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27898f0
Transition v10.11 / Desktop v5.13 ESR out of supported status
github-actions[bot] Jul 21, 2026
62f1ca7
Revert common-esr-support-rst.rst to master
amyblais Jul 21, 2026
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Revert common-esr-support-upgrade.md to master
amyblais Jul 21, 2026
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Revert common-esr-support.md to master
amyblais Jul 21, 2026
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Update release-policy.md
amyblais Jul 21, 2026
02179c1
Update ESR support snippet to reflect v10.11 ESR has reached end of life
amyblais Jul 22, 2026
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Update ESR support snippet to reflect v10.11 ESR has reached end of life
amyblais Jul 22, 2026
772d8c5
Update ESR support snippet to reflect v10.11 ESR has reached end of life
amyblais Jul 22, 2026
d23dd59
Update ESR support note to reflect v10.11 ESR has reached end of life
amyblais Jul 22, 2026
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Update prepare-to-upgrade-mattermost.rst
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Update common-esr-support-rst.rst
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Update common-esr-support-upgrade.md
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Update common-esr-support.md
amyblais Jul 22, 2026
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Fix corrupted null-escape sequences in troubleshooting section
amyblais Jul 22, 2026
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Update release-policy.md
amyblais Jul 29, 2026
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amyblais Aug 4, 2026
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claude Aug 4, 2026
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amyblais Aug 6, 2026
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Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ We strongly recommend that you:
- Upgrade your instance of Mattermost to the latest :doc:`Extended Support Release (ESR) </product-overview/mattermost-server-releases>` first before attempting to run the Mattermost v6.0 upgrade.

.. important::
Support for Mattermost Server v10.11 :doc:`Extended Support Release </product-overview/mattermost-server-releases>` is coming to the end of its life cycle on August 15, 2026. Upgrading to Mattermost Server v11.7 Extended Support Release or later is recommended. Upgrading from the previous Extended Support Release to the latest Extended Support Release is supported. Review the :doc:`important-upgrade-notes` for all intermediate versions in between to ensure you’re aware of the possible migrations that could affect your upgrade.
Support for Mattermost Server v10.11 :doc:`Extended Support Release </product-overview/mattermost-server-releases>` has come to the end of its life cycle on August 15, 2026. Upgrading to Mattermost Server v11.7 Extended Support Release or later is required. Upgrading from the previous Extended Support Release to the latest Extended Support Release is supported. Review the :doc:`important-upgrade-notes` for all intermediate versions in between to ensure you’re aware of the possible migrations that could affect your upgrade.

v6.0 database schema migrations
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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2 changes: 1 addition & 1 deletion source/product-overview/common-esr-support-rst.rst
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Expand Up @@ -3,4 +3,4 @@

.. important::

Support for Mattermost Server v10.11 :ref:`Extended Support Release <product-overview/release-policy:extended support releases>` is coming to the end of its life cycle on August 15, 2026. Upgrading to :doc:`Mattermost Server v11.7 or later </product-overview/mattermost-server-releases>` is recommended.
Support for Mattermost Server v10.11 :ref:`Extended Support Release <product-overview/release-policy:extended support releases>` has come to the end of its life cycle on August 15, 2026. Upgrading to :doc:`Mattermost Server v11.7 or later </product-overview/mattermost-server-releases>` is required.
2 changes: 1 addition & 1 deletion source/product-overview/common-esr-support-upgrade.md
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@@ -1,6 +1,6 @@
<!-- Snippet include; not intended to be a standalone page -->

