Mastodon End of Life (EOL) Dates and End of Support (EOS) Dates
12 Mastodon versions have reached End of Life (EOL) and End of Support (EOS), including Mastodon 4.3 (EOL date: May 06, 2026) — no longer receiving security updates or patches. Mastodon 4.5.10 is the current supported release — 2 versions in active support. Also see Deno end of life dates for related end-of-life information.
Currently Supported Mastodon Releases - Active EOS/EOSL Support (2)
Mastodon End of Life (EOL) Releases - No Longer Supported (12)
| Release | Released | Support | Latest |
|---|---|---|---|
| 4.3 | (1 year and 7 months ago) | (2 weeks and 4 days ago) | 4.3.23 (4 days ago) |
| 4.2 | (2 years and 8 months ago) | (4 months ago) | 4.2.29 (4 months ago) |
| 4.1 | (3 years and 3 months ago) | (1 year and 1 month ago) | 4.1.25 (1 year and 1 month ago) |
| 4.0 | (3 years and 6 months ago) | (2 years and 6 months ago) | 4.0.15 (2 years and 3 months ago) |
| 3.5 | (4 years and 1 month ago) | (2 years and 4 months ago) | 3.5.19 (2 years and 3 months ago) |
| 3.4 | (5 years ago) | (3 years and 6 months ago) | 3.4.10 (3 years and 6 months ago) |
| 3.3 | (5 years and 4 months ago) | (3 years and 11 months ago) | 3.3.3 (4 years and 1 month ago) |
| 3.2 | (5 years and 9 months ago) | — | 3.2.2 (5 years and 5 months ago) |
| 3.1 | (6 years and 3 months ago) | — | 3.1.5 (5 years and 10 months ago) |
| 3.0 | (6 years and 7 months ago) | — | 3.0.2 (6 years and 2 months ago) |
| 2 | (8 years and 7 months ago) | — | 2.9.4 (6 years and 2 months ago) |
| 1 | (9 years and 3 months ago) | — | 1.6.1 (8 years and 8 months ago) |
Mastodon End of Life & Support Summary
Which Mastodon Versions Are Currently Supported?
Mastodon currently has 2 supported releases. Mastodon 4.5.10 is the latest. Mastodon 4.4. Also see React lifecycle dates for related end-of-life information.
Mastodon End of Life (EOL) Version History
12 Mastodon releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Mastodon 4.3 reached EOL on May 06, 2026. Mastodon 4.5.10 is the recommended upgrade for users still on End of Life versions.