAutoCompletion: function () {
         var self = this;
diff --git a/addons/web/static/src/js/views/control_panel/search/search_bar_autocomplete_sources.js b/addons/web/static/src/js/views/control_panel/search/search_bar_autocomplete_sources.js
index f1ac0ee0f2e..8adc385a789 100644
--- a/addons/web/static/src/js/views/control_panel/search/search_bar_autocomplete_sources.js
+++ b/addons/web/static/src/js/views/control_panel/search/search_bar_autocomplete_sources.js
@@ -32,7 +32,7 @@ var FilterInterface = Class.extend(mixins.EventDispatcherMixin, {
      * label. They will be used by search_bar in @_onAutoCompleteSelected.
      *
      * @param {string} value value to getAutocompletionValues
-     * @returns {Deferred<null|Array>}
+     * @returns {Promise<null|Array>}
      */
     getAutocompletionValues: function (value) {
         var result;
@@ -46,7 +46,7 @@ var FilterInterface = Class.extend(mixins.EventDispatcherMixin, {
                 },
             }];
         }
-        return $.when(result);
+        return Promise.resolve(result);
     },
 });
 
@@ -83,7 +83,7 @@ var Field = FilterInterface.extend(ServicesMixin, {
      * @override
      */
     getAutocompletionValues: function (value) {
-        return $.when([{
+        return Promise.resolve([{
             label: this._getAutocompletionLabel(value),
             facet: this._getFacetValue(value),
         }]);
@@ -194,7 +194,7 @@ var CharField = Field.extend({
      * @override
      */
     getAutocompletionValues: function (value) {
-        if (_.isEmpty(value)) { return $.when(null); }
+        if (_.isEmpty(value)) { return Promise.resolve(null); }
         return this._super.apply(this, arguments);
     },
 });
@@ -210,7 +210,7 @@ var NumberField = Field.extend({
      */
     getAutocompletionValues: function (value) {
         var val = this.parse(value);
-        if (isNaN(val)) { return $.when(); }
+        if (isNaN(val)) { return Promise.resolve(); }
         return this._super.apply(this, arguments);
     },
 });
@@ -261,8 +261,8 @@ var SelectionField = Field.extend({
                     facet: self._getFacetValue(sel)
                 };
             }).value();
-        if (_.isEmpty(results)) { return $.when(null); }
-        return $.when.call(null, [{
+        if (_.isEmpty(results)) { return Promise.resolve(null); }
+        return Promise.resolve([{
             label: _.escape(this.attrs.string)
         }].concat(results));
     },
@@ -310,15 +310,15 @@ var DateField = Field.extend({
             t = (this.attrs && this.attrs.type === 'datetime') ? 'datetime' : 'date';
             v = field_utils.parse[t](value, {type: t}, {timezone: true});
         } catch (e) {
-            return $.when(null);
+            return Promise.resolve(null);
         }
 
         var m = moment(v, t === 'datetime' ? 'YYYY-MM-DD HH:mm:ss' : 'YYYY-MM-DD');
-        if (!m.isValid()) { return $.when(null); }
+        if (!m.isValid()) { return Promise.resolve(null); }
         var dateString = field_utils.format[t](m, {type: t});
         var label = this._getAutocompletionLabel(dateString);
         var facet = this._getFacetValue(dateString, m.toDate());
-        return $.when([{
+        return Promise.resolve([{
             label: label,
             facet: facet,
         }]);
@@ -379,9 +379,9 @@ var ManyToOneField = CharField.extend({
      * @override
      */
     getAutocompletionValues: function (value) {
-        if (_.isEmpty(value)) { return $.when(null); }
+        if (_.isEmpty(value)) { return Promise.resolve(null); }
         var label = this._getAutocompletionLabel(value);
-        return $.when([{
+        return Promise.resolve([{
             label: label,
             facet: this._getFacetValue(value),
             expand: this._expand.bind(this),
diff --git a/addons/web/static/src/js/views/control_panel/search/search_filters.js b/addons/web/static/src/js/views/control_panel/search/search_filters.js
index 80a9019c02d..ae0ed12772e 100644
--- a/addons/web/static/src/js/views/control_panel/search/search_filters.js
+++ b/addons/web/static/src/js/views/control_panel/search/search_filters.js
@@ -40,7 +40,9 @@ var ExtendedSearchProposition = Widget.extend({
         this.value = null;
     },
     start: function () {
-        return this._super().done(this.proxy('changed'));
+        var parent =  this._super();
+        parent.then(this.proxy('changed'));
+        return parent;
     },
     changed: function () {
         var nval = this.$(".o_searchview_extended_prop_field").val();
@@ -234,10 +236,10 @@ var DateTime = Field.extend({
         return str;
     },
     start: function () {
-        return $.when(
+        return Promise.all([
             this._super.apply(this, arguments),
             this._create_new_widget("datewidget_0")
-        );
+        ]);
     },
     _create_new_widget: function (name) {
         this[name] = new (this._get_widget_class())(this);
diff --git a/addons/web/static/src/js/views/field_manager_mixin.js b/addons/web/static/src/js/views/field_manager_mixin.js
index bc61e92a89a..99aabc6e66d 100644
--- a/addons/web/static/src/js/views/field_manager_mixin.js
+++ b/addons/web/static/src/js/views/field_manager_mixin.js
@@ -41,7 +41,7 @@ var FieldManagerMixin = {
      * @param {string} dataPointID
      * @param {Object} changes
      * @param {OdooEvent} event
-     * @returns {Deferred} resolves when the change has been done, and the UI
+     * @returns {Promise} resolves when the change has been done, and the UI
      *   updated
      */
     _applyChanges: function (dataPointID, changes, event) {
@@ -66,10 +66,10 @@ var FieldManagerMixin = {
      * @param {string} id basicModel Id for the changed record
      * @param {string[]} fields the fields (names) that have been changed
      * @param {OdooEvent} event the event that triggered the change
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _confirmChange: function (id, fields, event) {
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * This method will be called whenever a save has been triggered by a change
@@ -79,10 +79,10 @@ var FieldManagerMixin = {
      * @see _onFieldChanged
      * @abstract
      * @param {string} id The basicModel ID for the saved record
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _confirmSave: function (id) {
-        return $.when();
+        return Promise.resolve();
     },
 
     //--------------------------------------------------------------------------
@@ -103,9 +103,9 @@ var FieldManagerMixin = {
         // subrecord's form view), otherwise it bubbles up to the main form view
         // but its model doesn't have any data related to the given dataPointID
         event.stopPropagation();
-        this._applyChanges(event.data.dataPointID, event.data.changes, event)
-            .done(event.data.onSuccess || function () {})
-            .fail(event.data.onFailure || function () {});
+        return this._applyChanges(event.data.dataPointID, event.data.changes, event)
+            .then(event.data.onSuccess || function () {})
+            .guardedCatch(event.data.onFailure || function () {});
     },
     /**
      * Some widgets need to trigger a reload of their data.  For example, a
diff --git a/addons/web/static/src/js/views/form/form_controller.js b/addons/web/static/src/js/views/form/form_controller.js
index d0400ef041f..5616a5099bc 100644
--- a/addons/web/static/src/js/views/form/form_controller.js
+++ b/addons/web/static/src/js/views/form/form_controller.js
@@ -84,7 +84,7 @@ var FormController = BasicController.extend({
      * @todo make record creation a basic controller feature
      * @param {string} [parentID] if given, the parentID will be used as parent
      *                            for the new record.
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     createRecord: function (parentID) {
         var self = this;
@@ -165,20 +165,23 @@ var FormController = BasicController.extend({
      * @override method from BasicController
      * @param {jQueryElement} $node
      * @param {Object} options
+     * @returns {Promise}
      */
     renderPager: function ($node, options) {
         options = _.extend({}, options, {
             validate: this.canBeDiscarded.bind(this),
         });
-        this._super($node, options);
+        return this._super($node, options);
     },
     /**
      * Instantiate and render the sidebar if a sidebar is requested
      * Sets this.sidebar
      * @param {jQuery} [$node] a jQuery node where the sidebar should be
      *   inserted
+     * @return {Promise}
      **/
     renderSidebar: function ($node) {
+        var self = this;
         if (this.hasSidebar) {
             var otherItems = [];
             if (this.is_action_enabled('delete')) {
@@ -203,11 +206,12 @@ var FormController = BasicController.extend({
                 },
                 actions: _.extend(this.toolbarActions, {other: otherItems}),
             });
-            this.sidebar.appendTo($node);
-
-            // Show or hide the sidebar according to the view mode
-            this._updateSidebar();
+            return this.sidebar.appendTo($node).then(function() {
+                 // Show or hide the sidebar according to the view mode
+                self._updateSidebar();
+            });
         }
+        return Promise.resolve();
     },
     /**
      * Show a warning message if the user modified a translated field.  For each
@@ -296,7 +300,7 @@ var FormController = BasicController.extend({
      * @private
      * @override method from field manager mixin
      * @param {string} id - id of the previously changed record
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _confirmSave: function (id) {
         if (id === this.handle) {
@@ -393,14 +397,19 @@ var FormController = BasicController.extend({
      * @override
      * @private
      * @param {Object} state
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _update: function () {
-        var title = this.getTitle();
-        this._setTitle(title);
-        this._updateButtons();
-        this._updateSidebar();
-        return this._super.apply(this, arguments).then(this.autofocus.bind(this));
+        var self = this;
+
+        return this._super.apply(this, arguments).then(function() {
+            var title = self.getTitle();
+            self._setTitle(title);
+            self._updateButtons();
+            self._updateSidebar();
+
+            self.autofocus();
+        });
     },
     /**
      * @private
@@ -470,13 +479,11 @@ var FormController = BasicController.extend({
         }
         var attrs = ev.data.attrs;
         if (attrs.confirm) {
-            var d = $.Deferred();
-            Dialog.confirm(this, attrs.confirm, {
-                confirm_callback: saveAndExecuteAction,
-            }).on("closed", null, function () {
-                d.resolve();
+            def = new Promise(function (resolve, reject) {
+                Dialog.confirm(this, attrs.confirm, {
+                    confirm_callback: saveAndExecuteAction,
+                }).on("closed", null, resolve);
             });
-            def = d.promise();
         } else if (attrs.special === 'cancel') {
             def = this._callButtonAction(attrs, ev.data.record);
         } else if (!attrs.special || attrs.special === 'save') {
@@ -484,7 +491,7 @@ var FormController = BasicController.extend({
             def = saveAndExecuteAction();
         }
 
-        def.always(this._enableButtons.bind(this));
+        def.then(this._enableButtons.bind(this)).guardedCatch(this._enableButtons.bind(this));
     },
     /**
      * Called when the user wants to create a new record -> @see createRecord
@@ -659,9 +666,7 @@ var FormController = BasicController.extend({
         ev.stopPropagation(); // Prevent x2m lines to be auto-saved
         var self = this;
         this._disableButtons();
-        this.saveRecord().always(function () {
-            self._enableButtons();
-        });
+        this.saveRecord().then(this._enableButtons.bind(this)).guardedCatch(this._enableButtons.bind(this));
     },
     /**
      * Called when user swipes left. Move to next record.
diff --git a/addons/web/static/src/js/views/form/form_renderer.js b/addons/web/static/src/js/views/form/form_renderer.js
index ca26d7e90ad..97ab575cbc3 100644
--- a/addons/web/static/src/js/views/form/form_renderer.js
+++ b/addons/web/static/src/js/views/form/form_renderer.js
@@ -251,7 +251,7 @@ var FormRenderer = BasicRenderer.extend({
      * @param {string} [params.mode] new mode, either 'edit' or 'readonly'
      * @param {string[]} [params.fieldNames] if given, the renderer will only
      *   update the fields in this list
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     updateState: function (state, params) {
         this.mode = (params && 'mode' in params) ? params.mode : this.mode;
@@ -342,8 +342,8 @@ var FormRenderer = BasicRenderer.extend({
      * @private
      */
     _postProcessField: function (widget, node) {
+        this._super.apply(this, arguments);
         this._setIDForLabel(widget, this._getIDForLabel(node.attrs.name));
-        this._handleAttributes(widget.$el, node);
         if (JSON.parse(node.attrs.default_focus || "0")) {
             this.defaultFocusField = widget;
         }
@@ -355,7 +355,14 @@ var FormRenderer = BasicRenderer.extend({
      */
     _renderButtonBox: function (node) {
         var self = this;
-        var $result = $('<' + node.tag + '>', { 'class': 'o_not_full' });
+        var $result = $('<' + node.tag + '>', {class: 'o_not_full'});
+
+        // The rendering of buttons may be async (see renderFieldWidget), so we
+        // must wait for the buttons to be ready (and their modifiers to be
+        // applied) before manipulating them, as we check if they are visible or
+        // not. To do so, we extract from this.defs the promises corresponding
+        // to the buttonbox buttons, and wait for them to be resolved.
+        var nextDefIndex = this.defs.length;
         var buttons = _.map(node.children, function (child) {
             if (child.tag === 'button') {
                 return self._renderStatButton(child);
@@ -363,48 +370,62 @@ var FormRenderer = BasicRenderer.extend({
                 return self._renderNode(child);
             }
         });
-        var buttons_partition = _.partition(buttons, function ($button) {
-            return $button.is('.o_invisible_modifier');
+
+        // At this point, each button is an empty div that will be replaced by
+        // the real $el of the button when it is ready (with replaceWith).
+        // However, this only works if the empty div is appended somewhere, so
+        // we here append them into a wrapper, and unwrap them once they have
+        // been replaced.
+        var $tempWrapper = $('<div>');
+        _.each(buttons, function ($button) {
+            $button.appendTo($tempWrapper);
         });
-        var invisible_buttons = buttons_partition[0];
-        var visible_buttons = buttons_partition[1];
+        var defs = this.defs.slice(nextDefIndex);
+        Promise.all(defs).then(function () {
+            buttons = $tempWrapper.children();
+            var buttons_partition = _.partition(buttons, function (button) {
+                return $(button).is('.o_invisible_modifier');
+            });
+            var invisible_buttons = buttons_partition[0];
+            var visible_buttons = buttons_partition[1];
 
