Mattermost Updates & Release Notes

Name: Mattermost
Brand: Mattermost

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37 updates curated from 1 source by the Releasebot Team. Last updated: Sep 18, 2026

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Team Chat

Nov 5, 2026
Date parsed from source:
Nov 5, 2026

First seen by Releasebot:
Sep 18, 2026

Modified by Releasebot:
Nov 11, 2026
Mattermost

v12.1.0-rc4

Mattermost releases Platform 12.1.0-rc4 as a release candidate.

Mattermost Platform Release 12.1.0-rc4
Original source
Nov 5, 2026
Date parsed from source:
Nov 5, 2026

First seen by Releasebot:
Jul 18, 2026

Modified by Releasebot:
Nov 11, 2026
Mattermost

v11.10.5

Mattermost releases Platform 11.10.5 with medium- to high-severity security fixes.

Mattermost Platform Release 11.10.5 contains Medium to High severity level security fixes.
Original source
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Nov 5, 2026
Date parsed from source:
Nov 5, 2026

First seen by Releasebot:
May 13, 2026

Modified by Releasebot:
Nov 5, 2026
Mattermost

v10.11.26

Mattermost releases Platform 10.11.26.

Mattermost Platform Release 10.11.26
Original source
Nov 5, 2026
Date parsed from source:
Nov 5, 2026

First seen by Releasebot:
Apr 15, 2026

Modified by Releasebot:
Nov 6, 2026
Mattermost

v11.7.15

Mattermost releases Extended Support 11.7.15 with security fixes ranging from low to high severity.

Mattermost Platform Extended Support Release 11.7.15 contains Low to High severity level security fixes.
Original source
Nov 4, 2026
Date parsed from source:
Nov 4, 2026

First seen by Releasebot:
Nov 5, 2026
Mattermost

v12.0.2

Mattermost releases Platform 12.0.2, marking a new platform release.

Mattermost Platform Release 12.0.2
Original source
Similar to Mattermost with recent updates:
Oct 28, 2026
Date parsed from source:
Oct 28, 2026

First seen by Releasebot:
Oct 29, 2026
Mattermost

v11.7.15-rc1

Mattermost releases Platform 11.7.15-rc1.

Mattermost Platform Release 11.7.15-rc1
Original source
Oct 24, 2026
Date parsed from source:
Oct 24, 2026

First seen by Releasebot:
Oct 27, 2026
Mattermost

server/public/v0.6.0

Mattermost expands its Plugin API with a change noted in the release entry.

39637f1 (HEAD -> master, origin/master) MM-71344 Plugin API: exp…
Original source
Oct 22, 2026
Date parsed from source:
Oct 22, 2026

First seen by Releasebot:
Apr 15, 2026

Modified by Releasebot:
Oct 23, 2026
Mattermost

v10.11.25

Mattermost releases Extended Support Release 10.11.25 with various bug fixes.

Mattermost Platform Extended Support Release 10.11.25 contains various bug fixes.
Original source
Oct 22, 2026
Date parsed from source:
Oct 22, 2026

First seen by Releasebot:
Apr 15, 2026

Modified by Releasebot:
Nov 5, 2026
Mattermost

v12.0.1

Mattermost releases Platform 12.0.1 with medium-severity security fixes.

Mattermost Platform Release 12.0.1 contains Medium severity level security fixes.
Original source
Oct 19, 2026
Date parsed from source:
Oct 19, 2026

First seen by Releasebot:
Oct 21, 2026

Modified by Releasebot:
Oct 29, 2026
Mattermost

v11.7.13

Mattermost releases Platform Extended Support Release 11.7.13 with security fixes addressing medium-severity issues.

Mattermost Platform Extended Support Release 11.7.13 contains Medium severity level security fixes.
Original source
Oct 16, 2026
Date parsed from source:
Oct 16, 2026

First seen by Releasebot:
Oct 17, 2026
Mattermost

v12.0.0

Mattermost releases Platform 12.0.0 with attribute management, channel labels, session attributes, and an improved direct-message calling experience.

Mattermost Platform Release 12.0.0 contains multiple new quality of life improvements, including Attribute Management, Ranked and Hierarchical Attributes, Channel Attributes and Labels, Session Attributes, and Improved DM Calls Experience.
Original source
Oct 8, 2026
Date parsed from source:
Oct 8, 2026

First seen by Releasebot:
Apr 22, 2026

Modified by Releasebot:
Oct 17, 2026
Mattermost

v11.7.12-rc2

Mattermost releases Platform 11.7.12-rc2.

Mattermost Platform Release 11.7.12-rc2
Original source
Oct 2, 2026
Date parsed from source:
Oct 2, 2026

First seen by Releasebot:
Aug 8, 2026

Modified by Releasebot:
Oct 3, 2026
Mattermost

v11.10.3-rc1

Mattermost releases Platform 11.10.3-rc1.

Mattermost Platform Release 11.10.3-rc1
Original source
Sep 24, 2026
Date parsed from source:
Sep 24, 2026

First seen by Releasebot:
May 19, 2026

Modified by Releasebot:
Sep 24, 2026
Mattermost

v11.11.1

Mattermost releases Platform 11.11.1 with various bug fixes.

Mattermost Platform Release 11.11.1 contains various bug fixes.
Original source
Sep 16, 2026
Date parsed from source:
Sep 16, 2026

First seen by Releasebot:
Sep 18, 2026
Mattermost

v10.11.24

Mattermost releases Platform Extended Support Release 10.11.24 with a high-severity security fix.

Mattermost Platform Extended Support Release 10.11.24 contains a High severity level security fix.
Original source