Mattermost End of Life (EOL) Dates and End of Support (EOS) Dates
49 Mattermost versions have reached End of Life (EOL) and End of Support (EOS), including Mattermost 11.4 (EOL date: May 15, 2026) — no longer receiving security updates or patches. Mattermost 11.5 reaches its End of Support date on Jun 15, 2026 — plan your upgrade path now. Mattermost 11.7.1 is the current supported release, with support through May 15, 2027. Also see Apache Subversion lifecycle dates for related end-of-life information.
Currently Supported Mattermost Releases - Active EOS/EOSL Support (1)
| Release | Released | Security Support | Latest | LTS |
|---|---|---|---|---|
| 11.7 | (1 week and 2 days ago) | (in 11 months) | 11.7.1 (4 days ago) | - |
Mattermost Releases Nearing End of Life - Support Ending Soon (3)
Mattermost End of Life (EOL) Releases - No Longer Supported (49)
| Release | Released | Security Support | Latest | LTS |
|---|---|---|---|---|
| 11.4 | (3 months ago) | (1 week and 2 days ago) | 11.4.5 (1 month and 2 days ago) | - |
| 11.3 | (4 months ago) | (1 month and 1 week ago) | 11.3.3 (2 months ago) | - |
| 11.2 | (5 months ago) | (2 months ago) | 11.2.4 (3 months ago) | - |
| 11.1 | (6 months ago) | (3 months ago) | 11.1.3 (4 months ago) | - |
| 11.0 | (7 months ago) | (4 months ago) | 11.0.7 (5 months ago) | - |
| 10.12 | (8 months ago) | (5 months ago) | 10.12.4 (6 months ago) | - |
| 10.10 | (10 months ago) | (7 months ago) | 10.10.3 (8 months ago) | - |
| 10.9 | (11 months ago) | (8 months ago) | 10.9.5 (9 months ago) | - |
| 10.8 | (1 year ago) | (9 months ago) | 10.8.4 (10 months ago) | - |
| 10.7 | (1 year and 1 month ago) | (10 months ago) | 10.7.4 (11 months ago) | - |
| 10.6 | (1 year and 2 months ago) | (11 months ago) | 10.6.6 (1 year ago) | - |
| 10.5 (ESR) | (1 year and 3 months ago) | (6 months ago) | 10.5.14 (6 months ago) | LTS |
| 10.4 | (1 year and 4 months ago) | (1 year and 1 month ago) | 10.4.5 (1 year and 1 month ago) | - |
| 10.3 | (1 year and 5 months ago) | (1 year and 2 months ago) | 10.3.4 (1 year and 3 months ago) | - |
| 10.2 | (1 year and 6 months ago) | (1 year and 3 months ago) | 10.2.3 (1 year and 4 months ago) | - |
| 10.1 | (1 year and 7 months ago) | (1 year and 4 months ago) | 10.1.7 (1 year and 4 months ago) | - |
| 10.0 | (1 year and 8 months ago) | (1 year and 5 months ago) | 10.0.4 (1 year and 5 months ago) | - |
| 9.11 (ESR) | (1 year and 9 months ago) | (1 year ago) | 9.11.18 (10 months ago) | LTS |
| 9.10 | (1 year and 10 months ago) | (1 year and 7 months ago) | 9.10.3 (1 year and 7 months ago) | - |
| 9.9 | (1 year and 11 months ago) | (1 year and 8 months ago) | 9.9.3 (1 year and 8 months ago) | - |
| 9.8 | (2 years ago) | (1 year and 9 months ago) | 9.8.3 (1 year and 10 months ago) | - |
| 9.7 | (2 years and 1 month ago) | (1 year and 10 months ago) | 9.7.6 (1 year and 10 months ago) | - |
| 9.6 | (2 years and 2 months ago) | (1 year and 11 months ago) | 9.6.3 (1 year and 11 months ago) | - |
| 9.5 | (2 years and 3 months ago) | (1 year and 6 months ago) | 9.5.14 (1 year ago) | - |
| 9.4 | (2 years and 4 months ago) | (2 years and 1 month ago) | 9.4.5 (2 years and 1 month ago) | - |
| 9.3 | (2 years and 5 months ago) | (2 years and 2 months ago) | 9.3.3 (2 years and 2 months ago) | - |