-        // Get the unfolded buttons according to window size
-        var nb_buttons = [2, 2, 4, 6][config.device.size_class] || 7;
-        var unfolded_buttons = visible_buttons.slice(0, nb_buttons).concat(invisible_buttons);
+            // Get the unfolded buttons according to window size
+            var nb_buttons = [2, 2, 4, 6][config.device.size_class] || 7;
+            var unfolded_buttons = visible_buttons.slice(0, nb_buttons).concat(invisible_buttons);
 
-        // Get the folded buttons
-        var folded_buttons = visible_buttons.slice(nb_buttons);
-        if (folded_buttons.length === 1) {
-            unfolded_buttons = buttons;
-            folded_buttons = [];
-        }
+            // Get the folded buttons
+            var folded_buttons = visible_buttons.slice(nb_buttons);
+            if (folded_buttons.length === 1) {
+                unfolded_buttons = buttons;
+                folded_buttons = [];
+            }
 
-        // Toggle class to tell if the button box is full (CSS requirement)
-        var full = (visible_buttons.length > nb_buttons);
-        $result.toggleClass('o_full', full).toggleClass('o_not_full', !full);
+            // Toggle class to tell if the button box is full (CSS requirement)
+            var full = (visible_buttons.length > nb_buttons);
+            $result.toggleClass('o_full', full).toggleClass('o_not_full', !full);
 
-        // Add the unfolded buttons
-        _.each(unfolded_buttons, function ($button) {
-            $button.appendTo($result);
-        });
+            // Add the unfolded buttons
+            _.each(unfolded_buttons, function (button) {
+                $(button).appendTo($result);
+            });
 
-        // Add the dropdown with folded buttons if any
-        if (folded_buttons.length) {
-            $result.append(dom.renderButton({
-                attrs: {
-                    class: 'oe_stat_button o_button_more dropdown-toggle',
-                    'data-toggle': 'dropdown',
-                },
-                text: _t("More"),
-            }));
+            // Add the dropdown with folded buttons if any
+            if (folded_buttons.length) {
+                $result.append(dom.renderButton({
+                    attrs: {
+                        'class': 'oe_stat_button o_button_more dropdown-toggle',
+                        'data-toggle': 'dropdown',
+                    },
+                    text: _t("More"),
+                }));
 
-            var $dropdown = $("<div>", {'class': "dropdown-menu o_dropdown_more", role: "menu"});
-            _.each(folded_buttons, function ($button) {
-                $button.addClass('dropdown-item').appendTo($dropdown);
-            });
-            $dropdown.appendTo($result);
-        }
+                var $dropdown = $("<div>", {class: "dropdown-menu o_dropdown_more", role: "menu"});
+                _.each(folded_buttons, function (button) {
+                    $(button).addClass('dropdown-item').appendTo($dropdown);
+                });
+                $dropdown.appendTo($result);
+            }
+        });
 
         this._handleAttributes($result, node);
         this._registerModifiers(node, this.state, $result);
@@ -477,6 +498,7 @@ var FormRenderer = BasicRenderer.extend({
     _renderInnerGroup: function (node) {
         var self = this;
         var $result = $('<table/>', {class: 'o_group o_inner_group'});
+        var $tbody = $('<tbody />').appendTo($result);
         this._handleAttributes($result, node);
         this._registerModifiers(node, this.state, $result);
 
@@ -490,7 +512,7 @@ var FormRenderer = BasicRenderer.extend({
         var rows = [];
         var $currentRow = $('<tr/>');
         var currentColspan = 0;
-        _.each(node.children, function (child) {
+        node.children.forEach(function (child) {
             if (child.tag === 'newline') {
                 rows.push($currentRow);
                 $currentRow = $('<tr/>');
@@ -537,7 +559,7 @@ var FormRenderer = BasicRenderer.extend({
                 var $el = $(el);
                 $el.css('width', ((parseInt($el.attr('colspan'), 10) || 1) * nonLabelColSize) + '%');
             });
-            $result.append($tr);
+            $tbody.append($tr);
         });
 
         return $result;
@@ -575,7 +597,7 @@ var FormRenderer = BasicRenderer.extend({
      *
      * For fields, it will return the $el of the field widget. Note that this
      * method is synchronous, field widgets are instantiated and appended, but
-     * if they are asynchronous, they register their deferred in this.defs, and
+     * if they are asynchronous, they register their promises in this.defs, and
      * the _renderView method will properly wait.
      *
      * @private
@@ -705,7 +727,8 @@ var FormRenderer = BasicRenderer.extend({
         if (node.attrs.class) {
             $result.addClass(node.attrs.class);
         }
-        $result.append(_.map(node.children, this._renderNode.bind(this)));
+        var allNodes = node.children.map(this._renderNode.bind(this));
+        $result.append(allNodes);
         return $result;
     },
     /**
@@ -870,7 +893,7 @@ var FormRenderer = BasicRenderer.extend({
     _renderTagSheet: function (node) {
         this.has_sheet = true;
         var $sheet = $('<div>', {class: 'clearfix o_form_sheet'});
-        $sheet.append(_.map(node.children, this._renderNode.bind(this)));
+        $sheet.append(node.children.map(this._renderNode.bind(this)));
         return $sheet;
     },
     /**
@@ -885,12 +908,12 @@ var FormRenderer = BasicRenderer.extend({
     },
     /**
      * Main entry point for the rendering.  From here, we call _renderNode on
-     * the root of the arch, then, when every deferred (from the field widgets)
+     * the root of the arch, then, when every promise (from the field widgets)
      * are done, it will resolves itself.
      *
      * @private
      * @override method from BasicRenderer
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _renderView: function () {
         var self = this;
@@ -901,17 +924,17 @@ var FormRenderer = BasicRenderer.extend({
         var $form = this._renderNode(this.arch).addClass(this.className);
         delete this.defs;
 
-        return $.when.apply($, defs).then(function () {
+        return Promise.all(defs).then(function () {
             self._updateView($form.contents());
             if (self.state.res_id in self.alertFields) {
                 self.displayTranslationAlert();
             }
-        }, function () {
-            $form.remove();
         }).then(function(){
             if (self.lastActivatedFieldIndex >= 0) {
                 self._activateNextFieldWidget(self.state, self.lastActivatedFieldIndex);
             }
+        }).guardedCatch(function () {
+            $form.remove();
         });
     },
     /**
diff --git a/addons/web/static/src/js/views/form/form_view.js b/addons/web/static/src/js/views/form/form_view.js
index 5a00350c68f..0703d9713d5 100644
--- a/addons/web/static/src/js/views/form/form_view.js
+++ b/addons/web/static/src/js/views/form/form_view.js
@@ -93,7 +93,7 @@ var FormView = BasicView.extend({
      *
      * @private
      * @param {Widget} parent the parent of the model, if it has to be created
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _loadSubviews: function (parent) {
         var self = this;
@@ -145,7 +145,7 @@ var FormView = BasicView.extend({
                 }
             });
         }
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * We set here the limit for the number of records fetched (in one page).
diff --git a/addons/web/static/src/js/views/graph/graph_model.js b/addons/web/static/src/js/views/graph/graph_model.js
index 4c359a4778f..91b017524d8 100644
--- a/addons/web/static/src/js/views/graph/graph_model.js
+++ b/addons/web/static/src/js/views/graph/graph_model.js
@@ -50,7 +50,7 @@ return AbstractModel.extend({
      * @param {string[]} params.domain
      * @param {Object} params.intervalMapping object linking fieldNames with intervals.
      *   this could be useful to simplify the code. For now this parameter is not used.
-     * @returns {Deferred} The deferred does not return a handle, we don't need
+     * @returns {Promise} The promise does not return a handle, we don't need
      *   to keep track of various entities.
      */
     load: function (params) {
@@ -92,7 +92,7 @@ return AbstractModel.extend({
      * @param {string[]} [params.groupBy]
      * @param {string} [params.mode] one of 'bar', 'pie', 'line'
      * @param {string} [params.measure] a valid field name
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     reload: function (handle, params) {
         if ('context' in params) {
@@ -130,7 +130,7 @@ return AbstractModel.extend({
         }
         if ('mode' in params) {
             this.chart.mode = params.mode;
-            return $.when();
+            return Promise.resolve();
         }
         return this._loadGraph();
     },
@@ -145,7 +145,7 @@ return AbstractModel.extend({
      * in the field list, because they can be defined with an aggregation
      * function, such as my_date:week
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _loadGraph: function () {
         var groupedBy = this.chart.groupedBy;
@@ -186,7 +186,7 @@ return AbstractModel.extend({
             }).then(this._processData.bind(this, 'comparisonData')));
         }
 
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Since read_group is insane and returns its result on different keys
diff --git a/addons/web/static/src/js/views/graph/graph_renderer.js b/addons/web/static/src/js/views/graph/graph_renderer.js
index 9353301ca09..6311df5d8b2 100644
--- a/addons/web/static/src/js/views/graph/graph_renderer.js
+++ b/addons/web/static/src/js/views/graph/graph_renderer.js
@@ -99,7 +99,7 @@ return AbstractRenderer.extend({
      *
      * @override
      * @private
-     * @returns {Deferred} The _super deferred is actually resolved immediately
+     * @returns {Promise} The _super promise is actually resolved immediately
      */
     _render: function () {
         if (this.to_remove) {
diff --git a/addons/web/static/src/js/views/kanban/kanban_column.js b/addons/web/static/src/js/views/kanban/kanban_column.js
index 2828ca491ca..b4aecd7a236 100644
--- a/addons/web/static/src/js/views/kanban/kanban_column.js
+++ b/addons/web/static/src/js/views/kanban/kanban_column.js
@@ -97,10 +97,7 @@ var KanbanColumn = Widget.extend({
         this.$header = this.$('.o_kanban_header');
 
         for (var i = 0; i < this.data_records.length; i++) {
-            var def = this._addRecord(this.data_records[i]);
-            if (def.state() === 'pending') {
-                defs.push(def);
-            }
+            defs.push(this._addRecord(this.data_records[i]));
         }
 
         if (!config.device.isMobile) {
@@ -170,7 +167,7 @@ var KanbanColumn = Widget.extend({
             this.$('.o_kanban_load_more').html(QWeb.render('KanbanView.LoadMore', {widget: this}));
         }
 
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * Called when a record has been quick created, as a new column is rendered
@@ -193,7 +190,7 @@ var KanbanColumn = Widget.extend({
     /**
      * Adds the quick create record to the top of the column.
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     addQuickCreate: function () {
         if (this.folded) {
@@ -205,7 +202,7 @@ var KanbanColumn = Widget.extend({
         }
 
         if (this.quickCreateWidget) {
-            return $.Deferred().reject();
+            return Promise.reject();
         }
         this.trigger_up('close_quick_create'); // close other quick create widgets
         this.trigger_up('start_quick_create');
@@ -245,7 +242,7 @@ var KanbanColumn = Widget.extend({
      * @param {Object} [options]
      * @param {string} [options.position]
      *        'before' to add at the top, add at the bottom by default
-     * @return {Deferred}
+     * @return {Promise}
      */
     _addRecord: function (recordState, options) {
         var record = new this.KanbanRecord(this, recordState, this.record_options);
diff --git a/addons/web/static/src/js/views/kanban/kanban_controller.js b/addons/web/static/src/js/views/kanban/kanban_controller.js
index 3b41b26e015..58174c7812d 100644
--- a/addons/web/static/src/js/views/kanban/kanban_controller.js
+++ b/addons/web/static/src/js/views/kanban/kanban_controller.js
@@ -76,6 +76,7 @@ var KanbanController = BasicController.extend({
 
