diff --git a/addons/calendar/static/src/js/base_calendar.js b/addons/calendar/static/src/js/base_calendar.js
index 8bd25659c2d..f906958605f 100644
--- a/addons/calendar/static/src/js/base_calendar.js
+++ b/addons/calendar/static/src/js/base_calendar.js
@@ -2,6 +2,7 @@ odoo.define('base_calendar.base_calendar', function (require) {
 "use strict";
 
 var bus = require('bus.bus').bus;
+var BasicModel = require('web.BasicModel');
 var field_registry = require('web.field_registry');
 var Notification = require('web.notification').Notification;
 var relational_fields = require('web.relational_fields');
@@ -104,14 +105,50 @@ WebClient.include({
     },
 });
 
+BasicModel.include({
+    /**
+     * @private
+     * @param {Object} record
+     * @param {string} fieldName
+     * @returns {Deferred}
+     */
+    _fetchSpecialAttendeeStatus: function (record, fieldName) {
+        var context = record.getContext({fieldName: fieldName});
+        var attendeeIDs = record.data[fieldName] ? this.localData[record.data[fieldName]].res_ids : [];
+        var meetingID = _.isNumber(record.res_id) ? record.res_id : false;
+        return this._rpc({
+            model: 'res.partner',
+            method: 'get_attendee_detail',
+            args: [attendeeIDs, meetingID],
+            context: context,
+        }).then(function (result) {
+            return _.map(result, function (d) {
+                return _.object(['id', 'display_name', 'status', 'color'], d);
+            });
+        });
+    },
+});
+
 var Many2ManyAttendee = FieldMany2ManyTags.extend({
-    supported_field_types: [],
+    // as this widget is model dependant (rpc on res.partner), use it in another
+    // context probably won't work
+    // supportedFieldTypes: ['many2many'],
     tag_template: "Many2ManyAttendeeTag",
-    // FIXME: This widget used to refetch the relational data fields needed to
-    //        its rendering. Basically, all usual fields for tags plus "status".
-    //        This can't currently be done with the current implementation of
-    //        the new view. For now, the attendee tags will be missing the
-    //        status indicator in studio mode.
+    specialData: "_fetchSpecialAttendeeStatus",
+
+    //--------------------------------------------------------------------------
+    // Private
+    //--------------------------------------------------------------------------
+
+    /**
+     * @override
+     * @private
+     */
+    _getRenderTagsContext: function () {
+        var result = this._super.apply(this, arguments);
+        result.attendeesData = this.record.specialData.partner_ids;
+        return result;
+    },
 });
 
 field_registry.add('many2manyattendee', Many2ManyAttendee);
diff --git a/addons/calendar/static/src/xml/base_calendar.xml b/addons/calendar/static/src/xml/base_calendar.xml
index 5f7fcc09824..f39f247c9f5 100644
--- a/addons/calendar/static/src/xml/base_calendar.xml
+++ b/addons/calendar/static/src/xml/base_calendar.xml
@@ -2,7 +2,7 @@
 <template>
     <t t-name="Many2ManyAttendeeTag" t-extend="FieldMany2ManyTag">
         <t t-jquery="span:first" t-operation="prepend">
-            <span t-attf-class="o_calendar_invitation #{el['status']}"/>
+            <span t-attf-class="o_calendar_invitation #{attendeesData[el_index].status}"/>
         </t>
     </t>
 
