v11.11 Upgrade Notes

source/administration-guide/upgrade/important-upgrade-notes.rst

@@ -12,6 +12,11 @@ We recommend reviewing the `additional upgrade notes <#additional-upgrade-notes>
 | If you're upgrading                                | Then...                                                                                                                                                          |
 | from a version earlier than...                     |                                                                                                                                                                  |
 +====================================================+==================================================================================================================================================================+
+| v11.11                                             | The updated ``glibc-openssl-fips`` bundle includes a new OpenSSL build that enforces the FIPS minimum key length of 112 bits for HMAC                            |
+|                                                    | operations. The PostgreSQL driver (lib/pq) passes the database password as the HMAC key during SCRAM authentication, so a password shorter than 112 bits, or 14  |
+|                                                    | ASCII characters, now causes a panic on connect rather than a graceful failure. Before upgrading, FIPS deployments should verify that the password in            |
+|                                                    | ``SqlSettings.DataSource`` is at least 14 characters and rotate it in PostgreSQL if it is shorter. Standard, non-FIPS builds are unaffected.                     |
++----------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 | v11.10                                             | Starting with v11.10.1, the updated ``glibc-openssl-fips`` bundle includes a new OpenSSL build that enforces the FIPS minimum key length of 112 bits for HMAC    |
 |                                                    | operations. The PostgreSQL driver (lib/pq) passes the database password as the HMAC key during SCRAM authentication, so a password shorter than 112 bits, or 14  |
 |                                                    | ASCII characters, now causes a panic on connect rather than a graceful failure. Before upgrading, FIPS deployments should verify that the password in            |

source/administration-guide/upgrade/open-source-components.rst

@@ -40,6 +40,7 @@ Desktop
 Mobile
 -------
 
+- Mattermost Mobile v2.44.0 - `View Open Source Components <https://github.com/mattermost/mattermost-mobile/blob/release-2.44/NOTICE.txt>`__.
 - Mattermost Mobile v2.43.0 - `View Open Source Components <https://github.com/mattermost/mattermost-mobile/blob/release-2.43/NOTICE.txt>`__.
 - Mattermost Mobile v2.42.0 - `View Open Source Components <https://github.com/mattermost/mattermost-mobile/blob/release-2.42/NOTICE.txt>`__.
 - Mattermost Mobile v2.41.0 - `View Open Source Components <https://github.com/mattermost/mattermost-mobile/blob/release-2.41/NOTICE.txt>`__.
@@ -144,6 +145,7 @@ Mobile
 Server
 ------------------------------
 
+- Mattermost Enterprise Edition v11.11.0 - `View Open Source Components <https://github.com/mattermost/mattermost-server/blob/release-11.11/NOTICE.txt>`__.
 - Mattermost Enterprise Edition v11.10.0 - `View Open Source Components <https://github.com/mattermost/mattermost-server/blob/release-11.10/NOTICE.txt>`__.
 - Mattermost Enterprise Edition v11.9.0 - `View Open Source Components <https://github.com/mattermost/mattermost-server/blob/release-11.9/NOTICE.txt>`__.
 - Mattermost Enterprise Edition v11.8.0 - `View Open Source Components <https://github.com/mattermost/mattermost-server/blob/release-11.8/NOTICE.txt>`__.

source/deployment-guide/server/linux/deploy-rhel.rst

@@ -44,7 +44,7 @@ In a terminal window, ssh onto the system that will host the Mattermost Server.
 
   .. code-block:: sh
 
-    wget https://releases.mattermost.com/11.10.1/mattermost-11.10.1-linux-amd64.tar.gz
+    wget https://releases.mattermost.com/11.11.0/mattermost-11.11.0-linux-amd64.tar.gz
 
 .. tab:: Current ESR
 

source/deployment-guide/server/linux/deploy-tar.rst

@@ -45,7 +45,7 @@ In a terminal window, ssh onto the system that will host the Mattermost Server.
 