     /**
      * @param {jQueryElement} $node
+     * @returns {Promise}
      */
     renderButtons: function ($node) {
         if (this.hasButtons && this.is_action_enabled('create')) {
@@ -86,8 +87,9 @@ var KanbanController = BasicController.extend({
             this.$buttons.on('click', 'button.o-kanban-button-new', this._onButtonNew.bind(this));
             this.$buttons.on('keydown', this._onButtonsKeyDown.bind(this));
             this._updateButtons();
-            this.$buttons.appendTo($node);
+            return Promise.resolve(this.$buttons.appendTo($node));
         }
+        return Promise.resolve();
     },
     /**
      * Override to add the domain coming from the searchPanel (if any) to the
@@ -110,7 +112,7 @@ var KanbanController = BasicController.extend({
         params.domain = this.controlPanelDomain.concat(this.searchPanelDomain);
         var superProm = this._super.apply(this, arguments);
         var searchPanelProm = this._updateSearchPanel();
-        return $.when(superProm, searchPanelProm).then(function () {
+        return Promise.all([superProm, searchPanelProm]).then(function () {
             // searchPanel has been re-rendered, so re-render the view
             return self.renderer.render();
         });
@@ -124,7 +126,7 @@ var KanbanController = BasicController.extend({
      * @override method comes from field manager mixin
      * @private
      * @param {string} id local id from the basic record data
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _confirmSave: function (id) {
         var data = this.model.get(this.handle, {raw: true});
@@ -197,7 +199,7 @@ var KanbanController = BasicController.extend({
     /**
      * @param {number[]} ids
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _resequenceColumns: function (ids) {
         var state = this.model.get(this.handle, {raw: true});
@@ -212,7 +214,7 @@ var KanbanController = BasicController.extend({
      * @private
      * @param {string} column_id
      * @param {string[]} ids
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _resequenceRecords: function (column_id, ids) {
         var self = this;
@@ -246,7 +248,7 @@ var KanbanController = BasicController.extend({
     },
     /**
      * @private
-     * @returns {$.Promise}
+     * @returns {Promise}
      */
     _updateSearchPanel: function () {
         return this._searchPanel.update({searchDomain: this.controlPanelDomain});
@@ -296,7 +298,7 @@ var KanbanController = BasicController.extend({
                             self.renderer.updateColumn(db_id, data);
                         });
                     });
-            }).fail(this.reload.bind(this, {}));
+            }).guardedCatch(this.reload.bind(this));
     },
     /**
      * @private
@@ -400,7 +402,7 @@ var KanbanController = BasicController.extend({
         var relatedModelName = state.fields[state.groupedBy[0]].relation;
         this.model
             .deleteRecords([column.db_id], relatedModelName)
-            .done(function () {
+            .then(function () {
                 self.update({}, {reload: !column.isEmpty()});
             });
     },
@@ -415,11 +417,12 @@ var KanbanController = BasicController.extend({
         var self = this;
         this.model.loadColumnRecords(ev.data.columnID).then(function (dbID) {
             var data = self.model.get(dbID);
-            self.renderer.updateColumn(dbID, data);
-            self._updateEnv();
-            if (ev.data.onSuccess) {
-                ev.data.onSuccess();
-            }
+            return self.renderer.updateColumn(dbID, data).then(function() {
+                self._updateEnv();
+                if (ev.data.onSuccess) {
+                    ev.data.onSuccess();
+                }
+            });
         });
     },
     /**
@@ -470,8 +473,8 @@ var KanbanController = BasicController.extend({
 
         this.model.createRecordInGroup(column.db_id, values)
             .then(update)
-            .fail(function (error, ev) {
-                ev.preventDefault();
+            .guardedCatch(function (reason) {
+                reason.event.preventDefault();
                 var columnState = self.model.get(column.db_id, {raw: true});
                 var context = columnState.getContext();
                 var state = self.model.get(self.handle, {raw: true});
@@ -538,11 +541,15 @@ var KanbanController = BasicController.extend({
      *
      * @private
      * @param {OdooEvent} ev
+     * @param {function} [ev.data.onSuccess] callback to execute after applying
+     *   changes
      */
     _onUpdateRecord: function (ev) {
+        var onSuccess = ev.data.onSuccess;
+        delete ev.data.onSuccess;
         var changes = _.clone(ev.data);
         ev.data.force_save = true;
-        this._applyChanges(ev.target.db_id, changes, ev);
+        this._applyChanges(ev.target.db_id, changes, ev).then(onSuccess);
     },
     /**
      * Allow the user to archive/restore all the records of a column.
diff --git a/addons/web/static/src/js/views/kanban/kanban_model.js b/addons/web/static/src/js/views/kanban/kanban_model.js
index bfb6f5e0cc9..8b1135d3f15 100644
--- a/addons/web/static/src/js/views/kanban/kanban_model.js
+++ b/addons/web/static/src/js/views/kanban/kanban_model.js
@@ -20,7 +20,7 @@ var KanbanModel = BasicModel.extend({
      *
      * @param {string} groupID localID of the group
      * @param {integer} resId id of the record
-     * @returns {Deferred<string>} resolves to the local id of the new record
+     * @returns {Promise<string>} resolves to the local id of the new record
      */
     addRecordToGroup: function (groupID, resId) {
         var self = this;
@@ -52,7 +52,7 @@ var KanbanModel = BasicModel.extend({
      *
      * @param {string} name
      * @param {string} parentID localID of the parent of the group
-     * @returns {Deferred<string>} resolves to the local id of the new group
+     * @returns {Promise<string>} resolves to the local id of the new group
      */
     createGroup: function (name, parentID) {
         var self = this;
@@ -60,7 +60,7 @@ var KanbanModel = BasicModel.extend({
         var groupBy = parent.groupedBy[0];
         var groupByField = parent.fields[groupBy];
         if (!groupByField || groupByField.type !== 'many2one') {
-            return $.Deferred().reject(); // only supported when grouped on m2o
+            return Promise.reject(); // only supported when grouped on m2o
         }
         return this._rpc({
                 model: groupByField.relation,
@@ -99,7 +99,7 @@ var KanbanModel = BasicModel.extend({
      *
      * @param {string} groupID
      * @param {Object} values
-     * @returns {Deferred} resolved with the local id of the created record
+     * @returns {Promise} resolved with the local id of the created record
      */
     createRecordInGroup: function (groupID, values) {
         var self = this;
@@ -187,7 +187,7 @@ var KanbanModel = BasicModel.extend({
      * Opens a given group and loads its <limit> first records
      *
      * @param {string} groupID
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     loadColumnRecords: function (groupID) {
         var dataPoint = this.localData[groupID];
@@ -198,7 +198,7 @@ var KanbanModel = BasicModel.extend({
      * Load more records in a group.
      *
      * @param {string} groupID localID of the group
-     * @returns {Deferred<string>} resolves to the localID of the group
+     * @returns {Promise<string>} resolves to the localID of the group
      */
     loadMore: function (groupID) {
         var group = this.localData[groupID];
@@ -213,7 +213,7 @@ var KanbanModel = BasicModel.extend({
      * @param {string} recordID localID of the record
      * @param {string} groupID localID of the new group of the record
      * @param {string} parentID localID of the parent
-     * @returns {Deferred<string[]>} resolves to a pair [oldGroupID, newGroupID]
+     * @returns {Promise<string[]>} resolves to a pair [oldGroupID, newGroupID]
      */
     moveRecord: function (recordID, groupID, parentID) {
         var self = this;
@@ -330,7 +330,7 @@ var KanbanModel = BasicModel.extend({
     /**
      * @private
      * @param {Object} dataPoint
-     * @returns {Deferred<Object>}
+     * @returns {Promise<Object>}
      */
     _readProgressBarGroup: function (list, options) {
         var self = this;
@@ -345,7 +345,8 @@ var KanbanModel = BasicModel.extend({
                 context: list.context,
             },
         });
-        return $.when(groupsDef, progressBarDef).then(function (a, data) {
+        return Promise.all([groupsDef, progressBarDef]).then(function (results) {
+            var data = results[1];
             _.each(list.data, function (groupID) {
                 var group = self.localData[groupID];
                 group.progressBarValues = _.extend({
@@ -365,13 +366,13 @@ var KanbanModel = BasicModel.extend({
      *
      * @private
      * @param {Object} list a list of groups
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _readTooltipFields: function (list) {
         var self = this;
         var groupedByField = list.fields[list.groupedBy[0].split(':')[0]];
         if (groupedByField.type !== 'many2one') {
-            return $.when();
+            return Promise.resolve();
         }
         var groupIds = _.reduce(list.data, function (groupIds, id) {
             var res_id = self.get(id, {raw: true}).res_id;
@@ -400,16 +401,16 @@ var KanbanModel = BasicModel.extend({
                 });
             });
         }
-        return $.when();
+        return Promise.resolve();
     },
     /**
-     * Reloads all progressbar data. This is done after given deferred and
-     * insures that the given deferred's result is not lost.
+     * Reloads all progressbar data. This is done after given promise and
+     * insures that the given promise's result is not lost.
      *
      * @private
      * @param {string} recordID
-     * @param {Deferred} def
-     * @returns {Deferred}
+     * @param {Promise} def
+     * @returns {Promise}
      */
     _reloadProgressBarGroupFromRecord: function (recordID, def) {
         var element = this.localData[recordID];
diff --git a/addons/web/static/src/js/views/kanban/kanban_record.js b/addons/web/static/src/js/views/kanban/kanban_record.js
index 3dc1d6788bf..116de142b0c 100644
--- a/addons/web/static/src/js/views/kanban/kanban_record.js
+++ b/addons/web/static/src/js/views/kanban/kanban_record.js
@@ -62,7 +62,7 @@ var KanbanRecord = Widget.extend({
      * @override
      */
     start: function () {
-        return $.when(this._super.apply(this, arguments), this._render());
+        return Promise.all([this._super.apply(this, arguments), this._render()]);
     },
     /**
      * Called each time the record is attached to the DOM.
@@ -85,7 +85,7 @@ var KanbanRecord = Widget.extend({
      * Re-renders the record with a new state
      *
      * @param {Object} state
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     update: function (state) {
         // detach the widgets because the record will empty its $el, which will
@@ -147,7 +147,7 @@ var KanbanRecord = Widget.extend({
         }
         if (typeof variable === 'string') {
             var index = 0;
-            for (var i = 0 ; i < variable.length ; i++) {
+            for (var i = 0; i < variable.length; i++) {
                 index += variable.charCodeAt(i);
             }
             return index % NB_KANBAN_RECORD_COLORS;
@@ -195,7 +195,7 @@ var KanbanRecord = Widget.extend({
                 field = options.preview_image;
             var unique = this.record.__last_update && this.record.__last_update.value.replace(/[^0-9]/g, '');
             var session = this.getSession();
-            url = session.url('/web/image', {model: model, field: field, id: id, unique: unique});
+            url = session.url('/web/image', { model: model, field: field, id: id, unique: unique });
             if (cache !== undefined) {
                 // Set the cache duration in seconds.
                 url += '&cache=' + parseInt(cache, 10);
@@ -300,6 +300,7 @@ var KanbanRecord = Widget.extend({
         // field's widgets point of view
         // that dict being shared between records, we don't modify it
         // in place
+        var self = this;
         var attrs = Object.create(null);
         _.each(this.fieldsInfo[field_name], function (value, key) {
             if (_.str.startsWith(key, 't-att-')) {
@@ -308,13 +309,13 @@ var KanbanRecord = Widget.extend({
             }
             attrs[key] = value;
         });
-        var options = _.extend({}, this.options, {attrs: attrs});
+        var options = _.extend({}, this.options, { attrs: attrs });
         var widget = new Widget(this, field_name, this.state, options);
         var def = widget.replace($field);
-        if (def.state() === 'pending') {
-            this.defs.push(def);
-        }
-        this._setFieldDisplay(widget.$el, field_name);
+        this.defs.push(def);
+        def.then(function () {
+            self._setFieldDisplay(widget.$el, field_name);
+        });
         return widget;
     },
     _processWidgets: function () {
@@ -324,23 +325,23 @@ var KanbanRecord = Widget.extend({
             var Widget = widgetRegistry.get($field.attr('name'));
             var widget = new Widget(self, self.state);
 
-            var def = widget._widgetRenderAndInsert(function () {});
-            if (def.state() === 'pending') {
-                self.defs.push(def);
-            }
-            widget.$el.addClass('o_widget');
-            $field.replaceWith(widget.$el);
+            var def = widget._widgetRenderAndInsert(function () { });
+            self.defs.push(def);
+            def.then(function () {
+                $field.replaceWith(widget.$el);
+                widget.$el.addClass('o_widget');
+            });
         });
     },
     /**
      * Renders the record
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _render: function () {
         this.defs = [];
         this._replaceElement(this.qweb.render('kanban-box', this.qweb_context));
-        this.$el.addClass('o_kanban_record').attr("tabindex",0);
+        this.$el.addClass('o_kanban_record').attr("tabindex", 0);
         this.$el.attr('role', 'article');
         this.$el.data('record', this);
         if (this.$el.hasClass('oe_kanban_global_click') ||
@@ -357,9 +358,9 @@ var KanbanRecord = Widget.extend({
         this._attachTooltip();
 
         // We use boostrap tooltips for better and faster display
-        this.$('span.o_tag').tooltip({delay: {'show': 50}});
+        this.$('span.o_tag').tooltip({ delay: { 'show': 50 } });
 
