diff --git a/mail_sent/README.rst b/mail_sent/README.rst
index c461f15..1530cf8 100644
--- a/mail_sent/README.rst
+++ b/mail_sent/README.rst
@@ -20,7 +20,7 @@ Maintainers
 -----------
 * `IT-Projects LLC <https://it-projects.info>`__
 
-      To get a guaranteed support you are kindly requested to purchase the module at `odoo apps store <https://apps.odoo.com/apps/modules/11.0/mail_sent/>`__.
+      To get a guaranteed support you are kindly requested to purchase the module at `odoo apps store <https://apps.odoo.com/apps/modules/12.0/mail_sent/>`__.
 
       Thank you for understanding!
 
@@ -29,12 +29,12 @@ Maintainers
 Further information
 ===================
 
-Demo: http://runbot.it-projects.info/demo/mail_addons/11.0
+Demo: http://runbot.it-projects.info/demo/mail_addons/12.0
 
-HTML Description: https://apps.odoo.com/apps/modules/11.0/mail_sent/
+HTML Description: https://apps.odoo.com/apps/modules/12.0/mail_sent/
 
 Usage instructions: `<doc/index.rst>`_
 
 Changelog: `<doc/changelog.rst>`_
 
-Tested on Odoo 11.0 ecbf7aa4714479229658d14cce28fa00376ed390
+Tested on Odoo 12.0 c423e5fe047a66517a60b68874e18dc5c3697787
diff --git a/mail_sent/__manifest__.py b/mail_sent/__manifest__.py
index ca9c784..43ccc94 100644
--- a/mail_sent/__manifest__.py
+++ b/mail_sent/__manifest__.py
@@ -3,7 +3,7 @@
     "summary": """Quick way to find sent messages""",
     "category": "Discuss",
     "images": ['images/menu.png'],
-    "version": "11.0.1.0.4",
+    "version": "12.0.1.0.4",
 
     "author": "IT-Projects LLC, Ivan Yelizariev, Pavel Romanchenko",
     "support": "apps@it-projects.info",
@@ -13,9 +13,7 @@
     'currency': 'EUR',
 
     "depends": [
-        "base",
         "mail",
-        "mail_base"
     ],
 
     "data": [
@@ -24,5 +22,5 @@
     "qweb": [
         "static/src/xml/menu.xml",
     ],
-    'installable': False,
+    'installable': True,
 }
diff --git a/mail_sent/static/description/index.html b/mail_sent/static/description/index.html
index 7586097..fe69aab 100644
--- a/mail_sent/static/description/index.html
+++ b/mail_sent/static/description/index.html
@@ -61,7 +61,7 @@ This menu shows messages in threads (like in other menus), but shows only sent m
                             -o-transform: rotate(6deg);
                             -moz-transform: rotate(6deg);
                             -ms-transform: rotate(6deg);">
-                    Tested on Odoo<br/>11.0 community
+                    Tested on Odoo<br/>12.0 community
                 </div>
                 <div style="margin-top: 15px;
                    position: relative;
@@ -78,7 +78,7 @@ This menu shows messages in threads (like in other menus), but shows only sent m
                    -o-transform: rotate(-7deg);
                    -moz-transform: rotate(-7deg);
                    -ms-transform: rotate(-7deg);">
-                     Tested on Odoo<br/>11.0 enterprise
+                     Tested on Odoo<br/>12.0 enterprise
                 </div>
             </div>
         </div>
diff --git a/mail_sent/static/src/js/sent.js b/mail_sent/static/src/js/sent.js
index 7b37ea7..670f909 100644
--- a/mail_sent/static/src/js/sent.js
+++ b/mail_sent/static/src/js/sent.js
@@ -3,67 +3,48 @@ odoo.define('mail_sent.sent', function (require) {
 
 var core = require('web.core');
 var session = require('web.session');
-var chat_manager = require('mail_base.base').chat_manager;
-
-var _lt = core._lt;
-
-
-var ChatAction = core.action_registry.get('mail.chat.instant_messaging');
-ChatAction.include({
-    init: function (parent, action, options) {
-        this._super.apply(this, arguments);
-        var channel_name = 'channel_sent';
-        // Add channel Sent for show "Send message" button
-        this.channels_show_send_button.push(channel_name);
-        // Add channel Sent for enable "display_subject" option
-        this.channels_display_subject.push(channel_name);
+var Manager = require('mail.Manager');
+var Mailbox = require('mail.model.Mailbox');
+
+var _t = core._t;
+
+Manager.include({
+    _updateMailboxesFromServer: function (data) {
+        var self = this;
+        this._super(data);
+        if (!_.find(this.getThreads(), function(th){
+            return th.getID() === 'mailbox_channel_sent';
+        })) {
+            this._addMailbox({
+                id: 'channel_sent',
+                name: _t("Sent Messages"),
+                mailboxCounter: data.needaction_inbox_counter || 0,
+            });
+        }
     },
 
-    update_message_on_current_channel: function (current_channel_id, message) {
-        var result = this._super.apply(this, arguments);
-        var sent = current_channel_id === "channel_sent" && !message.is_sent;
-        return sent || result;
-    }
+    _makeMessage: function (data) {
+        var message = this._super(data);
+        message._addThread('mailbox_channel_sent');
+        return message;
+    },
 });
 
