Mattermost 11.9 end of life (EOL) date and support status
Supported Receives fixes until 2026-10-15 (in 7 days)
| Product | Mattermost |
|---|---|
| Version cycle | 11.9 |
| Status | Supported |
| Released | 2026-07-16 |
| Active support until | — |
| End of life | 2026-10-15 |
| Latest version | 11.9.2 (2026-09-15) |
| Last verified | 2026-10-08 |
All Mattermost versions → · Source: endoflife.date
Frequently asked questions
Is Mattermost 11.9 end of life?
No. Mattermost 11.9 is supported. Receives fixes until 2026-10-15 (in 7 days).
When does Mattermost 11.9 reach end of life?
Mattermost 11.9 reaches end of life on 2026-10-15.
When was Mattermost 11.9 released?
Mattermost 11.9 was first released on 2026-07-16.
What is the latest Mattermost 11.9 version?
The latest 11.9 release is 11.9.2, published on 2026-09-15.
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