-        return $.when.apply(this, this.defs);
+        return Promise.all(this.defs);
     },
     /**
      * Sets particular classnames on a field $el according to the
@@ -419,7 +420,7 @@ var KanbanRecord = Widget.extend({
             var colorHelp = _.str.sprintf(_t("Card color: %s"), this._getColorname(this.recordData[color_field]));
             var colorClass = this._getColorClassname(this.recordData[color_field]);
             this.$el.addClass(colorClass);
-            this.$el.prepend('<span title="' + colorHelp + '" aria-label="' + colorHelp +'" role="img" class="oe_kanban_color_help"/>');
+            this.$el.prepend('<span title="' + colorHelp + '" aria-label="' + colorHelp + '" role="img" class="oe_kanban_color_help"/>');
         }
     },
     /**
@@ -454,7 +455,7 @@ var KanbanRecord = Widget.extend({
                 r.raw_value = value.toDate();
             } else if (r.type === 'one2many' || r.type === 'many2many') {
                 r.raw_value = value.count ? value.res_ids : [];
-            } else if (r.type === 'many2one' ) {
+            } else if (r.type === 'many2one') {
                 r.raw_value = value && value.res_id || false;
             } else {
                 r.raw_value = value;
@@ -554,13 +555,13 @@ var KanbanRecord = Widget.extend({
 
         switch (type) {
             case 'edit':
-                this.trigger_up('open_record', {id: this.db_id, mode: 'edit'});
+                this.trigger_up('open_record', { id: this.db_id, mode: 'edit' });
                 break;
             case 'open':
-                this.trigger_up('open_record', {id: this.db_id});
+                this.trigger_up('open_record', { id: this.db_id });
                 break;
             case 'delete':
-                this.trigger_up('kanban_record_delete', {id: this.db_id, record: this});
+                this.trigger_up('kanban_record_delete', { id: this.db_id, record: this });
                 break;
             case 'action':
             case 'object':
diff --git a/addons/web/static/src/js/views/kanban/kanban_record_quick_create.js b/addons/web/static/src/js/views/kanban/kanban_record_quick_create.js
index 741cc6a898a..e69914acd49 100644
--- a/addons/web/static/src/js/views/kanban/kanban_record_quick_create.js
+++ b/addons/web/static/src/js/views/kanban/kanban_record_quick_create.js
@@ -47,14 +47,14 @@ var RecordQuickCreate = Widget.extend({
      */
     willStart: function () {
         var self = this;
-        var def1 = this._super.apply(this, arguments);
-        var def2;
+        var superWillStart = this._super.apply(this, arguments);
+        var viewsLoaded;
         if (this.formViewRef) {
             var views = [[false, 'form']];
             var context = _.extend({}, this.context, {
                 form_view_ref: this.formViewRef,
             });
-            def2 = this.loadViews(this.model, context, views);
+            viewsLoaded = this.loadViews(this.model, context, views);
         } else {
             var fieldsView = {};
             fieldsView.arch = '<form>' +
@@ -65,9 +65,9 @@ var RecordQuickCreate = Widget.extend({
             };
             fieldsView.fields = fields;
             fieldsView.viewFields = fields;
-            def2 = $.when({form: fieldsView});
+            viewsLoaded = Promise.resolve({form: fieldsView});
         }
-        def2 = def2.then(function (fieldsViews) {
+        viewsLoaded = viewsLoaded.then(function (fieldsViews) {
             var formView = new QuickCreateFormView(fieldsViews.form, {
                 context: self.context,
                 modelName: self.model,
@@ -78,7 +78,7 @@ var RecordQuickCreate = Widget.extend({
                 return self.controller.appendTo(document.createDocumentFragment());
             });
         });
-        return $.when(def1, def2);
+        return Promise.all([superWillStart, viewsLoaded]);
     },
     /**
      * @override
@@ -113,7 +113,7 @@ var RecordQuickCreate = Widget.extend({
      * have been made yet
      *
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     cancel: function () {
         var self = this;
@@ -129,7 +129,6 @@ var RecordQuickCreate = Widget.extend({
     //--------------------------------------------------------------------------
 
     /**
-     * @override
      * @private
      * @param {Object} [options]
      * @param {boolean} [options.openRecord] set to true to directly open the
@@ -139,7 +138,7 @@ var RecordQuickCreate = Widget.extend({
         var self = this;
         if (this._disabled) {
             // don't do anything if we are already creating a record
-            return $.Deferred();
+            return;
         }
         // disable the widget to prevent the user from creating multiple records
         // with the current values ; if the create works, the widget will be
@@ -157,13 +156,13 @@ var RecordQuickCreate = Widget.extend({
             } else {
                 self._enableQuickCreate();
             }
-        }).fail(this._enableQuickCreate.bind(this));
+        }).guardedCatch(this._enableQuickCreate.bind(this));
     },
     /**
      * Notifies the environment that the quick creation must be cancelled
      *
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _cancel: function () {
         this.trigger_up('cancel_quick_create');
diff --git a/addons/web/static/src/js/views/kanban/kanban_renderer.js b/addons/web/static/src/js/views/kanban/kanban_renderer.js
index 252b4587af6..eda15f706d3 100644
--- a/addons/web/static/src/js/views/kanban/kanban_renderer.js
+++ b/addons/web/static/src/js/views/kanban/kanban_renderer.js
@@ -148,7 +148,7 @@ var KanbanRenderer = BasicRenderer.extend({
     /**
      * Displays the quick create record in the first column.
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     addQuickCreate: function () {
         return this.widgets[0].addQuickCreate();
@@ -187,7 +187,7 @@ var KanbanRenderer = BasicRenderer.extend({
      * @param {boolean} [options.openQuickCreate] if true, directly opens the
      *   QuickCreate widget in the updated column
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     updateColumn: function (localID, columnState, options) {
         var self = this;
@@ -204,7 +204,7 @@ var KanbanRenderer = BasicRenderer.extend({
             if (options && options.openQuickCreate) {
                 def = newColumn.addQuickCreate();
             }
-            return $.when(def).then(function () {
+            return Promise.resolve(def).then(function () {
                 newColumn.$el.insertAfter(column.$el);
                 self._toggleNoContentHelper();
                 // When a record has been quick created, the new column directly
@@ -221,7 +221,7 @@ var KanbanRenderer = BasicRenderer.extend({
      * Updates a given record with its new state.
      *
      * @param {Object} recordState
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     updateRecord: function (recordState) {
         var isGrouped = !!this.state.groupedBy.length;
@@ -242,7 +242,7 @@ var KanbanRenderer = BasicRenderer.extend({
         if (record) {
             return record.update(recordState);
         }
-        return $.when();
+        return Promise.resolve();
     },
     /**
      * @override
@@ -295,10 +295,13 @@ var KanbanRenderer = BasicRenderer.extend({
      * @param {integer} nbDivs the number of divs to append
      */
     _renderGhostDivs: function (fragment, nbDivs) {
+        var ghostDefs = [];
         for (var $ghost, i = 0; i < nbDivs; i++) {
             $ghost = $('<div>').addClass('o_kanban_record o_kanban_ghost');
-            $ghost.appendTo(fragment);
+            var def = $ghost.appendTo(fragment);
+            ghostDefs.push(def);
         }
+        return Promise.all(ghostDefs);
     },
     /**
      * Renders an grouped kanban view in a fragment.
@@ -321,10 +324,7 @@ var KanbanRenderer = BasicRenderer.extend({
                 def = column.appendTo(fragment);
                 self.widgets.push(column);
             }
-            if (def.state() === 'pending') {
-                self.defs.push(def);
-            }
-
+            self.defs.push(def);
         });
 
         // remove previous sorting
@@ -359,13 +359,13 @@ var KanbanRenderer = BasicRenderer.extend({
                 this.quickCreate = new ColumnQuickCreate(this, {
                     examples: this.examples,
                 });
-                this.quickCreate.appendTo(fragment).then(function () {
+                this.defs.push(this.quickCreate.appendTo(fragment).then(function () {
                     // Open it directly if there is no column yet
                     if (!self.state.data.length) {
                         self.quickCreate.toggleFold();
                         self._renderExampleBackground(fragment);
                     }
-                });
+                }));
             }
         }
     },
@@ -382,13 +382,14 @@ var KanbanRenderer = BasicRenderer.extend({
             var kanbanRecord = new KanbanRecord(self, record, self.recordOptions);
             self.widgets.push(kanbanRecord);
             var def = kanbanRecord.appendTo(fragment);
-            if (def.state() === 'pending') {
-                self.defs.push(def);
-            }
+            self.defs.push(def);
         });
 
         // append ghost divs to ensure that all kanban records are left aligned
-        this._renderGhostDivs(fragment, 6);
+        var prom = Promise.all(self.defs).then(function () {
+            return self._renderGhostDivs(fragment, 6);
+        });
+        this.defs.push(prom);
     },
     /**
      * @override
@@ -398,28 +399,31 @@ var KanbanRenderer = BasicRenderer.extend({
         var self = this;
         var oldWidgets = this.widgets;
         this.widgets = [];
-        this.$el.empty();
 
+        // render the kanban view
         var isGrouped = !!this.state.groupedBy.length;
-        this.$el.toggleClass('o_kanban_grouped', isGrouped);
-        this.$el.toggleClass('o_kanban_ungrouped', !isGrouped);
         var fragment = document.createDocumentFragment();
-        // render the kanban view
-        this.defs = [];
+        var defs = [];
+        this.defs = defs;
         if (isGrouped) {
             this._renderGrouped(fragment);
         } else {
             this._renderUngrouped(fragment);
         }
-        this.$el.append(fragment);
-        this._toggleNoContentHelper();
-        var defs = this.defs;
+        delete this.defs;
+
         return this._super.apply(this, arguments).then(function () {
-            _.invoke(oldWidgets, 'destroy');
-            if (self._isInDom) {
-                _.invoke(self.widgets, 'on_attach_callback');
-            }
-            return $.when.apply(null, defs);
+            return Promise.all(defs).then(function () {
+                self.$el.empty();
+                self.$el.toggleClass('o_kanban_grouped', isGrouped);
+                self.$el.toggleClass('o_kanban_ungrouped', !isGrouped);
+                self.$el.append(fragment);
+                self._toggleNoContentHelper();
+                _.invoke(oldWidgets, 'destroy');
+                if (self._isInDom) {
+                    _.invoke(self.widgets, 'on_attach_callback');
+                }
+            });
         });
     },
     /**
diff --git a/addons/web/static/src/js/views/kanban/kanban_renderer_mobile.js b/addons/web/static/src/js/views/kanban/kanban_renderer_mobile.js
index a9576e9836f..eae16968833 100644
--- a/addons/web/static/src/js/views/kanban/kanban_renderer_mobile.js
+++ b/addons/web/static/src/js/views/kanban/kanban_renderer_mobile.js
@@ -75,7 +75,7 @@ KanbanRenderer.include({
     /**
      * Displays the quick create record in the active column
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     addQuickCreate: function () {
         return this.widgets[this.activeColumnIndex].addQuickCreate();
@@ -260,26 +260,26 @@ KanbanRenderer.include({
      * @private
      * @param {integer} moveToIndex index of the column to move to
      * @param {boolean} [animate=false] set to true to animate
-     * @returns {Deferred} resolved when the new current group has been loaded
+     * @returns {Promise} resolved when the new current group has been loaded
      *   and displayed
      */
     _moveToGroup: function (moveToIndex, animate) {
         var self = this;
         if (moveToIndex < 0 || moveToIndex >= this.widgets.length) {
             this._layoutUpdate(animate);
-            return $.when();
+            return Promise.resolve();
         }
-        var def = $.Deferred();
         this.activeColumnIndex = moveToIndex;
         var column = this.widgets[this.activeColumnIndex];
-        this.trigger_up('kanban_load_records', {
-            columnID: column.db_id,
-            onSuccess: function () {
-                self._layoutUpdate(animate);
-                def.resolve();
-            },
+        return new Promise(function (resolve) {
+            self.trigger_up('kanban_load_records', {
+                columnID: column.db_id,
+                onSuccess: function () {
+                    self._layoutUpdate(animate);
+                    resolve();
+                },
+            });
         });
-        return def;
     },
 
     /**
@@ -287,22 +287,23 @@ KanbanRenderer.include({
      * @private
      */
     _renderGrouped: function (fragment) {
-        var result = this._super.apply(this, arguments);
-        var data = [];
-        _.each(this.state.data, function (group) {
-            if (!group.value) {
-                group = _.extend({}, group, {value: _t('Undefined')});
-                data.unshift(group);
-            }
-            else {
-                data.push(group);
-            }
-        });
+        var self = this;
+        this._super.apply(this, arguments);
+        this.defs.push(Promise.all(this.defs).then(function () {
+            var data = [];
+            _.each(self.state.data, function (group) {
+                if (!group.value) {
+                    group = _.extend({}, group, {value: _t('Undefined')});
+                    data.unshift(group);
+                } else {
+                    data.push(group);
+                }
+            });
 
-        $(qweb.render('KanbanView.MobileTabs', {
-            data: data,
-        })).prependTo(fragment);
-        return result;
+            $(qweb.render('KanbanView.MobileTabs', {
+                data: data,
+            })).prependTo(fragment);
+        }));
     },
 
