Mastodon 4.4 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Mastodon 4.4 is actively supported. It reaches end of life on 17 Dec 2026.
62 days of security support left
4.4.26 latest release
88% of this branch's supported lifetime has elapsed — 8 Jul 2025 → 17 Dec 2026.
Check your versiontootctl --version
Support timeline
Official dates from the Mastodon release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 8 Jul 2025 | 1y 3mo ago |
| Support ends | 17 Dec 2026 | in 2mo |
| Latest release | 4.4.26 · 1 Oct 2026 | current |
How much runway a newer branch buys
Mastodon 4.4 is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 4.4 |
|---|---|---|---|
| Mastodon 4.5 | 20 Feb 2027 | 127 | +65 days |
| Mastodon 4.4 | 17 Dec 2026 | 62 | this branch |
Frequently asked questions
When does Mastodon 4.4 reach end of life?
Mastodon 4.4 reaches end of life on 17 Dec 2026 — 62 days from now. After that date it receives no security fixes.
Is Mastodon 4.4 still supported?
Yes. Mastodon 4.4 is currently maintained. Latest release: 4.4.26, published 1 Oct 2026.
What happens when Mastodon 4.4 reaches end of life?
Security fixes stop. After 17 Dec 2026 this branch receives no further updates under standard support.
How long do I have to upgrade from Mastodon 4.4?
62 days. This is already the newest branch, so this is the longest runway currently available.