Dot release docs v11.3.1, v11.2.3, and v10.11.11 #8705

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amyblais wants to merge 15 commits into master from claude/issue-8703-20260202-1006

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

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     | If you're upgrading                                | Then...                                                                                                                                                          |
     | from a version earlier than...                     |                                                                                                                                                                  |
     +====================================================+==================================================================================================================================================================+
-    | v11.3                                              | Added schema changes in the form of a new tables (``ReadReceipts`` and ``TemporaryPosts``) that aggregate user attributes into a separate table. Added ``Type``  |
+    | v11.3                                              | Starting in v11.3.1, photoshop Document (PSD) files are now no longer inline previewed, they are treated as regular file attachments.                            |
+    |                                                    +------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+    |                                                    | Added schema changes in the form of a new tables (``ReadReceipts`` and ``TemporaryPosts``) that aggregate user attributes into a separate table. Added ``Type``  |
     |                                                    | field for both ``Drafts`` and ``ScheduledPosts``. A previous version of Mattermost can run with the new schema changes. The migrations are fully                 |
     |                                                    | backwards-compatible and no database downtime is expected for this upgrade. The SQL queries included are:                                                        |
     |                                                    |                                                                                                                                                                  |
@@ Expand Down Expand Up @@
     |                                                    | implement additional code to support RHS popouts if their RHS component relies on plugin-specific state. See                                                     |
     |                                                    | `this forum post <https://forum.mattermost.com/t/rhs-popout-support-for-plugins/25626>`__ for full details.                                                      |
     +----------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-    | v11.2                                              | Added a new column to the ``OAuthApps`` table called ``isdynamicallyregistered``. It has a default value of ``false``. Also added three new columns to the       |
+    | v11.2                                              | Starting in v11.2.3, photoshop Document (PSD) files are now no longer inline previewed, they are treated as regular file attachments.                            |
+    |                                                    +------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+    |                                                    | Added a new column to the ``OAuthApps`` table called ``isdynamicallyregistered``. It has a default value of ``false``. Also added three new columns to the       |
     |                                                    | ``OAuthAuthData`` table called ``resource``, ``codechallenge`` and ``codechallengemethod``. All columns default to ``‘’``. Also added a new column to the        |
     |                                                    | ``OAuthAccessData`` table called ``audience``. It has a default value of ``‘’``. The migrations are fully backwards-compatible and no database downtime is       |
     |                                                    | expected for this upgrade. The tables take an ``ACCESS EXCLUSIVE LOCK``, however it is only to add/remove the metadata. The command returns instantly.           |
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     +----------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
     | v10.12                                             | There are no important upgrade notes in v10.12 release.                                                                                                          |
     +----------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-    | v10.11                                             | Mattermost v10.11.4 introduces a new API endpoint ``/api/v4/users/login/sso/code-exchange`` as part of security enhancements to the SSO authentication flow.     |
+    | v10.11                                             | Starting in v10.11.11, photoshop Document (PSD) files are now no longer inline previewed, they are treated as regular file attachments.                          |
+    |                                                    +------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+    |                                                    | Mattermost v10.11.4 introduces a new API endpoint ``/api/v4/users/login/sso/code-exchange`` as part of security enhancements to the SSO authentication flow.     |
     |                                                    | Customer using SSO (e.g. with SAML) should ensure network configurations allow traffic to this endpoint.                                                         |
     +----------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
     | v10.10                                             | Added a new column ``DefaultCategoryName`` to the ``Channels`` table. This is nullable and stores a category name to be added/created when new users join a      |
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source/deployment-guide/server/linux/deploy-rhel.rst

            
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    @@ -44,13 +44,13 @@ In a terminal window, ssh onto the system that will host the Mattermost Server.
  
      .. code-block:: sh

        wget https://releases.mattermost.com/11.3.0/mattermost-11.3.0-linux-amd64.tar.gz

        wget https://releases.mattermost.com/11.3.1/mattermost-11.3.1-linux-amd64.tar.gz

    .. tab:: Current ESR

      .. code-block:: sh

        wget https://releases.mattermost.com/10.11.10/mattermost-10.11.10-linux-amd64.tar.gz

        wget https://releases.mattermost.com/10.11.11/mattermost-10.11.11-linux-amd64.tar.gz

    .. tab:: Older releases

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

            
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    @@ -45,13 +45,13 @@ In a terminal window, ssh onto the system that will host the Mattermost Server.
  