-// Inherit class and override methods
-var chat_manager_super = _.clone(chat_manager);
-chat_manager.get_properties = function (msg) {
-    var properties = chat_manager_super.get_properties.apply(this, arguments);
-    properties.is_sent = this.property_descr("channel_sent", msg, this);
-    return properties;
-};
-
-chat_manager.set_channel_flags = function (data, msg) {
-    chat_manager_super.set_channel_flags.apply(this, arguments);
-    if (data.sent && data.author_id[0] === session.partner_id) {
-        msg.is_sent = true;
-    }
-    return msg;
-};
-
-chat_manager.get_channel_array = function (msg) {
-    var arr = chat_manager_super.get_channel_array.apply(this, arguments);
-    return arr.concat('channel_sent');
-};
-
-chat_manager.get_domain = function (channel) {
-    return (channel.id === "channel_sent")
-    ? [['sent', '=', true],['author_id.user_ids', 'in', [session.uid]]]
-    : chat_manager_super.get_domain.apply(this, arguments);
-};
-
-
-chat_manager.is_ready.then(function () {
-    // Add sent channel
-    chat_manager.add_channel({
-        id: "channel_sent",
-        name: _lt("Sent"),
-        type: "static"
-    });
-    return $.when();
+Mailbox.include({
+    _getThreadDomain: function () {
+        if (this._id === 'mailbox_channel_sent') {
+            return [
+                ['sent', '=', true],
+                ['author_id.user_ids', 'in', [session.uid]]
+            ];
+        }
+        return this._super();
+    },
 });
 
-return chat_manager;
+return {
+    'Manager': Manager,
+    'Mailbox': Mailbox,
+};
 
 });
diff --git a/mail_sent/static/src/xml/menu.xml b/mail_sent/static/src/xml/menu.xml
index 48bf267..ab90c7b 100644
--- a/mail_sent/static/src/xml/menu.xml
+++ b/mail_sent/static/src/xml/menu.xml
@@ -1,17 +1,18 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <template>
     <!--Inherit Sidebar and add Sent menu item after Starred -->
-    <t t-extend="mail.chat.Sidebar">
-        <t t-jquery="div[data-channel-id=channel_inbox]" t-operation="after">
-            <div t-attf-class="o_mail_chat_title_main o_mail_chat_channel_item #{(active_channel_id == 'channel_sent') ? 'o_active': ''}" data-channel-id="channel_sent">
+    <t t-extend="mail.discuss.Sidebar">
+        <t t-jquery="div[data-thread-id=mailbox_starred]" t-operation="after">
+            <div t-attf-class="o_mail_discuss_title_main o_mail_mailbox_title_sent o_mail_discuss_item #{(activeThreadID == 'channel_sent') ? 'o_active': ''}"
+                 data-thread-id="mailbox_channel_sent">
                 <span class="o_channel_name mail_sent"> <i class="fa fa-send-o"/> Sent </span>
             </div>
         </t>
     </t>
     <!--Add message about empty sent page-->
-    <t t-extend="mail.EmptyChannel">
+    <t t-extend="mail.widget.Thread.Empty">
         <t t-jquery="t:last-child" t-operation="after">
-            <t t-if="options.channel_id==='channel_sent'">
+            <t t-if="thread.getID() === 'mailbox_channel_sent'">
                 <div class="o_thread_title">No sent messages</div>
                 <div>You can send messages and then these messages will appear here.</div>
             </t>
diff --git a/mail_sent/tests/test_js.py b/mail_sent/tests/test_js.py
index 9dd4342..5b45771 100644
--- a/mail_sent/tests/test_js.py
+++ b/mail_sent/tests/test_js.py
@@ -1,17 +1,25 @@
 import odoo.tests
+from werkzeug import url_encode
 
 
-@odoo.tests.common.at_install(False)
+@odoo.tests.common.at_install(True)
 @odoo.tests.common.post_install(True)
 class TestUi(odoo.tests.HttpCase):
 
     def test_01_mail_sent(self):
         # wait till page loaded and then click and wait again
+
+        # needed because tests are run before the module is marked as
+        # installed. In js web will only load qweb coming from modules
+        # that are returned by the backend in module_boot. Without
+        # this you end up with js, css but no qweb.
+        self.env['ir.module.module'].search([('name', '=', 'mail_sent')], limit=1).state = 'installed'
+
         code = """
             setTimeout(function () {
                 $(".mail_sent").click();
                 setTimeout(function () {console.log('ok');}, 3000);
             }, 1000);
         """
-        link = '/web#action=%s' % self.ref('mail.mail_channel_action_client_chat')
-        self.phantom_js(link, code, "odoo.__DEBUG__.services['mail_sent.sent'].is_ready", login="demo")
+        link = '/web#%s' % url_encode({'action': 'mail.action_discuss'})
+        self.phantom_js(link, code, "odoo.__DEBUG__.services['web_tour.tour'].tours.mail_tour.ready", login="demo")