Mastodon end-of-life: support & EOL dates for every release
Mastodon · Comms / Social · 0 supported · 7 end-of-life · updated June 2026 · what is end-of-life? →
Every tracked Mastodon release line in our data has reached end-of-life — they no longer receive security updates. Check with the vendor for any newer release line.
Mastodon support timeline
Each release line and the date it reaches end-of-life — newest first.
| Release | Latest version | End-of-life | Status |
|---|---|---|---|
| Mastodon 4.3 | 4.3.23 | 6 May 2026 | End of life |
| Mastodon 4.2 | 4.2.29 | 8 Jan 2026 | End of life |
| Mastodon 4.1 | 4.1.25 | 8 Apr 2025 | End of life |
| Mastodon 3.5 | 3.5.19 | 31 Dec 2023 | End of life |
| Mastodon 4.0 | 4.0.15 | 31 Oct 2023 | End of life |
| Mastodon 3.4 | 3.4.10 | 6 Nov 2022 | End of life |
| Mastodon 3.3 | 3.3.3 | 26 May 2022 | End of life |
Which Mastodon version should I run?
The safest choice is the latest supported release, 4.5.11. If you're on an end-of-life line, plan an upgrade to a supported one before security updates stop. See Mastodon's full security status →
Get warned before Mastodon reaches end-of-life
End-of-life dates are easy to miss until it's too late. Monitor Mastodon on IsItPatched and we'll email you before the release line you run stops getting security updates — free, no account needed to start.
Mastodon end-of-life — frequently asked
What Mastodon versions are still supported?
Every tracked Mastodon release line in our data has reached end-of-life. Check the vendor for any newer line.
Is Mastodon end-of-life?
All tracked Mastodon release lines have reached end-of-life in our data.
How do I know when my Mastodon version reaches end of life?
Check the version you run on its product page, or monitor Mastodon on IsItPatched to get an email alert before the release line you use reaches end-of-life — so you can upgrade in time.
EOL dates aggregated from endoflife.date and vendor sources, and can change — always confirm with Mastodon. See related: Mastodon security status · full EOL calendar · what is end-of-life software? · disclaimer.