Mastodon End of Life Dates
All 15 Mastodon release branches: support windows, latest releases, and what each EOL branch has missed since. Data refreshed daily.
Support lifecycle at a glance
■ supported ■ security fixes only ■ end of life
All versions
Release dates, end-of-life dates and current support status for every Mastodon branch.
| Branch | Released | End of life | Status | Latest |
|---|---|---|---|---|
| 4.6 | 17 Jun 2026 | — | supported | 4.6.5 |
| 4.5 | 6 Nov 2025 | — | supported | 4.5.15 |
| 4.4 | 8 Jul 2025 | 17 Dec 2026 | supported | 4.4.22 |
| 4.3 | 8 Oct 2024 | 6 May 2026 | EOL | 4.3.23 |
| 4.2 | 21 Sept 2023 | 8 Jan 2026 | EOL | 4.2.29 |
| 4.1 | 10 Feb 2023 | 8 Apr 2025 | EOL | 4.1.25 |
| 4.0 | 14 Nov 2022 | 31 Oct 2023 | EOL | 4.0.15 |
| 3.5 | 30 Mar 2022 | 31 Dec 2023 | EOL | 3.5.19 |
| 3.4 | 16 May 2021 | 6 Nov 2022 | EOL | 3.4.10 |
| 3.3 | 27 Dec 2020 | 26 May 2022 | EOL | 3.3.3 |
| 3.2 | 27 Jul 2020 | — | EOL | 3.2.2 |
| 3.1 | 9 Feb 2020 | — | EOL | 3.1.5 |
| 3.0 | 3 Oct 2019 | — | EOL | 3.0.2 |
| 2 | 18 Oct 2017 | — | EOL | 2.9.4 |
| 1 | 5 Feb 2017 | — | EOL | 1.6.1 |