API Platform 3.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
API Platform 3.1 reached end of life on 29 Apr 2024. It no longer receives security fixes.
832 days without security patches
Recommended action: upgrade to API Platform 4.3. Check your versioncomposer show api-platform/core | grep versions
Support timeline
Official dates from the API Platform release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 23 Jan 2023 | — |
| End of life | 29 Apr 2024 | 2.3 years ago |
| Active support ended | 12 Oct 2023 | security fixes only after this |
| Latest release | 3.1.29 · 29 Apr 2024 | final |
Where to go from 3.1
Recommended target: API Platform 4.3.
The newest actively supported branch is API Platform 4.3 (latest release 4.3.17).
Frequently asked questions
Is API Platform 3.1 still safe to use?
API Platform 3.1 reached end of life on 29 Apr 2024, 832 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download API Platform 3.1?
Yes — the final release (3.1.29) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade API Platform 3.1 to?
Upgrade to API Platform 4.3, the newest actively supported branch.