     /**
diff --git a/addons/web/static/src/js/views/kanban/kanban_view.js b/addons/web/static/src/js/views/kanban/kanban_view.js
index 37f7fdd42ef..49ba9b74034 100644
--- a/addons/web/static/src/js/views/kanban/kanban_view.js
+++ b/addons/web/static/src/js/views/kanban/kanban_view.js
@@ -139,7 +139,7 @@ var KanbanView = BasicView.extend({
     /**
      * @private
      * @param {Widget} parent
-     * @returns {$.Promise} resolved when the searchPanel is ready
+     * @returns {Promise} resolved when the searchPanel is ready
      */
     _createSearchPanel: function (parent) {
         var self = this;
diff --git a/addons/web/static/src/js/views/kanban/quick_create_form_view.js b/addons/web/static/src/js/views/kanban/quick_create_form_view.js
index af769d62095..8725c3104de 100644
--- a/addons/web/static/src/js/views/kanban/quick_create_form_view.js
+++ b/addons/web/static/src/js/views/kanban/quick_create_form_view.js
@@ -71,7 +71,7 @@ var QuickCreateFormController = FormController.extend({
      */
     commitChanges: function () {
         var mutexDef = this.mutex.getUnlockedDef();
-        return $.when(mutexDef, this.renderer.commitChanges(this.handle));
+        return Promise.all([mutexDef, this.renderer.commitChanges(this.handle)]);
     },
     /**
      * @returns {Object} the changes done on the current record
diff --git a/addons/web/static/src/js/views/kanban/search_panel.js b/addons/web/static/src/js/views/kanban/search_panel.js
index b906d02b89a..d06eacbdb07 100644
--- a/addons/web/static/src/js/views/kanban/search_panel.js
+++ b/addons/web/static/src/js/views/kanban/search_panel.js
@@ -55,7 +55,7 @@ var SearchPanel = Widget.extend({
         var loadProm = this._fetchCategories().then(function () {
             return self._fetchFilters().then(self._applyDefaultFilterValues.bind(self));
         });
-        return $.when(loadProm, this._super.apply(this, arguments));
+        return Promise.all([loadProm, this._super.apply(this, arguments)]);
     },
     /**
      * @override
@@ -82,18 +82,18 @@ var SearchPanel = Widget.extend({
      *
      * @param {Object} params
      * @param {Array[]} params.searchDomain domain coming from controlPanel
-     * @returns {$.Promise}
+     * @returns {Promise}
      */
     update: function (params) {
         var currentSearchDomainStr = JSON.stringify(this.searchDomain);
         var newSearchDomainStr = JSON.stringify(params.searchDomain);
-        var def;
+        var filtersProm;
         if (this.needReload || (currentSearchDomainStr !== newSearchDomainStr)) {
             this.needReload = false;
             this.searchDomain = params.searchDomain;
-            def = this._fetchFilters();
+            filtersProm = this._fetchFilters();
         }
-        return $.when(def).then(this._render.bind(this));
+        return Promise.resolve(filtersProm).then(this._render.bind(this));
     },
 
     //--------------------------------------------------------------------------
@@ -231,21 +231,21 @@ var SearchPanel = Widget.extend({
      * Fetch values for each category. This is done only once, at startup.
      *
      * @private
-     * @returns {$.Promise} resolved when all categories have been fetched
+     * @returns {Promise} resolved when all categories have been fetched
      */
     _fetchCategories: function () {
         var self = this;
-        var defs = Object.keys(this.categories).map(function (categoryId) {
+        var proms = Object.keys(this.categories).map(function (categoryId) {
             var category = self.categories[categoryId];
             var field = self.fields[category.fieldName];
-            var def;
+            var categoriesProm;
             if (field.type === 'selection') {
                 var values = field.selection.map(function (value) {
                     return {id: value[0], display_name: value[1]};
                 });
-                def = $.when(values);
+                categoriesProm = Promise.resolve(values);
             } else {
-                def = self._rpc({
+                categoriesProm = self._rpc({
                     method: 'search_panel_select_range',
                     model: self.model,
                     args: [category.fieldName],
@@ -254,18 +254,18 @@ var SearchPanel = Widget.extend({
                     return result.values;
                 });
             }
-            return def.then(function (values) {
+            return categoriesProm.then(function (values) {
                 self._createCategoryTree(categoryId, values);
             });
         });
-        return $.when.apply($, defs);
+        return Promise.all(proms);
     },
     /**
      * Fetch values for each filter. This is done at startup, and at each reload
      * (when the controlPanel or searchPanel domain changes).
      *
      * @private
-     * @returns {$.Promise} resolved when all filters have been fetched
+     * @returns {Promise} resolved when all filters have been fetched
      */
     _fetchFilters: function () {
         var self = this;
@@ -276,7 +276,7 @@ var SearchPanel = Widget.extend({
         });
         var categoryDomain = this._getCategoryDomain();
         var filterDomain = this._getFilterDomain();
-        var defs = Object.keys(this.filters).map(function (filterId) {
+        var proms = Object.keys(this.filters).map(function (filterId) {
             var filter = self.filters[filterId];
             return self._rpc({
                 method: 'search_panel_select_multi_range',
@@ -294,7 +294,7 @@ var SearchPanel = Widget.extend({
                 self._createFilterTree(filterId, values);
             });
         });
-        return $.when.apply($, defs);
+        return Promise.all(proms);
     },
     /**
      * Compute and return the domain based on the current active categories.
diff --git a/addons/web/static/src/js/views/list/list_controller.js b/addons/web/static/src/js/views/list/list_controller.js
index dfa7d272a49..055cd8177e3 100644
--- a/addons/web/static/src/js/views/list/list_controller.js
+++ b/addons/web/static/src/js/views/list/list_controller.js
@@ -65,7 +65,7 @@ var ListController = BasicController.extend({
      * this method should be private, most of the code in the sidebar should be
      * moved to the controller, and we should not use the getParent method...
      *
-     * @returns {Deferred<array[]>} a deferred that resolve to the active domain
+     * @returns {Promise<array[]>} a promise that resolve to the active domain
      */
     getActiveDomain: function () {
         // TODO: this method should be synchronous...
@@ -73,9 +73,9 @@ var ListController = BasicController.extend({
         if (this.$('thead .o_list_record_selector input').prop('checked')) {
             var searchQuery = this._controlPanel ? this._controlPanel.getSearchQuery() : {};
             var record = self.model.get(self.handle, {raw: true});
-            return $.when(record.getDomain().concat(searchQuery.domain || []));
+            return Promise.all(record.getDomain().concat(searchQuery.domain || []));
         } else {
-            return $.Deferred().resolve();
+            return Promise.resolve();
         }
     },
     /*
@@ -143,6 +143,7 @@ var ListController = BasicController.extend({
      * main buttons)
      *
      * @param {jQuery Node} $node
+     * @returns {Promise}
      */
     renderSidebar: function ($node) {
         var self = this;
@@ -180,10 +181,11 @@ var ListController = BasicController.extend({
                 },
                 actions: _.extend(this.toolbarActions, {other: other}),
             });
-            this.sidebar.appendTo($node);
-
-            this._toggleSidebar();
+            return this.sidebar.appendTo($node).then(function() {
+                self._toggleSidebar();
+            });
         }
+        return Promise.resolve();
     },
     /**
      * Overrides to update the list of selected records
@@ -243,10 +245,11 @@ var ListController = BasicController.extend({
             });
         }).then(function (recordID) {
             var state = self.model.get(self.handle);
-            self.renderer.updateState(state, {});
-            self.renderer.editRecord(recordID);
-            self._updatePager();
-        }).always(this._enableButtons.bind(this));
+            self.renderer.updateState(state, {})
+                .then(function () {
+                    self.renderer.editRecord(recordID);
+                }).then(self._updatePager.bind(self));
+        }).then(this._enableButtons.bind(this)).guardedCatch(this._enableButtons.bind(this));
     },
     /**
      * Archive the current selection
@@ -254,11 +257,11 @@ var ListController = BasicController.extend({
      * @private
      * @param {string[]} ids
      * @param {boolean} archive
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _archive: function (ids, archive) {
         if (ids.length === 0) {
-            return $.when();
+            return Promise.resolve();
         }
         return this.model
             .toggleActive(ids, !archive, this.handle)
@@ -298,7 +301,7 @@ var ListController = BasicController.extend({
      * @override
      * @param {string} id a basicmodel valid resource handle.  It is supposed to
      *   be a record from the list view.
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _confirmSave: function (id) {
         var state = this.model.get(this.handle);
@@ -313,13 +316,13 @@ var ListController = BasicController.extend({
      * @override
      * @private
      * @param {string} [recordID] - default to main recordID
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _discardChanges: function (recordID) {
         if ((recordID || this.handle) === this.handle) {
             recordID = this.renderer.getEditableRecordID();
             if (recordID === null) {
-                return $.when();
+                return Promise.resolve();
             }
         }
         var self = this;
@@ -343,7 +346,7 @@ var ListController = BasicController.extend({
      * @private
      * @param {string} mode
      * @param {string} [recordID] - default to main recordID
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _setMode: function (mode, recordID) {
         if ((recordID || this.handle) !== this.handle) {
@@ -373,11 +376,13 @@ var ListController = BasicController.extend({
     },
     /**
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _update: function () {
-        this._toggleSidebar();
-        return this._super.apply(this, arguments);
+        var self = this;
+        return this._super.apply(this, arguments).then(function() {
+            self._toggleSidebar();
+        });
     },
     /**
      * This helper simply makes sure that the control panel buttons matches the
@@ -471,7 +476,7 @@ var ListController = BasicController.extend({
                 var record = self.model.get(self.handle);
                 var editedRecord = record.data[ev.data.index];
                 self._setMode('edit', editedRecord.id)
-                    .done(ev.data.onSuccess);
+                    .then(ev.data.onSuccess);
             },
         });
     },
@@ -523,8 +528,8 @@ var ListController = BasicController.extend({
     _onSaveLine: function (ev) {
         var recordID = ev.data.recordID;
         this.saveRecord(recordID)
-            .done(ev.data.onSuccess)
-            .fail(ev.data.onFailure);
+            .then(ev.data.onSuccess)
+            .guardedCatch(ev.data.onFailure);
     },
     /**
      * When the current selection changes (by clicking on the checkboxes on the
diff --git a/addons/web/static/src/js/views/list/list_editable_renderer.js b/addons/web/static/src/js/views/list/list_editable_renderer.js
index ab5e5036dfa..4619cb86e66 100644
--- a/addons/web/static/src/js/views/list/list_editable_renderer.js
+++ b/addons/web/static/src/js/views/list/list_editable_renderer.js
@@ -93,7 +93,7 @@ ListRenderer.include({
     },
     /**
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         // deliberately use the 'editable' attribute instead of '_isEditable'
@@ -171,7 +171,7 @@ ListRenderer.include({
      * @param {string} id
      * @param {string[]} fields
      * @param {OdooEvent} ev
-     * @returns {Deferred<AbstractField[]>} resolved with the list of widgets
+     * @returns {Promise<AbstractField[]>} resolved with the list of widgets
      *                                      that have been reset
      */
     confirmUpdate: function (state, id, fields, ev) {
@@ -180,7 +180,7 @@ ListRenderer.include({
         // store the cursor position to restore it once potential onchanges have
         // been applied
         var currentRowID, currentWidget, focusedElement, selectionRange;
-        if (self.currentRow !== null) {
+        if (this.currentRow !== null) {
             currentRowID = this.state.data[this.currentRow].id;
             currentWidget = this.allFieldWidgets[currentRowID][this.currentFieldIndex];
             if (currentWidget) {
@@ -212,10 +212,14 @@ ListRenderer.include({
             });
             var newRowIndex = _.findIndex(state.data, {id: id});
             var $lastRow = $row;
-            _.each(state.data, function (record, index) {
+            var defs = [];
+            self.defs = defs;
+            state.data.forEach(function (record, index) {
                 if (index === newRowIndex) {
                     return;
                 }
+                // FIXME: as we are manipulating the DOM directly, it will
+                // flicker if there is an async widget in the row
                 var $newRow = self._renderRow(record);
                 if (index < newRowIndex) {
                     $newRow.insertBefore($row);
@@ -224,20 +228,23 @@ ListRenderer.include({
                     $lastRow = $newRow;
                 }
             });
-            if (self.currentRow !== null) {
-                self.currentRow = newRowIndex;
-                return self._selectCell(newRowIndex, self.currentFieldIndex, {force: true}).then(function () {
-                    // restore the cursor position
-                    currentRowID = self.state.data[newRowIndex].id;
-                    currentWidget = self.allFieldWidgets[currentRowID][self.currentFieldIndex];
-                    if (currentWidget) {
-                        focusedElement = currentWidget.getFocusableElement().get(0);
-                        if (selectionRange) {
-                            dom.setSelectionRange(focusedElement, selectionRange);
-                        }
+            delete self.defs;
+            return Promise.all(defs).then(function () {
+                if (self.currentRow !== null) {
+                    self.currentRow = newRowIndex;
+                    return self._selectCell(newRowIndex, self.currentFieldIndex, {force: true});
+                }
+            }).then(function () {
+                // restore the cursor position
+                currentRowID = self.state.data[newRowIndex].id;
+                currentWidget = self.allFieldWidgets[currentRowID][self.currentFieldIndex];
+                if (currentWidget) {
+                    focusedElement = currentWidget.getFocusableElement().get(0);
+                    if (selectionRange) {
+                        dom.setSelectionRange(focusedElement, selectionRange);
                     }
-                });
-            }
+                }
+            });
         });
     },
     /**
@@ -294,7 +301,7 @@ ListRenderer.include({
      *
      * @param {string} recordID
      * @param {string} mode
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     setRowMode: function (recordID, mode) {
         var self = this;
@@ -321,7 +328,7 @@ ListRenderer.include({
         }
 
         if (rowIndex < 0) {
-            return $.when();
+            return Promise.resolve();
         }
         var editMode = (mode === 'edit');
 