   .. code-block:: sh
 
-    wget https://releases.mattermost.com/11.10.1/mattermost-11.10.1-linux-amd64.tar.gz
+    wget https://releases.mattermost.com/11.11.0/mattermost-11.11.0-linux-amd64.tar.gz
 
 .. tab:: Current ESR
 

source/deployment-guide/software-hardware-requirements.rst

@@ -141,6 +141,8 @@ When a PostgreSQL version reaches its end of life (EOL), Mattermost will require
 +------------------------------------------------------------+------------------+--------------------------------+
 | :ref:`v11.7 ESR <release-v11.7-extended-support-release>`  | 2026-5-15        | 14.x (EOL 2026-11-12)          |
 +------------------------------------------------------------+------------------+--------------------------------+
+| v12.0                                                      | 2026-10-14       | 15.x (EOL 2027-11-11)          |
++------------------------------------------------------------+------------------+--------------------------------+
 
 Customers will have 9 months to plan, test, and upgrade their PostgreSQL version before the new requirement takes effect. This policy aims to provide clarity and transparency so you can align database upgrades with the Mattermost release schedule. Contact a `Mattermost Expert <https://mattermost.com/contact-sales/>`_. to discuss your options.
 

source/product-overview/mattermost-desktop-releases.md

@@ -18,7 +18,7 @@ Mattermost releases a new desktop app version every 4 months, in February, May,
 
 | **Release** | **Support** | **Compatible with** |
 |:---|:---|:---|
-| v6.3 [Download](https://github.com/mattermost/desktop/releases/tag/v6.3.0) \| {ref}`Changelog <release-v6-3>` \| [SBOM download](https://github.com/mattermost/desktop/releases/download/v6.3.0/sbom-desktop-v6.3.0.json) | Released: 2026-08-14<br/>Support Ends: 2026-11-15 | {ref}`v11.10 <release-v11.10-feature-release>`, {ref}`v11.9 <release-v11.9-feature-release>`, {ref}`v11.8 <release-v11.8-feature-release>`, {ref}`v11.7 <release-v11.7-extended-support-release>` |
+| v6.3 [Download](https://github.com/mattermost/desktop/releases/tag/v6.3.0) \| {ref}`Changelog <release-v6-3>` \| [SBOM download](https://github.com/mattermost/desktop/releases/download/v6.3.0/sbom-desktop-v6.3.0.json) | Released: 2026-08-14<br/>Support Ends: 2026-11-15 | {ref}`v11.11 <release-v11.11-feature-release>`, {ref}`v11.10 <release-v11.10-feature-release>`, {ref}`v11.9 <release-v11.9-feature-release>`, {ref}`v11.8 <release-v11.8-feature-release>`, {ref}`v11.7 <release-v11.7-extended-support-release>` |
 | v6.2 [Download](https://github.com/mattermost/desktop/releases/tag/v6.2.3) \| {ref}`Changelog <release-v6-2>` \| [SBOM download](https://github.com/mattermost/desktop/releases/download/v6.2.3/sbom-desktop-v6.2.3.json) | Released: 2026-05-15<br/>Support Ends: 2027-05-15 {ref}`EXTENDED <release-types>` | {ref}`v11.9 <release-v11.9-feature-release>`, {ref}`v11.8 <release-v11.8-feature-release>`, {ref}`v11.7 <release-v11.7-extended-support-release>`, {ref}`v11.6 <release-v11.6-feature-release>`, {ref}`v11.5 <release-v11.5-feature-release>`, {ref}`v10.11 <release-v10.11-extended-support-release>` |
 | v6.1 [Download](https://github.com/mattermost/desktop/releases/tag/v6.1.2) \| {ref}`Changelog <release-v6-1>` \| [SBOM download](https://github.com/mattermost/desktop/releases/download/v6.1.2/sbom-desktop-v6.1.2.json) | Released: 2026-03-02<br/>Support Ends: 2026-05-15 | {ref}`v11.6 <release-v11.6-feature-release>`, {ref}`v11.5 <release-v11.5-feature-release>`, {ref}`v11.4 <release-v11.4-feature-release>`, {ref}`v11.3 <release-v11.3-feature-release>`, {ref}`v11.2 <release-v11.2-feature-release>`, {ref}`v10.11 <release-v10.11-extended-support-release>` |
 | v6.0 [Download](https://github.com/mattermost/desktop/releases/tag/v6.0.4) \| {ref}`Changelog <release-v6-0>` \| [SBOM download](https://github.com/mattermost/desktop/releases/download/v6.0.4/sbom-desktop-v6.0.4.json) | Released: 2025-11-14<br/>Support Ends: 2026-03-15 | {ref}`v11.4 <release-v11.4-feature-release>`, {ref}`v11.3 <release-v11.3-feature-release>`, {ref}`v11.2 <release-v11.2-feature-release>`, {ref}`v11.1 <release-v11.1-feature-release>`, {ref}`v11.0 <release-v11.0-major-release>`, {ref}`v10.12 <release-v10.12-feature-release>`, {ref}`v10.11 <release-v10.11-extended-support-release>` |

