Mastodon 4.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Mastodon 4.1 reached end of life on 8 Apr 2025. It no longer receives security fixes.
488 days without security patches
Recommended action: upgrade to Mastodon 4.6. Check your versiontootctl --version
Support timeline
Official dates from the Mastodon release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 10 Feb 2023 | — |
| End of life | 8 Apr 2025 | 1.3 years ago |
| Latest release | 4.1.25 · 2 Apr 2025 | final |
Where to go from 4.1
Recommended target: Mastodon 4.6.
The newest actively supported branch is Mastodon 4.6 (latest release 4.6.5).
Frequently asked questions
Is Mastodon 4.1 still safe to use?
Mastodon 4.1 reached end of life on 8 Apr 2025, 488 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Mastodon 4.1?
Yes — the final release (4.1.25) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Mastodon 4.1 to?
Upgrade to Mastodon 4.6, the newest actively supported branch.