diff --git a/docs/sections/release_notes/release-notes-london.rst b/docs/sections/release_notes/release-notes-london.rst
new file mode 100644
index 0000000..28911b8
--- /dev/null
+++ b/docs/sections/release_notes/release-notes-london.rst
@@ -0,0 +1,144 @@
+.. This work is licensed under a Creative Commons Attribution 4.0
+   International License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) ONAP Project and its contributors
+.. _release_notes_london:
+
+:orphan:
+
+*************************************
+ONAP Operations Manager Release Notes
+*************************************
+
+Previous Release Notes
+======================
+
+- :ref:`Kohn <release_notes_kohn>`
+- :ref:`Jakarta <release_notes_jakarta>`
+- :ref:`Istanbul <release_notes_istanbul>`
+- :ref:`Honolulu <release_notes_honolulu>`
+- :ref:`Guilin <release_notes_guilin>`
+- :ref:`Frankfurt <release_notes_frankfurt>`
+- :ref:`El Alto <release_notes_elalto>`
+- :ref:`Dublin <release_notes_dublin>`
+- :ref:`Casablanca <release_notes_casablanca>`
+- :ref:`Beijing <release_notes_beijing>`
+- :ref:`Amsterdam <release_notes_amsterdam>`
+
+Abstract
+========
+
+This document provides the release notes for the London release.
+
+Summary
+=======
+
+
+
+Release Data
+============
+
++--------------------------------------+--------------------------------------+
+| **Project**                          | OOM                                  |
+|                                      |                                      |
++--------------------------------------+--------------------------------------+
+| **Docker images**                    | N/A                                  |
+|                                      |                                      |
++--------------------------------------+--------------------------------------+
+| **Release designation**              | London                               |
+|                                      |                                      |
++--------------------------------------+--------------------------------------+
+| **Release date**                     | 2023/06/xx                           |
+|                                      |                                      |
++--------------------------------------+--------------------------------------+
+
+New features
+------------
+
+* Introduction of "Production" ONAP setup, including:
+
+  * Istio Service Mesh based deployment
+  * Ingress (Istio-Gateway) deployment and usage as standard external access method
+  * Internal Security provided by ServiceMesh and Component2Component AuthorizationPolicies
+  * External Security by introducing AuthN/Z using Keycloak and OAuth2Proxy for Ingress Access
+
+* Removal of unsupported components (AAF, Portal, Contrib,...)
+* Update of Helmcharts to use common templates and practices
+* Optional support for Cassandra 4.x using k8ssandra-operator
+
+* `REQ-1349 <https://jira.onap.org/browse/REQ-1349>`_ Removal of AAF.
+  Internal communication encryption and authorization is offered by ServiceMesh
+
+* `REQ-1350 <https://jira.onap.org/browse/REQ-1350>`_ All component must be
+  able to run without MSB. Component helm charts modified to use MSB optionally
+  and test the components during Daily and Gating with and without MSB
+
+* `REQ-1351 <https://jira.onap.org/browse/REQ-1351>`_ External secure
+  communication only via Ingress.
+  Ingress resources created by templates and Ingress installation is described
+  in the OOM documents
+
+**Bug fixes**
+
+A list of issues resolved in this release can be found here:
+https://jira.onap.org/projects/OOM/versions/11500
+
+**Known Issues**
+
+* Components not working under ServiceMesh
+
+  * CDS UI
+  * SO Monitor UI
+  * CLI
+
+Deliverables
+------------
+
+Software Deliverables
+~~~~~~~~~~~~~~~~~~~~~
+
+OOM provides `Helm charts <https://nexus3.onap.org/service/rest/repository/browse/onap-helm-release/>`_
+
+Documentation Deliverables
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+- :ref:`Project Description <oom_project_description>` - a guide for developers of OOM
+- :ref:`oom_dev_guide` - a guide for developers of OOM
+- :ref:`oom_infra_guide` - a guide for those setting up the environments that OOM will use
+- :ref:`oom_deploy_guide` - a guide for those deploying OOM on an existing cloud
+- :ref:`oom_user_guide` - a guide for operators of an OOM instance
+- :ref:`oom_access_info_guide` - a guide for operators who require access to OOM applications
+
+Known Limitations, Issues and Workarounds
+=========================================
+
+Known Vulnerabilities
+---------------------
+
+* Cassandra version needs to be updated to support new Python version
+  see `OOM-2900 <https://jira.onap.org/browse/OOM-2900>`_
+  In London supported as option (using k8ssandra-operator), see :ref:`oom_base_optional_addons`
+
+Workarounds
+-----------
+
+Security Notes
+--------------
+
+**Fixed Security Issues**
+
+References
+==========
+
+For more information on the ONAP Istanbul release, please see:
+
+#. `ONAP Home Page`_
+#. `ONAP Documentation`_
+#. `ONAP Release Downloads`_
+#. `ONAP Wiki Page`_
+
+
+.. _`ONAP Home Page`: https://www.onap.org
+.. _`ONAP Wiki Page`: https://wiki.onap.org
+.. _`ONAP Documentation`: https://docs.onap.org
+.. _`ONAP Release Downloads`: https://git.onap.org
diff --git a/docs/sections/release_notes/release-notes.rst b/docs/sections/release_notes/release-notes.rst
index ed8957b..0df9483 100644
--- a/docs/sections/release_notes/release-notes.rst
+++ b/docs/sections/release_notes/release-notes.rst
@@ -11,6 +11,7 @@
 Previous Release Notes
 ======================
 