@@ -350,7 +357,7 @@ ListRenderer.include({
         options.mode = editMode ? 'edit' : 'readonly';
 
         // Switch each cell to the new mode; note: the '_renderBodyCell'
-        // function might fill the 'this.defs' variables with multiple deferred
+        // function might fill the 'this.defs' variables with multiple promise
         // so we create the array and delete it after the rendering.
         var defs = [];
         this.defs = defs;
@@ -385,7 +392,7 @@ ListRenderer.include({
         $row.toggleClass('o_selected_row', editMode);
         $row.find('.o_list_record_selector input').prop('disabled', !record.res_id);
 
-        return $.when.apply($, defs).then(function () {
+        return Promise.all(defs).then(function () {
             // necessary to trigger resize on fieldtexts
             core.bus.trigger('DOM_updated');
         });
@@ -399,27 +406,32 @@ ListRenderer.include({
      * prevent subsequent editions. These edits would be lost, because the list
      * view only saves records when unselecting a row.
      *
-     * @returns {Deferred} The deferred resolves if the row was unselected (and
+     * @returns {Promise} The promise resolves if the row was unselected (and
      *   possibly removed). If may be rejected, when the row is dirty and the
      *   user refuses to discard its changes.
      */
     unselectRow: function () {
+        var self = this;
         // Protect against calling this method when no row is selected
         if (this.currentRow === null) {
-            return $.when();
+            return Promise.resolve();
         }
 
         var record = this.state.data[this.currentRow];
         var recordWidgets = this.allFieldWidgets[record.id];
         toggleWidgets(true);
 
-        var def = $.Deferred();
-        this.trigger_up('save_line', {
-            recordID: record.id,
-            onSuccess: def.resolve.bind(def),
-            onFailure: def.reject.bind(def),
+        var prom = new Promise(function (resolve, reject) {
+            self.trigger_up('save_line', {
+                recordID: record.id,
+                onSuccess: resolve,
+                onFailure: reject,
+            });
         });
-        return def.fail(toggleWidgets.bind(null, false));
+        prom.guardedCatch(function() {
+            toggleWidgets(false);
+        });
+        return prom;
 
         function toggleWidgets(disabled) {
             _.each(recordWidgets, function (widget) {
@@ -511,7 +523,7 @@ ListRenderer.include({
     },
     /**
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _render: function () {
         this.currentRow = null;
@@ -524,10 +536,9 @@ ListRenderer.include({
      * widget.
      *
      * @override
-     * @returns {jQueryElement}
      */
     _renderBody: function () {
-        var $body = this._super();
+        var $body = this._super.apply(this, arguments);
         if (this.hasHandle) {
             $body.sortable({
                 axis: 'y',
@@ -568,15 +579,13 @@ ListRenderer.include({
      * on the first real column.
      *
      * @override
-     * @returns {jQueryElement}
+     * @returns {jQueryElement[]}
      */
     _renderRows: function () {
-        var self = this;
         var $rows = this._super();
-
         if (this.addCreateLine) {
             var $tr = $('<tr>');
-            var colspan = self._getNumberOfCols();
+            var colspan = this._getNumberOfCols();
 
             if (this.handleField) {
                 colspan = colspan - 1;
@@ -589,7 +598,7 @@ ListRenderer.include({
             $tr.append($td);
             $rows.push($tr);
 
-            _.each(self.creates, function (create, index) {
+            _.each(this.creates, function (create, index) {
                 var $a = $('<a href="#" role="button">')
                     .attr('data-context', create.context)
                     .text(create.string);
@@ -604,7 +613,7 @@ ListRenderer.include({
     /**
      * @override
      * @private
-     * @returns {Deferred} this deferred is resolved immediately
+     * @returns {Promise} this promise is resolved immediately
      */
     _renderView: function () {
         var self = this;
@@ -692,13 +701,13 @@ ListRenderer.include({
      * @param {boolean} [options.force=false] if true, force selecting the cell
      *   even if seems to be already the selected one (useful after a re-
      *   rendering, to reset the focus on the correct field)
-     * @return {Deferred} fails if no cell could be selected
+     * @return {Promise} fails if no cell could be selected
      */
     _selectCell: function (rowIndex, fieldIndex, options) {
         options = options || {};
         // Do nothing if the user tries to select current cell
         if (!options.force && rowIndex === this.currentRow && fieldIndex === this.currentFieldIndex) {
-            return $.when();
+            return Promise.resolve();
         }
         var wrap = options.wrap === undefined ? true : options.wrap;
 
@@ -707,7 +716,7 @@ ListRenderer.include({
         return this._selectRow(rowIndex).then(function () {
             var record = self.state.data[rowIndex];
             if (fieldIndex >= (self.allFieldWidgets[record.id] || []).length) {
-                return $.Deferred().reject();
+                return Promise.reject();
             }
             // _activateFieldWidget might trigger an onchange,
             // which requires currentFieldIndex to be set
@@ -721,7 +730,7 @@ ListRenderer.include({
             });
             if (fieldIndex < 0) {
                 self.currentFieldIndex = oldFieldIndex;
-                return $.Deferred().reject();
+                return Promise.reject();
             }
             self.currentFieldIndex = fieldIndex;
         });
@@ -730,12 +739,12 @@ ListRenderer.include({
      * Activates the row at the given row index.
      *
      * @param {integer} rowIndex
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _selectRow: function (rowIndex) {
         // Do nothing if already selected
         if (rowIndex === this.currentRow) {
-            return $.when();
+            return Promise.resolve();
         }
 
         // To select a row, the currently selected one must be unselected first
@@ -745,15 +754,15 @@ ListRenderer.include({
                 // The row to selected doesn't exist anymore (probably because
                 // an onchange triggered when unselecting the previous one
                 // removes rows)
-                return $.Deferred().reject();
+                return Promise.reject();
             }
             // Notify the controller we want to make a record editable
-            var def = $.Deferred();
-            self.trigger_up('edit_line', {
-                index: rowIndex,
-                onSuccess: def.resolve.bind(def),
+            return new Promise(function (resolve) {
+                self.trigger_up('edit_line', {
+                    index: rowIndex,
+                    onSuccess: resolve,
+                });
             });
-            return def;
         });
     },
 
@@ -778,7 +787,7 @@ ListRenderer.include({
         // but we do want to unselect current row
         var self = this;
         this.unselectRow().then(function () {
-            self.trigger_up('add_record', {context: ev.currentTarget.dataset.context && [ev.currentTarget.dataset.context]}); // TODO write a test, the deferred was not considered
+            self.trigger_up('add_record', {context: ev.currentTarget.dataset.context && [ev.currentTarget.dataset.context]}); // TODO write a test, the promise was not considered
         });
     },
     /**
@@ -864,12 +873,13 @@ ListRenderer.include({
      * @param {OdooEvent} ev
      */
     _onNavigationMove: function (ev) {
+        var self = this;
         ev.stopPropagation(); // stop the event, the action is done by this renderer
         switch (ev.data.direction) {
             case 'previous':
                 if (this.currentFieldIndex > 0) {
                     this._selectCell(this.currentRow, this.currentFieldIndex - 1, {wrap: false})
-                        .fail(this._moveToPreviousLine.bind(this));
+                        .guardedCatch(this._moveToPreviousLine.bind(this));
                 } else {
                     this._moveToPreviousLine();
                 }
@@ -882,7 +892,7 @@ ListRenderer.include({
                 if (column.attrs.name === lastWidget.name) {
                     if (this.currentRow + 1 < this.state.data.length) {
                         this._selectCell(this.currentRow+1, 0, {wrap:false})
-                            .fail(this._moveToNextLine.bind(this));
+                            .guardedCatch(this._moveToNextLine.bind(this));
                     } else {
                         var currentRowData = this.state.data[this.currentRow];
                         if (currentRowData.isDirty(currentRowData.id)) {
@@ -895,7 +905,7 @@ ListRenderer.include({
                 } else {
                     if (this.currentFieldIndex + 1 < this.columns.length) {
                         this._selectCell(this.currentRow, this.currentFieldIndex + 1, {wrap: false})
-                            .fail(this._moveToNextLine.bind(this));
+                            .guardedCatch(this._moveToNextLine.bind(this));
                     } else {
                         this._moveToNextLine();
                     }
@@ -911,8 +921,10 @@ ListRenderer.include({
                 ev.data.originalEvent.stopPropagation();
                 this.trigger_up('discard_changes', {
                     recordID: ev.target.dataPointID,
+                    onSuccess: function () {
+                        self.$('.o_field_x2many_list_row_add a:first').focus();
+                    }
                 });
-                this.$('.o_field_x2many_list_row_add a:first').focus();
                 break;
         }
     },
diff --git a/addons/web/static/src/js/views/list/list_renderer.js b/addons/web/static/src/js/views/list/list_renderer.js
index ee081aa3c5b..760ab9ed7a8 100644
--- a/addons/web/static/src/js/views/list/list_renderer.js
+++ b/addons/web/static/src/js/views/list/list_renderer.js
@@ -250,9 +250,10 @@ var ListRenderer = BasicRenderer.extend({
      * @returns {jQueryElement} a jquery element <tbody>
      */
     _renderBody: function () {
+        var self = this;
         var $rows = this._renderRows();
         while ($rows.length < 4) {
-            $rows.push(this._renderEmptyRow());
+            $rows.push(self._renderEmptyRow());
         }
         return $('<tbody>').append($rows);
     },
@@ -306,7 +307,6 @@ var ListRenderer = BasicRenderer.extend({
         }
         if (node.attrs.widget || (options && options.renderWidgets)) {
             var $el = this._renderFieldWidget(node, record, _.pick(options, 'mode'));
-            this._handleAttributes($el, node);
             return $td.append($el);
         }
         var name = node.attrs.name;
@@ -395,7 +395,7 @@ var ListRenderer = BasicRenderer.extend({
      *
      * @private
      * @param {Object} group
-     * @returns {JQueryElement} the pager's $el
+     * @returns {jQueryElement} the pager's $el
      */
     _renderGroupPager: function (group) {
         var pager = new Pager(this, group.count, group.offset + 1, group.limit);
@@ -416,9 +416,14 @@ var ListRenderer = BasicRenderer.extend({
         // register the pager so that it can be destroyed on next rendering
         this.pagers.push(pager);
 
-        var fragment = document.createDocumentFragment();
-        pager.appendTo(fragment); // starts the pager
-        return pager.$el;
+        var pagerProm = pager._widgetRenderAndInsert(function () {}); // start the pager
+        this.defs.push(pagerProm);
+        var $el =  $('<div>');
+        pagerProm.then(function () {
+            $el.replaceWith(pager.$el);
+        });
+
+        return $el;
     },
     /**
      * Render the row that represent a group
@@ -514,10 +519,9 @@ var ListRenderer = BasicRenderer.extend({
      * with the name of each fields
      *
      * @private
-     * @param {boolean} isGrouped
      * @returns {jQueryElement} a <thead> element
      */
-    _renderHeader: function (isGrouped) {
+    _renderHeader: function () {
         var $tr = $('<tr>')
             .append(_.map(this.columns, this._renderHeaderCell.bind(this)));
         if (this.hasSelectors) {
@@ -585,11 +589,9 @@ var ListRenderer = BasicRenderer.extend({
      */
     _renderRow: function (record) {
         var self = this;
-        this.defs = []; // TODO maybe wait for those somewhere ?
-        var $cells = _.map(this.columns, function (node, index) {
+        var $cells = this.columns.map(function (node, index) {
             return self._renderBodyCell(record, node, index, { mode: 'readonly' });
         });
-        delete this.defs;
 
         var $tr = $('<tr/>', { class: 'o_data_row' })
             .data('id', record.id)
@@ -608,7 +610,7 @@ var ListRenderer = BasicRenderer.extend({
      * @returns {jQueryElement[]} a list of <tr>
      */
     _renderRows: function () {
-        return _.map(this.state.data, this._renderRow.bind(this));
+        return this.state.data.map(this._renderRow.bind(this));
     },
     /**
      * A 'selector' is the small checkbox on the left of a record in a list
@@ -638,52 +640,60 @@ var ListRenderer = BasicRenderer.extend({
      *
      * @override
      * @private
-     * returns {Deferred} this deferred is resolved immediately
+     * @returns {Promise} resolved when the view has been rendered
      */
     _renderView: function () {
         var self = this;
 
-        this.$el
-            .removeClass('table-responsive')
-            .empty();
-
-        // destroy the previously instantiated pagers, if any
-        _.invoke(this.pagers, 'destroy');
+        var oldPagers = this.pagers;
         this.pagers = [];
 
-        var displayNoContentHelper = !this._hasContent() && !!this.noContentHelp;
         // display the no content helper if there is no data to display
+        var displayNoContentHelper = !this._hasContent() && !!this.noContentHelp;
         if (displayNoContentHelper) {
+            // destroy the previously instantiated pagers, if any
+            _.invoke(oldPagers, 'destroy');
+
+            this.$el.removeClass('table-responsive');
             this.$el.html(this._renderNoContentHelper());
-            return this._super();
+            return this._super.apply(this, arguments);
         }
 
