Mattermost 9.0
Mattermost 9.0 reached end of life 2 years ago.
Supported now: Mattermost 11.7 (until 2027-05-15), Mattermost 11.10 (until 2026-11-15), Mattermost 11.11 (until 2026-12-15), Mattermost 12.0 (until 2027-01-15)
Facts
- Released
- (3 years ago)
- Security support ended
- (2 years ago)
- Latest release
- 9.0.5, (2 years ago)
- Source
- endoflife.date (checked 2026-09-09)
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