| 9.2 | (2 years and 6 months ago) | (2 years and 3 months ago) | 9.2.6 (2 years and 3 months ago) | - |
| 9.1 | (2 years and 7 months ago) | (2 years and 4 months ago) | 9.1.5 (2 years and 4 months ago) | - |
| 9.0 | (2 years and 8 months ago) | (2 years and 5 months ago) | 9.0.5 (2 years and 5 months ago) | - |
| 8.1 (ESR) | (2 years and 9 months ago) | (2 years ago) | 8.1.13 (2 years ago) | LTS |
| 8.0 | (2 years and 10 months ago) | (2 years and 7 months ago) | 8.0.4 (2 years and 7 months ago) | - |
| 7.10 | (3 years and 1 month ago) | (2 years and 9 months ago) | 7.10.5 (2 years and 9 months ago) | - |
| 7.9 | (3 years and 2 months ago) | (2 years and 10 months ago) | 7.9.6 (2 years and 10 months ago) | - |
| 7.8 (ESR) | (3 years and 3 months ago) | (2 years and 6 months ago) | 7.8.15 (2 years and 6 months ago) | LTS |
| 7.7 | (3 years and 4 months ago) | (3 years and 1 month ago) | 7.7.4 (3 years and 1 month ago) | - |
| 7.5 (ESR) | (3 years and 6 months ago) | (3 years and 3 months ago) | 7.5.2 (3 years and 5 months ago) | LTS |
| 7.4 | (3 years and 7 months ago) | (3 years and 4 months ago) | 7.4.1 (3 years and 5 months ago) | - |
| 7.3 | (3 years and 8 months ago) | (3 years and 5 months ago) | 7.3.1 (3 years and 7 months ago) | - |
| 7.2 | (3 years and 9 months ago) | (3 years and 6 months ago) | 7.2.1 (3 years and 7 months ago) | - |
| 7.1 (ESR) | (3 years and 10 months ago) | (3 years ago) | 7.1.9 (3 years ago) | LTS |
| 7.0 | (3 years and 11 months ago) | (3 years and 8 months ago) | 7.0.2 (3 years and 9 months ago) | - |
| 6.7 | (4 years ago) | (3 years and 9 months ago) | 6.7.2 (3 years and 11 months ago) | - |
| 6.6 | (4 years and 1 month ago) | (3 years and 10 months ago) | 6.6.2 (3 years and 11 months ago) | - |
| 6.5 | (4 years and 2 months ago) | (3 years and 11 months ago) | 6.5.2 (3 years and 11 months ago) | - |
| 6.4 | (4 years and 3 months ago) | (4 years ago) | 6.4.3 (4 years ago) | - |
| 6.3 (ESR) | (4 years and 4 months ago) | (3 years and 7 months ago) | 6.3.10 (3 years and 9 months ago) | LTS |
| 6.2 | (4 years and 5 months ago) | (4 years and 2 months ago) | 6.2.5 (4 years and 2 months ago) | - |
| 6.1 | (4 years and 6 months ago) | (4 years and 3 months ago) | 6.1.3 (4 years and 3 months ago) | - |
| 6.0 | (4 years and 7 months ago) | (4 years and 4 months ago) | 6.0.4 (4 years and 5 months ago) | - |
Mattermost End of Life & Support Summary
Which Mattermost Versions Are Currently Supported?
Mattermost currently has 1 supported release. Mattermost 11.7.1 is the latest, with active support through May 15, 2027. Note that Mattermost 11.5 support ends on Jun 15, 2026 — plan your upgrade before then. Also see Umbraco CMS EOSL information for related end-of-life information.
Mattermost Versions Nearing End of Life
3 Mattermost releases are reaching End of Life (EOL) within 6 months. Mattermost 11.5 support ends on Jun 15, 2026. Mattermost 11.6 follows on Jul 15, 2026. Upgrade to Mattermost 11.7.1 to stay on a supported release. Also see Chef Supermarket lifecycle dates for related end-of-life information.
Mattermost End of Life (EOL) Version History
49 Mattermost releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Mattermost 11.4 reached EOL on May 15, 2026. Mattermost 11.7.1 is the recommended upgrade for users still on End of Life versions.