-        var $table = $('<table>').addClass('o_list_view table table-sm table-hover table-striped');
-        this.$el.addClass('table-responsive')
-            .append($table);
+        var orderedBy = this.state.orderedBy;
+        this.hasHandle = orderedBy.length === 0 || orderedBy[0].name === this.handleField;
         this._computeAggregates();
+
+        var $table = $('<table>').addClass('o_list_view table table-sm table-hover table-striped');
         $table.toggleClass('o_list_view_grouped', this.isGrouped);
         $table.toggleClass('o_list_view_ungrouped', !this.isGrouped);
-        this.hasHandle = this.state.orderedBy.length === 0 ||
-            this.state.orderedBy[0].name === this.handleField;
+        var defs = [];
+        this.defs = defs;
         if (this.isGrouped) {
-            $table
-                .append(this._renderHeader(true))
-                .append(this._renderGroups(this.state.data))
-                .append(this._renderFooter());
+            $table.append(this._renderHeader());
+            $table.append(this._renderGroups(this.state.data));
+            $table.append(this._renderFooter());
+
         } else {
-            $table
-                .append(this._renderHeader())
-                .append(this._renderBody())
-                .append(this._renderFooter());
-        }
-        if (this.selection.length) {
-            var $checked_rows = this.$('tr').filter(function (index, el) {
-                return _.contains(self.selection, $(el).data('id'));
-            });
-            $checked_rows.find('.o_list_record_selector input').prop('checked', true);
+            $table.append(this._renderHeader());
+            $table.append(this._renderBody());
+            $table.append(this._renderFooter());
         }
-        return this._super();
+        delete this.defs;
+
+        var prom = Promise.all(defs).then(function () {
+            // destroy the previously instantiated pagers, if any
+            _.invoke(oldPagers, 'destroy');
+
+            self.$el.addClass('table-responsive').html($table);
+
+            if (self.selection.length) {
+                var $checked_rows = self.$('tr').filter(function (index, el) {
+                    return _.contains(self.selection, $(el).data('id'));
+                });
+                $checked_rows.find('.o_list_record_selector input').prop('checked', true);
+            }
+        });
+        return Promise.all([this._super.apply(this, arguments), prom]);
     },
     /**
      * Each line can be decorated according to a few simple rules. The arch
diff --git a/addons/web/static/src/js/views/pivot/pivot_model.js b/addons/web/static/src/js/views/pivot/pivot_model.js
index 3f195c1ea24..a4a2bae8fb0 100644
--- a/addons/web/static/src/js/views/pivot/pivot_model.js
+++ b/addons/web/static/src/js/views/pivot/pivot_model.js
@@ -45,10 +45,10 @@ var PivotModel = AbstractModel.extend({
 
     /**
      * Close a header. This method is actually synchronous, but returns a
-     * deferred.
+     * promise.
      *
      * @param {any} headerID
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     closeHeader: function (headerID) {
         var header = this.data.headers[headerID];
@@ -58,7 +58,7 @@ var PivotModel = AbstractModel.extend({
         header.root.groupbys.splice(newGroupbyLength);
     },
     /**
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     expandAll: function () {
         return this._loadData();
@@ -118,8 +118,8 @@ var PivotModel = AbstractModel.extend({
                     });
             }));
         }
-        return $.when.apply(null, defs).then(function () {
-            var results = Array.prototype.slice.call(arguments);
+        return Promise.all(defs).then(function () {
+            var results = Array.prototype.slice.call(arguments[0]);
             var data = [];
             var comparisonData = [];
             _.each(results, function (result) {
@@ -358,7 +358,7 @@ var PivotModel = AbstractModel.extend({
      * @param {string[]} params.compare
      * @param {Object} params.fields
      * @param {string} params.default_order
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     load: function (params) {
         var self = this;
@@ -394,7 +394,7 @@ var PivotModel = AbstractModel.extend({
      * @override
      * @param {any} handle this parameter is ignored
      * @param {Object} params
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     reload: function (handle, params) {
         var self = this;
@@ -507,14 +507,14 @@ var PivotModel = AbstractModel.extend({
      * Toggle the active state for a given measure, then reload the data.
      *
      * @param {string} field
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     toggleMeasure: function (field) {
         if (_.contains(this.data.measures, field)) {
             this.data.measures = _.without(this.data.measures, field);
             // in this case, we already have all data in memory, no need to
             // actually reload a lesser amount of information
-            return $.when();
+            return Promise.resolve();
         } else {
             this.data.measures.push(field);
         }
@@ -705,7 +705,7 @@ var PivotModel = AbstractModel.extend({
         return result;
     },
     /**
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _loadData: function () {
         var self = this;
@@ -755,8 +755,7 @@ var PivotModel = AbstractModel.extend({
             }));
         }
 
-        return this._loadDataDropPrevious.add($.when.apply(null, defs)).then(function () {
-            var results = Array.prototype.slice.call(arguments);
+        return this._loadDataDropPrevious.add(Promise.all(defs)).then(function (results) {
             var data = [];
             var comparisonData = [];
             _.each(results, function (result) {
diff --git a/addons/web/static/src/js/views/pivot/pivot_renderer.js b/addons/web/static/src/js/views/pivot/pivot_renderer.js
index 1a3c451f064..101f3734392 100644
--- a/addons/web/static/src/js/views/pivot/pivot_renderer.js
+++ b/addons/web/static/src/js/views/pivot/pivot_renderer.js
@@ -72,7 +72,7 @@ var PivotRenderer = AbstractRenderer.extend({
     /**
      * @override
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _render: function () {
         if (!this._hasContent()) {
diff --git a/addons/web/static/src/js/views/standalone_field_manager_mixin.js b/addons/web/static/src/js/views/standalone_field_manager_mixin.js
index da3cc19350d..501ecf7c012 100644
--- a/addons/web/static/src/js/views/standalone_field_manager_mixin.js
+++ b/addons/web/static/src/js/views/standalone_field_manager_mixin.js
@@ -38,7 +38,7 @@ var StandaloneFieldManagerMixin = _.extend({}, FieldManagerMixin, {
      * @param {string} id basicModel Id for the changed record
      * @param {string[]} fields the fields (names) that have been changed
      * @param {OdooEvent} event the event that triggered the change
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _confirmChange: function (id, fields, event) {
         var result = FieldManagerMixin._confirmChange.apply(this, arguments);
diff --git a/addons/web/static/src/js/views/view_dialogs.js b/addons/web/static/src/js/views/view_dialogs.js
index befe4247c00..75be3a3d07e 100644
--- a/addons/web/static/src/js/views/view_dialogs.js
+++ b/addons/web/static/src/js/views/view_dialogs.js
@@ -128,7 +128,7 @@ var FormViewDialog = ViewDialog.extend({
                     text: (multi_select ? _t("Save & Close") : _t("Save")),
                     classes: "btn-primary",
                     click: function () {
-                        this._save().then(self.close.bind(self));
+                        self._save().then(self.close.bind(self));
                     }
                 });
 
@@ -137,7 +137,7 @@ var FormViewDialog = ViewDialog.extend({
                         text: _t("Save & New"),
                         classes: "btn-primary",
                         click: function () {
-                            this._save()
+                            self._save()
                                 .then(self.form_view.createRecord.bind(self.form_view, self.parentID))
                                 .then(function () {
                                     if (!self.deletable) {
@@ -183,7 +183,7 @@ var FormViewDialog = ViewDialog.extend({
         var FormView = view_registry.get('form');
         var fields_view_def;
         if (this.options.fields_view) {
-            fields_view_def = $.when(this.options.fields_view);
+            fields_view_def = Promise.resolve(this.options.fields_view);
         } else {
             fields_view_def = this.loadFieldView(this.res_model, this.context, this.options.view_id, 'form');
         }
@@ -213,9 +213,9 @@ var FormViewDialog = ViewDialog.extend({
             if (self.recordID && self.shouldSaveLocally) {
                 self.model.save(self.recordID, {savePoint: true});
             }
-            self.form_view.appendTo(fragment)
+            return self.form_view.appendTo(fragment)
                 .then(function () {
-                    self.opened().always(function () {
+                    self.opened().then(function () {
                         var $buttons = $('<div>');
                         self.form_view.renderButtons($buttons);
                         if ($buttons.children().length) {
@@ -226,7 +226,7 @@ var FormViewDialog = ViewDialog.extend({
                             in_DOM: true,
                         });
                     });
-                    _super();
+                    return _super();
                 });
         });
 
@@ -255,7 +255,7 @@ var FormViewDialog = ViewDialog.extend({
 
     /**
      * @private
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _save: function () {
         var self = this;
@@ -332,7 +332,7 @@ var SelectCreateDialog = ViewDialog.extend({
         }
         var self = this;
         var _super = this._super.bind(this);
-        this.loadViews(this.res_model, this.context, [[false, 'list'], [false, 'search']], {})
+        return this.loadViews(this.res_model, this.context, [[false, 'list'], [false, 'search']], {})
             .then(this.setup.bind(this))
             .then(function (fragment) {
                 self.opened().then(function () {
@@ -342,9 +342,8 @@ var SelectCreateDialog = ViewDialog.extend({
                     });
                     self.set_buttons(self.__buttons);
                 });
-                _super();
+                return _super();
             });
-        return this;
     },
 
     setup: function (fieldsViews) {
diff --git a/addons/web/static/src/js/views/view_utils.js b/addons/web/static/src/js/views/view_utils.js
index 94485c1401a..ea2270ce466 100644
--- a/addons/web/static/src/js/views/view_utils.js
+++ b/addons/web/static/src/js/views/view_utils.js
@@ -63,7 +63,7 @@ var viewUtils = {
      */
     renderButtonFromNode: function (node, options) {
         var btnOptions = {
-            attrs: _.omit(node.attrs, 'icon', 'string', 'type', 'attrs', 'modifiers', 'options'),
+            attrs: _.omit(node.attrs, 'icon', 'string', 'type', 'attrs', 'modifiers', 'options', 'effect'),
             icon: node.attrs.icon,
         };
         if (options && options.extraClass) {
diff --git a/addons/web/static/src/js/widgets/attach_document.js b/addons/web/static/src/js/widgets/attach_document.js
index 13496f3aea7..3175875c151 100644
--- a/addons/web/static/src/js/widgets/attach_document.js
+++ b/addons/web/static/src/js/widgets/attach_document.js
@@ -108,26 +108,27 @@ var AttachDocument = Widget.extend({
      * @private
      */
     _onFileLoaded: function () {
-        var self = this,
-            def = $.Deferred();
-
-        if (self.node.attrs.action) {
-            // the first argument isn't a file but the jQuery.Event
-            var files = Array.prototype.slice.call(arguments, 1);
-            self._rpc({
-                model: self.res_model,
-                method: self.node.attrs.action,
-                args: [self.res_id],
-                kwargs: {
-                    'attachment_ids': _.map(files, function (file) {return file.id;}),
-                }
-            }).then( function () {
-                def.resolve();
-            });
-        } else {
-            def.resolve();
-        }
-        return $.when(def).then(function () {
+        var self = this;
+        return new Promise(function (resolve) {
+            if (self.node.attrs.action) {
+                // the first argument isn't a file but the jQuery.Event
+                var files = Array.prototype.slice.call(arguments, 1);
+                self._rpc({
+                    model: self.res_model,
+                    method: self.node.attrs.action,
+                    args: [self.res_id],
+                    kwargs: {
+                        attachment_ids: _.map(files, function (file) {
+                            return file.id;
+                        }),
+                    }
+                }).then(function () {
+                    resolve();
+                });
+            } else {
+                resolve();
+            }
+        }).then(function () {
             self.trigger_up('reload');
             framework.unblockUI();
         });
diff --git a/addons/web/static/src/js/widgets/change_password.js b/addons/web/static/src/js/widgets/change_password.js
index c05fa30408b..e75d8dfda38 100644
--- a/addons/web/static/src/js/widgets/change_password.js
+++ b/addons/web/static/src/js/widgets/change_password.js
@@ -20,7 +20,7 @@ var ChangePassword = AbstractAction.extend({
      * @fixme: weird interaction with the parent for the $buttons handling
      *
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         var self = this;
@@ -37,7 +37,7 @@ var ChangePassword = AbstractAction.extend({
                         fields: $('form[name=change_password_form]').serializeArray()
                     }
                 })
-                .done(function (result) {
+                .then(function (result) {
                     if (result.error) {
                         self._display_error(result);
                     } else {
diff --git a/addons/web/static/src/js/widgets/data_export.js b/addons/web/static/src/js/widgets/data_export.js
index e24818f7336..a913fcd0ea2 100644
--- a/addons/web/static/src/js/widgets/data_export.js
+++ b/addons/web/static/src/js/widgets/data_export.js
@@ -56,7 +56,7 @@ var DataExport = Dialog.extend({
      */
     start: function () {
         var self = this;
-        var defs = [this._super.apply(this, arguments)];
+        var proms = [this._super.apply(this, arguments)];
 
         // The default for the ".modal_content" element is "max-height: 100%;"
         // but we want it to always expand to "height: 100%;" for this modal.
@@ -67,10 +67,10 @@ var DataExport = Dialog.extend({
         this.$fieldsList = this.$('.o_fields_list');
         this.$importCompatRadios = this.$('.o_import_compat input');
 