+- :ref:`London <release_notes_london>`
 - :ref:`Kohn <release_notes_kohn>`
 - :ref:`Jakarta <release_notes_jakarta>`
 - :ref:`Istanbul <release_notes_istanbul>`
@@ -26,7 +27,7 @@
 Abstract
 ========
 
-This document provides the release notes for the London release.
+This document provides the release notes for the Montreal release.
 
 Summary
 =======
@@ -43,10 +44,10 @@
 | **Docker images**                    | N/A                                  |
 |                                      |                                      |
 +--------------------------------------+--------------------------------------+
-| **Release designation**              | London                               |
+| **Release designation**              | Montreal                             |
 |                                      |                                      |
 +--------------------------------------+--------------------------------------+
-| **Release date**                     | 2023/06/xx                           |
+| **Release date**                     | 2023/12/xx                           |
 |                                      |                                      |
 +--------------------------------------+--------------------------------------+
 
@@ -55,39 +56,27 @@
 
 * Introduction of "Production" ONAP setup, including:
 
-  * Istio Service Mesh based deployment
-  * Ingress (Istio-Gateway) deployment and usage as standard external access method
-  * Internal Security provided by ServiceMesh and Component2Component AuthorizationPolicies
-  * External Security by introducing AuthN/Z using Keycloak and OAuth2Proxy for Ingress Access
+  * Besides the Istio Ingress APIs now the support for `Gateway-API`_
+    is added to the templates, which includes:
 
-* Removal of unsupported components (AAF, Portal, Contrib,...)
+    * TCP Routes
+    * UDP Routes
+
 * Update of Helmcharts to use common templates and practices
-* Optional support for Cassandra 4.x using k8ssandra-operator
-
-* `REQ-1349 <https://jira.onap.org/browse/REQ-1349>`_ Removal of AAF.
-  Internal communication encryption and authorization is offered by ServiceMesh
-
-* `REQ-1350 <https://jira.onap.org/browse/REQ-1350>`_ All component must be
-  able to run without MSB. Component helm charts modified to use MSB optionally
-  and test the components during Daily and Gating with and without MSB
-
-* `REQ-1351 <https://jira.onap.org/browse/REQ-1351>`_ External secure
-  communication only via Ingress.
-  Ingress resources created by templates and Ingress installation is described
-  in the OOM documents
+* Default support for Cassandra 4.x using k8ssandra-operator
+* Default support for MariaDB 11.x using mariadb-operator
 
 **Bug fixes**
 
 A list of issues resolved in this release can be found here:
-https://jira.onap.org/projects/OOM/versions/11500
+https://jira.onap.org/projects/OOM/versions/11501
 
 **Known Issues**
 
 * Components not working under ServiceMesh
 
-  * CDS UI
   * SO Monitor UI
-  * CLI
+  * Policy UI
 
 Deliverables
 ------------
@@ -113,9 +102,6 @@
 Known Vulnerabilities
 ---------------------
 
-* Cassandra version needs to be updated to support new Python version
-  see `OOM-2900 <https://jira.onap.org/browse/OOM-2900>`_
-  In London supported as option (using k8ssandra-operator), see :ref:`oom_base_optional_addons`
 
 Workarounds
 -----------
@@ -140,3 +126,4 @@
 .. _`ONAP Wiki Page`: https://wiki.onap.org
 .. _`ONAP Documentation`: https://docs.onap.org
 .. _`ONAP Release Downloads`: https://git.onap.org
+.. _`Gateway-API`: https://istio.io/latest/docs/tasks/traffic-management/ingress/gateway-api/