Mattermost 11.3

End of life

11.3.3 Release notes ↗

Is Mattermost 11.3 still supported?

No

Mattermost 11.3 reached end of life on Apr 15, 2026 (5 months ago). It no longer gets updates, including security fixes. Upgrade to Mattermost 11.11 (latest 11.11.1), supported until Dec 15, 2026.

Released
Jan 16, 2026
End of life
Apr 15, 2026
5 months ago
Latest version
11.3.3
Mar 16, 2026

Upgrade path

The recommended upgrade is Mattermost 11.11, currently at 11.11.1 and supported until Dec 15, 2026.

Not sure? Run sudo -u mattermost /opt/mattermost/bin/mattermost version

Quick answers

Is Mattermost 11.3 still supported?
No. Mattermost 11.3 reached end of life on Apr 15, 2026 (5 months ago). It no longer gets updates, including security fixes. Upgrade to Mattermost 11.11 (latest 11.11.1), supported until Dec 15, 2026.
When is Mattermost 11.3 end of life?
Mattermost 11.3 reached end of life on Apr 15, 2026. It gets no more updates, including security fixes.
What is the latest version of Mattermost 11.3?
The latest Mattermost 11.3 release is 11.3.3, released on Mar 16, 2026.
When was Mattermost 11.3 released?
Mattermost 11.3 was released on Jan 16, 2026.
What should I upgrade Mattermost 11.3 to?
The recommended upgrade is Mattermost 11.11, currently at 11.11.1 and supported until Dec 15, 2026.
How do I check which Mattermost version I have?
Run sudo -u mattermost /opt/mattermost/bin/mattermost version, then paste the result into the “Am I up to date?” box on this page.

Other Mattermost branches

All 57 →

← Mattermost 11.2 Mattermost 11.4 →

Mattermost 11.3 release history

RSS

Release dates for 4 Mattermost 11.3 versions, newest first.

  1. 11.3.3
  2. 11.3.2
  3. 11.3.1
  4. 11.3.0

Keep track

Mattermost 11.3 latest version badge

Official release policy · Checked 4 hours ago