- Support for Mattermost Server v10.11 [Extended Support Release](https://docs.mattermost.com/product-overview/release-policy.html#extended-support-releases) is coming to the end of its life cycle on August 15, 2026. Upgrading to Mattermost Server v11.7 or later is recommended.
- Support for Mattermost Server v10.11 [Extended Support Release](https://docs.mattermost.com/product-overview/release-policy.html#extended-support-releases) has come to the end of its life cycle on August 15, 2026. Upgrading to Mattermost Server v11.7 or later is required.
- Upgrading from one Extended Support Release (ESR) to the next ESR (``major`` -> ``major_next``) is fully supported and tested. However, upgrading across multiple ESR versions (``major`` to ``major+2``) is supported, but not tested. If you plan to skip versions, we strongly recommend upgrading only between ESR releases. For example, if you're upgrading from v8.1 ESR, upgrade to the v9.5 ESR or the v9.11 ESR before attempting to upgrade to the [v10.11 ESR](https://docs.mattermost.com/product-overview/mattermost-v10-changelog.html#release-v10-11-extended-support-release) or the [v11.7 ESR](https://docs.mattermost.com/product-overview/mattermost-server-releases.html).
- See the [Important Upgrade Notes](https://docs.mattermost.com/upgrade/important-upgrade-notes.html) documentation for details on upgrading to a newer release.
- See the [changelog in progress](https://bit.ly/2nK3cVf) for details about the upcoming release.
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4 changes: 2 additions & 2 deletions source/product-overview/common-esr-support.md
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@@ -1,4 +1,4 @@
<!-- Snippet include; not intended to be a standalone page -->

- Support for Mattermost Server v10.11 [Extended Support Release](https://docs.mattermost.com/product-overview/release-policy.html#extended-support-releases) is coming to the end of its life cycle on August 15, 2026. Upgrading to [Mattermost Server v11.7](https://docs.mattermost.com/product-overview/mattermost-server-releases.html) or later is recommended.
- All Mattermost users must accept Mattermost's [Acceptable Use Policy](https://mattermost.com/terms-of-use/#acceptable-use-policy) and [Privacy Policy](https://mattermost.com/privacy-policy/) when creating an account or accessing Mattermost. For customers with a Mattermost subscription, including self-hosted deployments, organizations may replace or override the Acceptable Use Policy in the [Mattermost System Console](https://docs.mattermost.com/administration-guide/configure/site-configuration-settings.html#terms-of-use-link) with their own acceptable use or conduct policies, based on contractual terms with Mattermost, so long as your own terms either incorporate the Acceptable Use Policy or include equivalent terms. If you change the default link to add your own terms for using the service you provide, your new terms must include a link to the default terms so end users are aware of the Mattermost Acceptable Use Policy for Mattermost software.
- Support for Mattermost Server v10.11 [Extended Support Release](https://docs.mattermost.com/product-overview/release-policy.html#extended-support-releases) has come to the end of its life cycle on August 15, 2026. Upgrading to [Mattermost Server v11.7](https://docs.mattermost.com/product-overview/mattermost-server-releases.html) or later is required.
- All Mattermost users must accept Mattermost's [Acceptable Use Policy](https://mattermost.com/terms-of-use/#acceptable-use-policy) and [Privacy Policy](https://mattermost.com/privacy-policy/) when creating an account or accessing Mattermost. For customers with a Mattermost subscription, including self-hosted deployments, organizations may replace or override the Acceptable Use Policy in the [Mattermost System Console](https://docs.mattermost.com/administration-guide/configure/site-configuration-settings.html#terms-of-use-link) with their own acceptable use or conduct policies, based on contractual terms with Mattermost, so long as your own terms either incorporate the Acceptable Use Policy or include equivalent terms. If you change the default link to add your own terms for using the service you provide, your new terms must include a link to the default terms so end users are aware of the Mattermost Acceptable Use Policy for Mattermost software.
14 changes: 7 additions & 7 deletions source/product-overview/release-policy.md
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Expand Up @@ -25,9 +25,9 @@ See the full list of all Mattermost Server and desktop app releases and life cyc

Mattermost Extended Support Releases (ESRs) are a strategic choice for organizations looking for stability and reduced frequency of updates. Using ESRs can minimize disruptions associated with frequent upgrades, making them an attractive option for environments where stability is paramount.