diff --git a/addons/calendar/static/tests/calendar_tests.js b/addons/calendar/static/tests/calendar_tests.js
new file mode 100644
index 00000000000..ad7f9fd141c
--- /dev/null
+++ b/addons/calendar/static/tests/calendar_tests.js
@@ -0,0 +1,80 @@
+odoo.define('calendar.tests', function (require) {
+"use strict";
+
+var FormView = require('web.FormView');
+var testUtils = require("web.test_utils");
+
+var createView = testUtils.createView;
+
+QUnit.module('calendar', {
+    beforeEach: function () {
+        this.data = {
+            event: {
+                fields: {
+                    partner_ids: {string: "Partners", type: "many2many", relation: "partner"},
+                },
+                records: [{
+                    id: 14,
+                    partner_ids: [1, 2],
+                }],
+            },
+            partner: {
+                fields: {
+                    name: {string: "Name", type: "char"},
+                },
+                records: [{
+                    id: 1,
+                    name: "Jesus",
+                }, {
+                    id: 2,
+                    name: "Mahomet",
+                }],
+            },
+        };
+    },
+}, function () {
+    QUnit.test("many2manyattendee widget: basic rendering", function (assert) {
+        assert.expect(9);
+
+        var form = createView({
+            View: FormView,
+            model: 'event',
+            data: this.data,
+            res_id: 14,
+            arch:
+                '<form>' +
+                    '<field name="partner_ids" widget="many2manyattendee"/>' +
+                '</form>',
+            mockRPC: function (route, args) {
+                if (args.method === 'get_attendee_detail') {
+                    assert.strictEqual(args.model, 'res.partner',
+                        "the method should only be called on res.partner");
+                    assert.deepEqual(args.args[0], [1, 2],
+                        "the partner ids should be passed as argument");
+                    assert.strictEqual(args.args[1], 14,
+                        "the event id should be passed as argument");
+                    return $.when([
+                        [1, "Jesus", "accepted", 0],
+                        [2, "Mahomet", "needsAction", 0],
+                    ]);
+                }
+                return this._super.apply(this, arguments);
+            },
+        });
+
+        assert.ok(form.$('.o_form_field[name="partner_ids"]').hasClass('o_form_field_many2manytags'));
+        assert.strictEqual(form.$('.o_form_field[name="partner_ids"] > span').length, 2,
+            "there should be 2 tags");
+        assert.strictEqual(form.$('.o_form_field[name="partner_ids"] > span:first').text().trim(), "Jesus",
+            "the tag should be correctly named");
+        assert.ok(form.$('.o_form_field[name="partner_ids"] > span:first .o_calendar_invitation').hasClass('accepted'),
+            "Jesus should attend the meeting");
+        assert.strictEqual(form.$('.o_form_field[name="partner_ids"] > span[data-id="2"]').text().trim(), "Mahomet",
+            "the tag should be correctly named");
+        assert.ok(form.$('.o_form_field[name="partner_ids"] > span[data-id="2"] .o_calendar_invitation').hasClass('needsAction'),
+            "Mohamet should still confirm his attendance to the meeting");
+
+        form.destroy();
+    });
+});
+});
diff --git a/addons/calendar/views/calendar_templates.xml b/addons/calendar/views/calendar_templates.xml
index 2cd0c28a219..faa9a463354 100644
--- a/addons/calendar/views/calendar_templates.xml
+++ b/addons/calendar/views/calendar_templates.xml
@@ -7,6 +7,12 @@
         </xpath>
     </template>
 
+    <template id="qunit_suite" inherit_id="web.qunit_suite">
+        <xpath expr="//script[last()]" position="after">
+            <script type="text/javascript" src="/calendar/static/tests/calendar_tests.js"/>
+        </xpath>
+    </template>
+
     <!-- Template rendered in route auth=None, for anonymous user. This allow them to see meeting details -->
     <template id="invitation_page_anonymous" name="Calendar Invitation Page for anonymous users">
         <t t-call="web.layout">
diff --git a/addons/web/static/src/js/fields/relational_fields.js b/addons/web/static/src/js/fields/relational_fields.js
index f1eaad118ab..459b529c748 100644
--- a/addons/web/static/src/js/fields/relational_fields.js
+++ b/addons/web/static/src/js/fields/relational_fields.js
@@ -1201,6 +1201,20 @@ var FieldMany2ManyTags = AbstractField.extend({
             });
         }
     },
+    /**
+     * Get the QWeb rendering context used by the tag template; this computation
+     * is placed in a separate function for other tags to override it.
+     *
+     * @private
+     * @returns {Object}
+     */
+    _getRenderTagsContext: function () {
+        var elements = this.value ? _.pluck(this.value.data, 'data') : [];
+        return {
+            elements: elements,
+            readonly: this.mode === "readonly",
+        };
+    },
     /**
      * @private
      * @param {any} id
@@ -1246,11 +1260,7 @@ var FieldMany2ManyTags = AbstractField.extend({
      * @private
      */
     _renderTags: function () {
-        var elements = this.value ? _.pluck(this.value.data, 'data') : [];
-        this.$el.html(qweb.render(this.tag_template, {
-            elements: elements,
-            readonly: this.mode === "readonly",
-        }));
+        this.$el.html(qweb.render(this.tag_template, this._getRenderTagsContext()));
     },
 
     //--------------------------------------------------------------------------