      .. code-block:: sh

        wget https://releases.mattermost.com/11.3.0/mattermost-11.3.0-linux-amd64.tar.gz

        wget https://releases.mattermost.com/11.3.1/mattermost-11.3.1-linux-amd64.tar.gz

    .. tab:: Current ESR

      .. code-block:: sh

        wget https://releases.mattermost.com/10.11.10/mattermost-10.11.10-linux-amd64.tar.gz

        wget https://releases.mattermost.com/10.11.11/mattermost-10.11.11-linux-amd64.tar.gz

    .. tab:: Older releases

source/product-overview/deprecated-features.rst

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     Removed features in upcoming versions
     -------------------------------------
-    Mattermost Server v11.4 (February 2026)
-    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-    - Photoshop Document (PSD) files will no longer be inline previewed, they will be treated as regular file attachments.
     Mattermost Desktop App v6.1 (February 2026)
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ Expand All / @@ -19,6 +14,11 @@ Mattermost Desktop App v6.1 (February 2026) @@
     Removed features by Mattermost version
     ----------------------------------------
+    Mattermost Server v11.4 (February 2026)
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    - Photoshop Document (PSD) files are now no longer inline previewed, they are treated as regular file attachments. This change has also been applied to v11.3.1, v11.2.3, and v10.11.11 (Extended Support Release) dot releases.
     Mattermost Mobile App v2.36.4 (January 2026)
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ Expand Down @@

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

            
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    | **Release** | **Released on** | **Support ends** |

    |:---|:---|:---|

    | v11.3 [Download](https://releases.mattermost.com/11.3.0/mattermost-11.3.0-linux-amd64.tar.gz) \| {ref}`Changelog <release-v11.3-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v11.3.0/sbom-mattermost-v11.3.0.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/11.3.0/sbom-enterprise-v11.3.0.json">Enterprise</a></li></ul></details> | 2026-01-16 | 2026-04-15 |

    | v11.2 [Download](https://releases.mattermost.com/11.2.2/mattermost-11.2.2-linux-amd64.tar.gz) \| {ref}`Changelog <release-v11.2-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v11.2.2/sbom-mattermost-v11.2.2.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/11.2.2/sbom-enterprise-v11.2.2.json">Enterprise</a></li></ul></details> | 2025-12-16 | 2026-03-15 |

    | v11.3 [Download](https://releases.mattermost.com/11.3.1/mattermost-11.3.1-linux-amd64.tar.gz) \| {ref}`Changelog <release-v11.3-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v11.3.1/sbom-mattermost-v11.3.1.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/11.3.1/sbom-enterprise-v11.3.1.json">Enterprise</a></li></ul></details> | 2026-01-16 | 2026-04-15 |

    | v11.2 [Download](https://releases.mattermost.com/11.2.3/mattermost-11.2.3-linux-amd64.tar.gz) \| {ref}`Changelog <release-v11.2-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v11.2.3/sbom-mattermost-v11.2.3.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/11.2.3/sbom-enterprise-v11.2.3.json">Enterprise</a></li></ul></details> | 2025-12-16 | 2026-03-15 |

    | v11.1 [Download](https://releases.mattermost.com/11.1.3/mattermost-11.1.3-linux-amd64.tar.gz) \| {ref}`Changelog <release-v11.1-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v11.1.3/sbom-mattermost-v11.1.3.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/11.1.3/sbom-enterprise-v11.1.3.json">Enterprise</a></li></ul></details> | 2025-11-14 | 2026-02-15 |

    | v11.0 [Download](https://releases.mattermost.com/11.0.7/mattermost-11.0.7-linux-amd64.tar.gz) \| {ref}`Changelog <release-v11.0-major-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v11.0.7/sbom-mattermost-v11.0.7.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/11.0.7/sbom-enterprise-v11.0.7.json">Enterprise</a></li></ul></details> | 2025-10-16 | 2026-01-15 |

    | v10.12 [Download](https://releases.mattermost.com/10.12.4/mattermost-10.12.4-linux-amd64.tar.gz) \| {ref}`Changelog <release-v10.12-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v10.12.4/sbom-mattermost-v10.12.4.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/10.12.4/sbom-enterprise-v10.12.4.json">Enterprise</a></li></ul></details> | 2025-09-16 | 2025-12-15 |

    | v10.11 [Download](https://releases.mattermost.com/10.11.10/mattermost-10.11.10-linux-amd64.tar.gz) \| {ref}`Changelog <release-v10.11-extended-support-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v10.11.10/sbom-mattermost-v10.11.10.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/10.11.10/sbom-enterprise-v10.11.10.json">Enterprise</a></li></ul></details> | 2025-08-15 | 2026-08-15 {ref}`EXTENDED <release-types>` |

    | v10.11 [Download](https://releases.mattermost.com/10.11.11/mattermost-10.11.11-linux-amd64.tar.gz) \| {ref}`Changelog <release-v10.11-extended-support-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v10.11.11/sbom-mattermost-v10.11.11.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/10.11.11/sbom-enterprise-v10.11.11.json">Enterprise</a></li></ul></details> | 2025-08-15 | 2026-08-15 {ref}`EXTENDED <release-types>` |