Starting with the August 2025 Mattermost server and desktop app releases (server v10.11 and desktop app v5.13), Mattermost has adjusted the ESR life cycle as follows:
- **Extended Cadence**: ESRs are released every 9 months.
- **Prolonged Support**: ESRs are supported for 12 months.
The lifecycle for Mattermost server and desktop app Extended Support Releases is as follows:
- **Cadence**: ESRs are released every 9 months.
- **Support**: ESRs are supported for 12 months.

We strongly recommend planning ahead for upgrades before the end of an ESR's life cycle to ensure continuity in receiving security updates.

Expand All @@ -48,7 +48,6 @@ gantt
axisFormat %b %y

section Releases
v10.10 :done, 2025-07-16, 2025-10-15
v10.11 & Desktop App v5.13 Extended Support :crit, 2025-08-16, 2026-08-15
v10.12 :done, 2025-09-16, 2025-12-15
v11.0 :done, 2025-10-16, 2026-01-15
Expand All @@ -61,15 +60,16 @@ gantt
v11.7 & Desktop App v6.2 Extended Support :crit, 2026-05-15, 2027-05-15
v11.8 :active, 2026-06-16, 2026-09-15
v11.9 :active, 2026-07-16, 2026-10-15
v11.10 :active, 2026-08-16, 2026-11-15
v11.10 :active, 2026-08-14, 2026-11-15
v11.11 :active, 2026-09-16, 2026-12-15
```

**Timeline Legend:**
The chart above shows both release dates and end-of-life dates for each version. ESRs provide longer-term stability for organizations preferring less frequent updates.
- 🔵 **Blue bars**: Regular feature releases (monthly releases with standard support lifecycle)
- 🔴 **Red bars**: Extended Support Releases (ESRs), released every 9 months with 12 months of support
- v10.11 & Desktop App v5.13: Supported until August 15, 2026
- v11.7 & Desktop App v6.2: Supported until May 15, 2027
- v10.11 & Desktop App v5.13: Support ended August 15, 2026
Comment thread
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(esr-notifications)=
### ESR Notifications
Expand All @@ -88,7 +88,7 @@ The following table lists all releases across Mattermost v7.0, v8.0, and v9.0, i

```{Important}
- If you're on a legacy Mattermost release prior to v7.1, in order to take advantage of newer Mattermost releases, you must upgrade to [v7.1 ESR](https://docs.mattermost.com/product-overview/unsupported-legacy-releases.html#release-v7-1-extended-support-release) at a minimum.
- Upgrading from one Extended Support Release (ESR) to the next ESR (``major`` -> ``major_next``) is fully supported and tested. However, upgrading across multiple ESR versions (``major`` to ``major+2``) is supported, but not tested. If you plan to skip versions, we strongly recommend upgrading only between ESR releases. For example, if you're upgrading from v8.1 ESR, upgrade to the v9.5 ESR or the v9.11 ESR before attempting to upgrade to the [v10.11 ESR](https://docs.mattermost.com/product-overview/mattermost-v10-changelog.html#release-v10-11-extended-support-release) or the [v11.7 ESR](https://docs.mattermost.com/product-overview/mattermost-v11-changelog.html#release-v11-7-extended-support-release).
- Upgrading from one Extended Support Release (ESR) to the next ESR (``major`` -> ``major_next``) is fully supported and tested. However, upgrading across multiple ESR versions (``major`` to ``major+2``) is supported, but not tested. If you plan to skip versions, we strongly recommend upgrading only between ESR releases. For example, if you're upgrading from v8.1 ESR, upgrade to the v9.5 ESR or the v9.11 ESR before attempting to upgrade to the [v11.7 ESR](https://docs.mattermost.com/product-overview/mattermost-v11-changelog.html#release-v11-7-extended-support-release).
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```

| **Release** | **Release Type** | **Support ended** |
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