Add desktop breaking change note (#6722)

* Update desktop-app-changelog.rst * Update important-upgrade-notes.rst * Update self-managed-changelog.md * Update desktop-app-changelog.rst * Update desktop-app-changelog.rst * Update source/install/desktop-app-changelog.rst Co-authored-by: Maria A Nunez <[email protected]> * Update source/install/desktop-app-changelog.rst Co-authored-by: Maria A Nunez <[email protected]> * Update source/install/desktop-app-changelog.rst Co-authored-by: Maria A Nunez <[email protected]> * Update desktop-app-changelog.rst * Update self-managed-changelog.md * Apply suggestions from code review Co-authored-by: Jason Blais <[email protected]> * Update cloud-changelog.md * Update important-upgrade-notes.rst --------- Co-authored-by: Maria A Nunez <[email protected]> Co-authored-by: Jason Blais <[email protected]>
mattermost · Oct 19, 2023 · 3f3c593 · 3f3c593
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diff --git a/source/install/cloud-changelog.md b/source/install/cloud-changelog.md
@@ -81,6 +81,7 @@ Latest Mattermost Cloud releases:
 
 ### Compatibility
  - Updated Chromium minimum supported version to 116+.
+ - Minimum supported Desktop App version is now v5.3. OAuth/SAML flows were modified to include ``desktop_login`` which makes earlier versions incompatible.
 
 ### Improvements
 

diff --git a/source/install/desktop-app-changelog.rst b/source/install/desktop-app-changelog.rst
@@ -227,7 +227,8 @@ Release v5.2
 Compatibility
 ~~~~~~~~~~~~~~~
 
-- Desktop App is supported on any supported Extended Support Release or a newer Mattermost server version.
+- Desktop App is supported on any supported Extended Support Release up to v8.1 ESR.
+- Desktop App v5.2 is incompatible with server versions v9.1 and later.
 
 Highlights
 ~~~~~~~~~~~~~~~
@@ -320,7 +321,8 @@ Release v5.1
 Compatibility
 ~~~~~~~~~~~~~~~
 
-- Desktop Apps is supported on any supported Extended Support Release or a newer Mattermost server version.
+- Desktop App is supported on any supported Extended Support Release up to v8.1 ESR.
+- Desktop App v5.1 is incompatible with server versions v9.1 and later.
 
 Highlights
 ~~~~~~~~~~~~~~~
@@ -431,7 +433,8 @@ Release v5.0
 Compatibility
 ~~~~~~~~~~~~~~~
 
-- Desktop Apps is supported on any supported Extended Support Release or a newer Mattermost server version.
+- Desktop App is supported on any supported Extended Support Release up to v8.1 ESR.
+- Desktop App v5.0 is incompatible with server versions v9.1 and later.
 
 Breaking Changes / Upgrade Notes
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

diff --git a/source/install/self-managed-changelog.md b/source/install/self-managed-changelog.md
@@ -18,6 +18,7 @@ Latest Mattermost Releases:
 
 ### Important Upgrade Notes
  - Improved performance on data retention ``DeleteOrphanedRows`` queries. See the [Important Upgrade Notes](https://docs.mattermost.com/upgrade/important-upgrade-notes.html) for notes on a new migration that was added. Removed feature flag ``DataRetentionConcurrencyEnabled``. Data retention now runs without concurrency in order to avoid any performance degradation. Added a new configuration setting ``DataRetentionSettings.RetentionIdsBatchSize``, which allows admins to to configure how many batches of IDs will be fetched at a time when deleting orphaned reactions. The default value is 100.
+ - Minimum supported Desktop App version is now v5.3. OAuth/SAML flows were modified to include ``desktop_login`` which makes earlier versions incompatible.
 
 **IMPORTANT:** If you upgrade from a release earlier than v9.0, please read the other [Important Upgrade Notes](https://docs.mattermost.com/upgrade/important-upgrade-notes.html).
 

diff --git a/source/upgrade/important-upgrade-notes.rst b/source/upgrade/important-upgrade-notes.rst
@@ -43,6 +43,8 @@ Important Upgrade Notes
 |                                                    |                                                                                                                                                                  | 
 |                                                    | Added a new configuration setting ``DataRetentionSettings.RetentionIdsBatchSize``, which allows admins to configure how many batches of IDs will be fetched at   |
 |                                                    | a time when deleting orphaned reactions. The default value is 100.                                                                                               |
+|                                                    +------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+|                                                    | Minimum supported Desktop App version is now v5.3. OAuth/SAML flows were modified to include ``desktop_login`` which makes earlier versions incompatible.        |
 +----------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 | v9.0                                               | Removed the deprecated Insights feature.                                                                                                                         |
 |                                                    +------------------------------------------------------------------------------------------------------------------------------------------------------------------+