Common Esr Support Upgrade - Mattermost

Support for Mattermost Server v10.11 Extended Support Release is coming to the end of its life cycle on August 15, 2026. Upgrading to Mattermost Server v11.7 or later is recommended.
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 or the v11.7 ESR.
See the Important Upgrade Notes documentation for details on upgrading to a newer release.
See the changelog in progress for details about the upcoming release.
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