API Platform 4.1 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
API Platform 4.1 reached end of life on 13 Mar 2026. It no longer receives security fixes.
149 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 | 28 Feb 2025 | — |
| End of life | 13 Mar 2026 | 0.4 years ago |
| Active support ended | 18 Sept 2025 | security fixes only after this |
| Latest release | 4.1.30 · 13 Jun 2026 | final |
Where to go from 4.1
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 4.1 still safe to use?
API Platform 4.1 reached end of life on 13 Mar 2026, 149 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download API Platform 4.1?
Yes — the final release (4.1.30) 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 4.1 to?
Upgrade to API Platform 4.3, the newest actively supported branch.