-        defs.push(this._rpc({route: '/web/export/formats'}).then(doSetupExportFormats));
-        defs.push(this._onChangeCompatibleInput());
+        proms.push(this._rpc({route: '/web/export/formats'}).then(doSetupExportFormats));
+        proms.push(this._onChangeCompatibleInput());
 
-        defs.push(this.getParent().getActiveDomain().then(function (domain) {
+        proms.push(this.getParent().getActiveDomain().then(function (domain) {
             if (domain === undefined) {
                 self.idsToExport = self.getParent().getSelectedIds();
                 self.domain = self.record.domain;
@@ -80,7 +80,7 @@ var DataExport = Dialog.extend({
             }
         }));
 
-        defs.push(this._showExportsList().then(function () {
+        proms.push(this._showExportsList().then(function () {
             _.each(self.records, function (record, key) {
                 if (_.contains(self.defaultExportFields, key)) {
                     self._addField(key, record.string);
@@ -88,12 +88,12 @@ var DataExport = Dialog.extend({
             });
         }));
 
-        return $.when.apply($, defs);
+        return Promise.all(proms);
 
-        function doSetupExportFormats (formats) {
+        function doSetupExportFormats(formats) {
             var $fmts = self.$('.o_export_format');
 
-            _.each(formats, function (format, i) {
+            _.each(formats, function (format) {
                 var $radio = $('<input/>', {type: 'radio', value: format.tag, name: 'o_export_format_name'});
                 var $label = $('<span/>', {html: format.label});
 
@@ -192,16 +192,16 @@ var DataExport = Dialog.extend({
      */
     _onExpandAction: function (record) {
         var self = this;
-        if (!record['children']) {
+        if (!record.children) {
             return;
         }
 
-        var model = record['params']['model'];
-        var prefix = record['params']['prefix'];
-        var name = record['params']['name'];
+        var model = record.params.model;
+        var prefix = record.params.prefix;
+        var name = record.params.name;
         var excludeFields = [];
-        if (record['relation_field']) {
-            excludeFields.push(record['relation_field']);
+        if (record.relation_field) {
+            excludeFields.push(record.relation_field);
         }
 
         if (!record.loaded) {
@@ -212,11 +212,11 @@ var DataExport = Dialog.extend({
                     prefix: prefix,
                     parent_name: name,
                     import_compat: !!this.$importCompatRadios.filter(':checked').val(),
-                    parent_field_type: record['field_type'],
-                    parent_field: record['params']['parent_field'],
+                    parent_field_type: record.field_type,
+                    parent_field: record.params.parent_field,
                     exclude: excludeFields,
                 },
-            }).done(function (results) {
+            }).then(function (results) {
                 record.loaded = true;
                 self._onShowData(results, record.id);
             });
@@ -294,7 +294,7 @@ var DataExport = Dialog.extend({
         var self = this;
         if (this.$('.o_exported_lists_select').is(':hidden')) {
             this.$('.o_exported_lists').show();
-            return $.when();
+            return Promise.resolve();
         }
 
         return this._rpc({
@@ -355,7 +355,7 @@ var DataExport = Dialog.extend({
                 model: this.record.model,
                 import_compat: this.isCompatibleMode,
             },
-        }).done(function (records) {
+        }).then(function (records) {
             var compatibleFields = _.map(records, function (record) { return record.id; });
             self.$fieldsList
                 .find('option')
diff --git a/addons/web/static/src/js/widgets/domain_selector.js b/addons/web/static/src/js/widgets/domain_selector.js
index 8e20e1ce18d..ed71679699c 100644
--- a/addons/web/static/src/js/widgets/domain_selector.js
+++ b/addons/web/static/src/js/widgets/domain_selector.js
@@ -188,11 +188,14 @@ var DomainTree = DomainNode.extend({
     },
     /**
      * @see DomainNode.start
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         this._postRender();
-        return $.when(this._super.apply(this, arguments), this._renderChildrenTo(this.$childrenContainer));
+        return Promise.all([
+            this._super.apply(this, arguments),
+            this._renderChildrenTo(this.$childrenContainer)
+        ]);
     },
 
     //--------------------------------------------------------------------------
@@ -369,11 +372,11 @@ var DomainTree = DomainNode.extend({
      *
      * @private
      * @param {jQuery} $to - the jQuery node to which the children must be added
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _renderChildrenTo: function ($to) {
         var $div = $("<div/>");
-        return $.when.apply($, _.map(this.children, (function (child) {
+        return Promise.all(_.map(this.children, (function (child) {
             return child.appendTo($div);
         }).bind(this))).then((function () {
             _.each(this.children, function (child) {
@@ -485,11 +488,11 @@ var DomainSelector = DomainTree.extend({
      * does nothing.
      *
      * @param {string} domain
-     * @returns {Deferred} resolved when the rerendering is finished
+     * @returns {Promise} resolved when the rerendering is finished
      */
     setDomain: function (domain) {
         if (domain === Domain.prototype.arrayToString(this.getDomain())) {
-            return $.when();
+            return Promise.resolve();
         }
         var parsedDomain = this._parseDomain(domain);
         if (parsedDomain) {
@@ -542,7 +545,7 @@ var DomainSelector = DomainTree.extend({
      * This method is ugly but achieves the right behavior without flickering.
      *
      * @param {Array|string} domain
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     _redraw: function (domain) {
         var oldChildren = this.children.slice();
@@ -637,7 +640,7 @@ var DomainLeaf = DomainNode.extend({
      * Prepares the information the rendering of the widget will need by
      * pre-instantiating its internal field selector widget.
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     willStart: function () {
         var defs = [this._super.apply(this, arguments)];
@@ -702,17 +705,17 @@ var DomainLeaf = DomainNode.extend({
                     }).bind(this)));
                 }
 
-                return $.when.apply($, wDefs);
+                return Promise.all(wDefs);
             }
         }).bind(this)));
 
-        return $.when.apply($, defs);
+        return Promise.all(defs);
     },
     /**
      * @see DomainNode.start
      * Appends the prepared field selector and value widget.
      *
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         this.fieldSelector.$el.prependTo(this.$("> .o_domain_leaf_info, > .o_domain_leaf_edition")); // place the field selector
diff --git a/addons/web/static/src/js/widgets/domain_selector_dialog.js b/addons/web/static/src/js/widgets/domain_selector_dialog.js
index 46b54089c5f..f6fe7f0c479 100644
--- a/addons/web/static/src/js/widgets/domain_selector_dialog.js
+++ b/addons/web/static/src/js/widgets/domain_selector_dialog.js
@@ -45,10 +45,10 @@ return Dialog.extend({
             // this restores default modal height (bootstrap) and allows field selector to overflow
             self.$el.css('overflow', 'visible').closest('.modal-dialog').css('height', 'auto');
         });
-        return $.when(
+        return Promise.all([
             this._super.apply(this, arguments),
             this.domainSelector.appendTo(this.$el)
-        );
+        ]);
     },
 });
 });
diff --git a/addons/web/static/src/js/widgets/iframe_widget.js b/addons/web/static/src/js/widgets/iframe_widget.js
index 77d27fac5b4..8ecbd5f1c7d 100644
--- a/addons/web/static/src/js/widgets/iframe_widget.js
+++ b/addons/web/static/src/js/widgets/iframe_widget.js
@@ -29,7 +29,7 @@ var IFrameWidget = Widget.extend({
     },
     /**
      * @override
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         this.$el.css({height: '100%', width: '100%', border: 0});
diff --git a/addons/web/static/src/js/widgets/model_field_selector.js b/addons/web/static/src/js/widgets/model_field_selector.js
index b8c953a2d0e..08a7ae47c81 100644
--- a/addons/web/static/src/js/widgets/model_field_selector.js
+++ b/addons/web/static/src/js/widgets/model_field_selector.js
@@ -112,17 +112,17 @@ var ModelFieldSelector = Widget.extend({
     },
     /**
      * @see Widget.willStart()
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     willStart: function () {
-        return $.when(
+        return Promise.all([
             this._super.apply(this, arguments),
             this._prefill()
-        );
+        ]);
     },
     /**
      * @see Widget.start
-     * @returns {Deferred}
+     * @returns {Promise}
      */
     start: function () {
         this.$value = this.$(".o_field_selector_value");
@@ -162,11 +162,11 @@ var ModelFieldSelector = Widget.extend({
      * Saves a new field chain (array) and re-render.
      *
      * @param {string[]} chain - the new field chain
-     * @returns {Deferred} resolved once the re-rendering is finished
+     * @returns {Promise} resolved once the re-rendering is finished
      */
     setChain: function (chain) {
         if (_.isEqual(chain, this.chain)) {
-            return $.when();
+            return Promise.resolve();
         }
 
         this.chain = chain;
@@ -290,14 +290,14 @@ var ModelFieldSelector = Widget.extend({
      * chain.
      *
      * @private
-     * @returns {Deferred} resolved once the whole field chain has been
+     * @returns {Promise} resolved once the whole field chain has been
      *                     processed
      */
     _prefill: function () {
         this.pages = [];
         return this._pushPageData(this.model).then((function () {
             this._validate(true);
-            return (this.chain.length ? processChain.call(this, this.chain.slice().reverse()) : $.when());
+            return (this.chain.length ? processChain.call(this, this.chain.slice().reverse()) : Promise.resolve());
         }).bind(this));
 
         function processChain(chain) {
@@ -305,11 +305,11 @@ var ModelFieldSelector = Widget.extend({
             if (field && field.relation && chain.length > 0) { // Fetch next chain node if any and possible
                 return this._pushPageData(field.relation).then(processChain.bind(this, chain));
             } else if (field && chain.length === 0) { // Last node fetched
-                return $.when();
+                return Promise.resolve();
             } else { // Wrong node chain
                 this._validate(false);
             }
-            return $.when();
+            return Promise.resolve();
         }
     },
     /**
@@ -318,12 +318,12 @@ var ModelFieldSelector = Widget.extend({
      *
      * @private
      * @param {string} model - the model name whose fields have to be fetched
-     * @returns {Deferred} resolved once the fields have been added
+     * @returns {Promise} resolved once the fields have been added
      */
     _pushPageData: function (model) {
         var def;
         if (this.model === model && this.options.fields) {
-            def = $.when(sortFields(this.options.fields, model, this.options.order));
+            def = Promise.resolve(sortFields(this.options.fields, model, this.options.order));
         } else {
             def = this._getModelFieldsFromCache(model, this.options.filters);
         }
diff --git a/addons/web/static/src/js/widgets/name_and_signature.js b/addons/web/static/src/js/widgets/name_and_signature.js
index c860b0a4361..7c3f05a7148 100644
--- a/addons/web/static/src/js/widgets/name_and_signature.js
+++ b/addons/web/static/src/js/widgets/name_and_signature.js
@@ -80,14 +80,12 @@ var NameAndSignature = Widget.extend({
      */
     willStart: function () {
         var self = this;
-
-        return $.when(
+        return Promise.all([
             this._super.apply(this, arguments),
             this._rpc({route: '/web/sign/get_fonts/' + self.defaultFont}).then(function (data) {
                 self.fonts = data;
             })
-        );
-
+        ]);
     },
     /**
      * Finds the DOM elements, initializes the signature area,
@@ -217,7 +215,7 @@ var NameAndSignature = Widget.extend({
     resetSignature: function () {
         if (!this.$signatureField) {
             // no action if called before start
-            return $.Deferred().reject();
+            return Promise.reject();
         }
         // recompute size based on the current width
         this.$signatureField.css({width: 'unset'});
@@ -248,7 +246,7 @@ var NameAndSignature = Widget.extend({
 
         this.focusName();
 
-        return $.Deferred().resolve();
+        return Promise.resolve();
     },
     /**
      * Changes the signature mode. Toggles the display of the relevant
diff --git a/addons/web/static/src/js/widgets/pie_chart.js b/addons/web/static/src/js/widgets/pie_chart.js
index 44a08a5a22a..ddeca1fdcec 100644
--- a/addons/web/static/src/js/widgets/pie_chart.js
+++ b/addons/web/static/src/js/widgets/pie_chart.js
@@ -67,7 +67,7 @@ var PieChart = Widget.extend({
             self.controller = controller;
             return self.controller.appendTo(document.createDocumentFragment());
         });
-        return $.when(def1, def2);
+        return Promise.all([def1, def2]);
     },
     /**
      * @override
diff --git a/addons/web/static/src/js/widgets/switch_company_menu.js b/addons/web/static/src/js/widgets/switch_company_menu.js
index cc0f8825643..a389ee268cd 100644
--- a/addons/web/static/src/js/widgets/switch_company_menu.js
+++ b/addons/web/static/src/js/widgets/switch_company_menu.js
@@ -31,12 +31,6 @@ var SwitchCompanyMenu = Widget.extend({
     /**
      * @override
      */
-    willStart: function () {
-        return session.user_companies ? this._super() : $.Deferred().reject();
-    },
-    /**
-     * @override
-     */
     start: function () {
         var companiesList = '';
         if (this.isMobile) {
@@ -81,9 +75,9 @@ var SwitchCompanyMenu = Widget.extend({
         });
     },
 });
-
-SystrayMenu.Items.push(SwitchCompanyMenu);
-
+if (session.user_companies) {
+    SystrayMenu.Items.push(SwitchCompanyMenu);
+}
 return SwitchCompanyMenu;
 
 });