source/product-overview/mattermost-server-releases.md

@@ -19,6 +19,7 @@ Mattermost releases a new server version on the 16th of each month in [binary fo
 
 | **Release** | **Released on** | **Support ends** |
 |:---|:---|:---|
+| v11.11 [Download](https://releases.mattermost.com/11.11.0/mattermost-11.11.0-linux-amd64.tar.gz) \| {ref}`Changelog <release-v11.11-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v11.11.0/sbom-mattermost-v11.11.0.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/11.11.0/sbom-enterprise-v11.11.0.json">Enterprise</a></li></ul></details> | 2026-09-16 | 2026-12-15 |
 | v11.10 [Download](https://releases.mattermost.com/11.10.1/mattermost-11.10.1-linux-amd64.tar.gz) \| {ref}`Changelog <release-v11.10-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v11.10.1/sbom-mattermost-v11.10.1.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/11.10.1/sbom-enterprise-v11.10.1.json">Enterprise</a></li></ul></details> | 2026-08-14 | 2026-11-15 |
 | v11.9 [Download](https://releases.mattermost.com/11.9.1/mattermost-11.9.1-linux-amd64.tar.gz) \| {ref}`Changelog <release-v11.9-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v11.9.1/sbom-mattermost-v11.9.1.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/11.9.1/sbom-enterprise-v11.9.1.json">Enterprise</a></li></ul></details> | 2026-07-16 | 2026-10-15 |
 | v11.8 [Download](https://releases.mattermost.com/11.8.5/mattermost-11.8.5-linux-amd64.tar.gz) \| {ref}`Changelog <release-v11.8-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v11.8.5/sbom-mattermost-v11.8.5.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/11.8.5/sbom-enterprise-v11.8.5.json">Enterprise</a></li></ul></details> | 2026-06-16 | 2026-09-15 |

source/product-overview/release-policy.md

@@ -58,10 +58,11 @@ gantt
     v11.5                  :done, 2026-03-16, 2026-06-15
     v11.6                  :done, 2026-04-16, 2026-07-15
     v11.7 & Desktop App v6.2 Extended Support :crit, :active, 2026-05-15, 2027-05-15
-    v11.8                  :active, 2026-06-16, 2026-09-15
+    v11.8                  :done, 2026-06-16, 2026-09-15
     v11.9                  :active, 2026-07-16, 2026-10-15
     v11.10                 :active, 2026-08-14, 2026-11-15
     v11.11                 :active, 2026-09-16, 2026-12-15
+    v12.0                  :active, 2026-10-16, 2027-01-15
 ```
 
 **Timeline Legend:**

source/product-overview/ui-ada-changelog.rst

@@ -12,6 +12,26 @@ Changelog
 
    * - Version
      - Change Description
+   * - v11.11
+     - (UI) Added a "Hide Archived" toggle to the **Browse Channels** modal that hides archived channels by default.
+   * - v11.11
+     - (UI) Added a red warning callout in the System Console that appears beneath certain settings (SAML Verify Signature/Enable Encryption, Enable Insecure Outgoing Connections, Enable Developer Mode, Enable Testing Commands, wildcard CORS, and skipping SMTP/AD-LDAP certificate verification) when they are configured to a value that is not recommended for production.
+   * - v11.11
+     - (UI) Added weekly recurring scheduled posts so users can schedule messages that repeat weekly and keep their recurring schedule when rescheduled.
+   * - v11.11
+     - (UI) Added tooltips (Desktop, Mobile, Web Browser) to the platform icons shown for session attributes in the access control policy attribute picker.
+   * - v11.11
+     - (UI) Added operators for CIDR and version checks to the simple policy editor.
+   * - v11.11
+     - (UI) Licenses marked as non-production (``is_non_production``) now display a permanent, non-dismissible banner stating the server is licensed with a developer key and is not for use in production environments. The flag is exposed in the client license, support packet, and ``GET /api/v4/license/client`` response.
+   * - v11.11
+     - (UI) The invite modal now returns an error and does not send an invitation email when the invited email address belongs to a deactivated user account.
+   * - v11.11
+     - (UI) Policy simulation now evaluates draft rules against each selected user's recent sessions, including their session attributes.
+   * - v11.11
+     - (UI) Updated the local image proxy to enforce a maximum size limit when fetching images directly.
+   * - v11.11
+     - (UI) Adjusted user interface style for the post component's button for non-US environments.
    * - v11.10
      - (UI) Added a WYSIWYG editor option for message composition, allowing users to compose messages with rich-text formatting while preserving full markdown round-trip.
    * - v11.10