Mattermost Release Notes

Name: Mattermost
Brand: Mattermost

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28 release notes curated from 1 source by the Releasebot Team. Last updated: Aug 8, 2026

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Aug 7, 2026
Date parsed from source:
Aug 7, 2026

First seen by Releasebot:
Aug 8, 2026
Mattermost

v10.11.23-rc1

Mattermost ships Platform Release 10.11.23-rc1.

Mattermost Platform Release 10.11.23-rc1
Original source
Aug 7, 2026
Date parsed from source:
Aug 7, 2026

First seen by Releasebot:
Jun 18, 2026

Modified by Releasebot:
Aug 8, 2026
Mattermost

v11.8.5-rc1

Mattermost releases Platform 11.8.5-rc1.

Mattermost Platform Release 11.8.5-rc1
Original source
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Aug 7, 2026
Date parsed from source:
Aug 7, 2026

First seen by Releasebot:
Apr 22, 2026

Modified by Releasebot:
Aug 8, 2026
Mattermost

v11.9.1-rc1

Mattermost ships Platform Release 11.9.1-rc1.

Mattermost Platform Release 11.9.1-rc1
Original source
Aug 4, 2026
Date parsed from source:
Aug 4, 2026

First seen by Releasebot:
Apr 15, 2026

Modified by Releasebot:
Aug 8, 2026
Mattermost

v11.10.0-rc3

Mattermost releases Platform 11.10.0-rc3, a release candidate for the latest platform update.

Mattermost Platform Release 11.10.0-rc3
Original source
Jul 31, 2026
Date parsed from source:
Jul 31, 2026

First seen by Releasebot:
Apr 15, 2026

Modified by Releasebot:
Aug 2, 2026
Mattermost

v11.7.8

Mattermost ships Platform Extended Support Release 11.7.8 with bug fixes.

Mattermost Platform Extended Support Release 11.7.8 contains bug fixes.
Original source
Similar to Mattermost with recent updates:
Jul 17, 2026
Date parsed from source:
Jul 17, 2026

First seen by Releasebot:
Jul 18, 2026
Mattermost

v11.8.4

Mattermost releases Platform 11.8.4 with medium to high severity security fixes.

Mattermost Platform Release 11.8.4 contains Medium to High severity level security fixes.
Original source
Jul 17, 2026
Date parsed from source:
Jul 17, 2026

First seen by Releasebot:
Jul 18, 2026
Mattermost

v10.11.22

Mattermost releases Platform Extended Support Release 10.11.22 with Low to High severity security fixes.

Mattermost Platform Extended Support Release 10.11.22 contains Low to High severity level security fixes.
Original source
Jul 17, 2026
Date parsed from source:
Jul 17, 2026

First seen by Releasebot:
Apr 15, 2026

Modified by Releasebot:
Jul 18, 2026
Mattermost

v11.7.7

Mattermost ships Platform Extended Support Release 11.7.7 with low to high severity security fixes.

Mattermost Platform Extended Support Release 11.7.7 contains Low to High severity level security fixes.
Original source
Jul 16, 2026
Date parsed from source:
Jul 16, 2026

First seen by Releasebot:
Jul 18, 2026
Mattermost

v11.9.0

Mattermost releases Platform 11.9.0 with quality of life improvements like Ranked Attributes, ABAC rules, Program Masking and Azure Blob Storage.

Mattermost Platform Release 11.9.0 contains multiple new quality of life improvements, including Ranked Attributes, ABAC per-action Permission Rules, Program Masking, and Azure Blob Storage.
Original source
Jul 8, 2026
Date parsed from source:
Jul 8, 2026

First seen by Releasebot:
May 19, 2026

Modified by Releasebot:
Jul 10, 2026
Mattermost

v11.8.3

Mattermost Platform Release 11.8.3 brings various bug fixes for a smoother experience.

Mattermost Platform Release 11.8.3 contains various bug fixes.
Original source
Jul 2, 2026
Date parsed from source:
Jul 2, 2026

First seen by Releasebot:
Jun 18, 2026

Modified by Releasebot:
Jul 18, 2026
Mattermost

v11.9.0-rc3

Mattermost releases Platform 11.9.0-rc3, a new release candidate for the Mattermost platform.

Mattermost Platform Release 11.9.0-rc3
Original source
Jun 26, 2026
Date parsed from source:
Jun 26, 2026

First seen by Releasebot:
Jul 18, 2026
Mattermost

server/public/v0.4.3

Mattermost fixes a Preserve opti… issue.

f31c286 (HEAD -> master, origin/master) [MM-69328] Preserve opti…
Original source
Jun 26, 2026
Date parsed from source:
Jun 26, 2026

First seen by Releasebot:
Apr 15, 2026

Modified by Releasebot:
Jul 10, 2026
Mattermost

v11.6.6

Mattermost releases Platform 11.6.6 with medium-severity security fixes.

Mattermost Platform Release 11.6.6 contains Medium severity level security fixes.
Original source
Jun 25, 2026
Date parsed from source:
Jun 25, 2026

First seen by Releasebot:
Apr 15, 2026

Modified by Releasebot:
Jun 25, 2026
Mattermost

v11.7.6

Mattermost releases Platform 11.7.6.

Mattermost Platform Release 11.7.6
Original source
Jun 16, 2026
Date parsed from source:
Jun 16, 2026

First seen by Releasebot:
Jun 16, 2026
Mattermost

v11.8.0

Mattermost releases Platform 11.8.0 with channel banners, data spillage reports, managed sidebar categories, and mobile offline purge.

Mattermost Platform Release 11.8.0 contains multiple new quality of life improvements, including Classification Markings: Channel Banners, Data Spillage: Report, Managed Sidebar Categories, and Mobile Ephemeral Mode: Milestone 1 (Offline Purge).
Original source