diff --git a/addons/project/__manifest__.py b/addons/project/__manifest__.py
index a20d1a6d86c..869f59caee8 100644
--- a/addons/project/__manifest__.py
+++ b/addons/project/__manifest__.py
@@ -100,13 +100,17 @@
             # Remove Longpolling bus and packages needed this bus
             ('remove', 'bus/static/src/js/services/assets_watchdog_service.js'),
             ('remove', 'mail/static/src/services/messaging/messaging.js'),
-            ('remove', 'mail/static/src/components/notification_request/notification_request.js'),
 
             ('remove', 'mail/static/src/components/dialog_manager/dialog_manager.js'),
             ('remove', 'mail/static/src/services/dialog_service/dialog_service.js'),
             ('remove', 'mail/static/src/components/chat_window_manager/chat_window_manager.js'),
             ('remove', 'mail/static/src/services/chat_window_service/chat_window_service.js'),
+
+            'web/static/src/legacy/js/public/public_widget.js',
+            'portal/static/src/js/portal_chatter.js',
+            'portal/static/src/js/portal_composer.js',
             'project/static/src/project_sharing/**/*.js',
+            'project/static/src/scss/project_sharing/*',
             'web/static/src/start.js',
             'web/static/src/legacy/legacy_setup.js',
         ],
diff --git a/addons/project/static/src/project_sharing/views/form/renderer.js b/addons/project/static/src/project_sharing/views/form/renderer.js
new file mode 100644
index 00000000000..5ef0ddc3470
--- /dev/null
+++ b/addons/project/static/src/project_sharing/views/form/renderer.js
@@ -0,0 +1,32 @@
+/** @odoo-module **/
+
+import FormRenderer from 'web.FormRenderer';
+import { PortalChatter } from 'portal.chatter';
+
+export default FormRenderer.extend({
+    _makeChatterContainerComponent() {
+        const props = this._makeChatterContainerProps();
+        this._chatterContainerComponent = new PortalChatter(this, props);
+    },
+    _makeChatterContainerProps() {
+        return {
+            token: '',
+            res_model: 'project.task',
+            pid: '',
+            hash: '',
+            res_id: this.state.res_id,
+            pager_step: 10,
+            allow_composer: true,
+            two_columns: false,
+        };
+    },
+    _makeChatterContainerTarget() {
+        const $el = $('<div class="o_FormRenderer_chatterContainer"/>');
+        this._chatterContainerTarget = $el[0];
+        return $el;
+    },
+    _mountChatterContainerComponent() {
+        this._chatterContainerComponent.appendTo(this._chatterContainerTarget);
+    },
+    _updateChatterContainerComponent() {},
+});
diff --git a/addons/project/static/src/project_sharing/views/form/view.js b/addons/project/static/src/project_sharing/views/form/view.js
index 6513e12d32d..36f7904679b 100644
--- a/addons/project/static/src/project_sharing/views/form/view.js
+++ b/addons/project/static/src/project_sharing/views/form/view.js
@@ -2,9 +2,11 @@
 
 import FormView from 'web.FormView';
 import Controller from './controller';
+import Renderer from './renderer';
 
 export default FormView.extend({
     config: _.extend({}, FormView.prototype.config, {
         Controller,
+        Renderer,
     }),
 });
diff --git a/addons/project/static/src/scss/project_sharing/chatter.scss b/addons/project/static/src/scss/project_sharing/chatter.scss
new file mode 100644
index 00000000000..ab108ff1d22
--- /dev/null
+++ b/addons/project/static/src/scss/project_sharing/chatter.scss
@@ -0,0 +1,44 @@
+.o_FormRenderer_chatterContainer {
+    display: flex;
+    background-color: $white;
+    border-color: $border-color;
+    height: fit-content;
+
+    .o_portal_chatter {
+        width: 100%;
+
+        .o_portal_chatter_header {
+            text-align: center;
+            vertical-align: middle;
+        }
+
+        div.o_portal_chatter_composer,
+        div.o_portal_chatter_messages {
+            div.media {
+                gap: 10px;
+
+                .o_portal_chatter_attachments {
+                    margin-bottom: 1rem;
+                }
+            }
+        }
+
+    }
+
+    &.o-aside {
+        flex-direction: column;
+
+        .o_portal_chatter {
+            .o_portal_chatter_header {
+                padding-top: 1rem;
+                padding-bottom: 2px;
+            }
+
+            .o_portal_chatter_composer, .o_portal_chatter_messages {
+                margin-left: 1rem;
+                margin-right: 1rem;
+            }
+        }
+    }
+}
+
diff --git a/addons/project/views/project_sharing_views.xml b/addons/project/views/project_sharing_views.xml
index 6b39b0ffdaa..db325793e41 100644
--- a/addons/project/views/project_sharing_views.xml
+++ b/addons/project/views/project_sharing_views.xml
@@ -194,6 +194,7 @@
                         </page>
                     </notebook>
                 </sheet>
+                <div class="oe_chatter"/>
             </form>
         </field>
     </record>