    | v10.10 [Download](https://releases.mattermost.com/10.10.3/mattermost-10.10.3-linux-amd64.tar.gz) \| {ref}`Changelog <release-v10.10-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v10.10.3/sbom-mattermost-v10.10.3.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/10.10.3/sbom-enterprise-v10.10.3.json">Enterprise</a></li></ul></details> | 2025-07-16 | 2025-10-15 |

    | v10.9 [Download](https://releases.mattermost.com/10.9.5/mattermost-10.9.5-linux-amd64.tar.gz) \| {ref}`Changelog <release-v10.9-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v10.9.5/sbom-mattermost-v10.9.5.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/10.9.5/sbom-enterprise-v10.9.5.json">Enterprise</a></li></ul></details> | 2025-06-16 | 2025-09-15 |

    | v10.8 [Download](https://releases.mattermost.com/10.8.4/mattermost-10.8.4-linux-amd64.tar.gz) \| {ref}`Changelog <release-v10.8-feature-release>` \| <details class="mm-sbom"><summary>SBOM</summary><ul><li><a href="https://github.com/mattermost/mattermost/releases/download/v10.8.4/sbom-mattermost-v10.8.4.json">Team Edition</a></li><li><a href="https://releases.mattermost.com/10.8.4/sbom-enterprise-v10.8.4.json">Enterprise</a></li></ul></details> | 2025-05-16 | 2025-08-15 |

source/product-overview/mattermost-v10-changelog.md

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     (release-v10.11-extended-support-release)=
     ## Release v10.11 - [Extended Support Release](https://docs.mattermost.com/product-overview/release-policy.html#release-types)
+    - **10.11.11, released 2026-02-02**
+    ```{Attention}
+    **Breaking Changes**
+     - Photoshop Document (PSD) files are now no longer inline previewed, they are treated as regular file attachments.
+    ```
+      - Mattermost v10.11.11 contains low to high severity level security fixes. [Upgrading](https://docs.mattermost.com/upgrade/upgrading-mattermost-server.html) to this release is recommended. Details will be posted on our [security updates page](https://mattermost.com/security-updates/) 30 days after release as per the [Mattermost Responsible Disclosure Policy](https://mattermost.com/security-vulnerability-report/).
+      - Pre-packaged Boards plugin version [v9.2.2](https://github.com/mattermost/mattermost-plugin-boards/releases/tag/v9.2.2).
+      - Fixed an issue where the channel URL got updated when the channel display name was changed [MM-64725](https://mattermost.atlassian.net/browse/MM-64725).
+      - Added audit logs for when admins access posts on channels they are not a member of [MM-64460](https://mattermost.atlassian.net/browse/MM-64460).
+      - Fixed a performance regression that caused the requests to populate the **Recent mentions** right-hand side (RHS) to timeout. This, in turn, re-introduces a known bug in searches with quoted strings, that may include results not exactly matching the quoted string [MM-66782](https://mattermost.atlassian.net/browse/MM-66782).
+      - Fixed an issue with PSD file previews.
+      - Added a new ``MM_LOG_PATH`` environment variable to restrict log file locations. Log files must now be within a configured root directory.
+      - Fixed an issue where the ``/mute`` slash command could be used to enumerate private channels.
+      - Fixed an issue with permalink preview information after losing channel or team permissions.
+      - User's actual authentication method is now validated before processing authentication type switch.
+      - Fixed an issue where users removed from a private team could still enumerate public channels in that team via the channel search API.
+      - Fixed an issue with permalink embeds arriving from websocket messages.
+      - Fixed a memory allocation issue by updating ``mscfb`` and ``msoleps`` dependencies.
+      - ``/api/v4/access_control_policies/{policy_id}/activate`` has been deprecated.
+      - Fixed an issue with memory use during integration actions.
+      - Updated the POST `/api/v4/teams` team creation API to omit the `invite_id` value in the response when the requesting user does not have permission to invite members to the new team.
+      - ``ImportSettings.Directory`` can no longer be modified through the REST API. Infrastructure operators can still modify this setting via configuration file, environment variables, or mmctl in local mode.
+      - Fixed a permission validation issue when attaching files to posts.
+      - Mattermost v10.11.11 contains no database or functional changes.
     - **10.11.10, released 2026-01-15**
       - Mattermost v10.11.10 contains low to medium severity level security fixes. [Upgrading](https://docs.mattermost.com/upgrade/upgrading-mattermost-server.html) to this release is recommended. Details will be posted on our [security updates page](https://mattermost.com/security-updates/) 30 days after release as per the [Mattermost Responsible Disclosure Policy](https://mattermost.com/security-vulnerability-report/).
       - Fixed a server panic that occurred when a bot created a post with persistent notifications enabled [MM-65575](https://mattermost.atlassian.net/browse/MM-65575).
@@ Expand Down @@

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