Erlang 23 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Erlang 23 reached end of life on 14 Mar 2024. It no longer receives security fixes.
Support timeline
Official dates from the Erlang release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 11 May 2020 | 6y 5mo ago |
| Active Support ended | 10 May 2021 | security fixes only after this |
| Security Support ended | 14 Mar 2024 | 2y 7mo ago |
| Latest release | 23.3.4.20 · 14 Mar 2024 | final |
Where to go from 23
Recommended target: Erlang 29 (supported until 11 May 2029).
The newest actively supported branch is Erlang 29 (latest release 29.1.1).
Frequently asked questions
Is Erlang 23 still safe to use?
Erlang 23 reached end of life on 14 Mar 2024, 935 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Erlang 23?
Yes — the final release (23.3.4.20) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Erlang 23 to?
Upgrade to Erlang 29, the newest actively supported branch (supported until 11 May 2029).