API Platform 4.3 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
API Platform 4.3 is actively supported. The vendor has not published an end-of-support date for this branch.
4.3.17 latest release
Check your versioncomposer show api-platform/core | grep versions
Support timeline
Official dates from the API Platform release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 13 Mar 2026 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 4.3.17 · 12 Jul 2026 | current |
Frequently asked questions
When does API Platform 4.3 reach end of life?
No end-of-life date has been announced for API Platform 4.3 yet.
Is API Platform 4.3 still supported?
Yes. API Platform 4.3 is currently maintained. Latest release: 4.3.17, published 12 Jul 2026.
What happens when API Platform 4.3 reaches end of life?
Security fixes stop. After — this branch receives no further updates under standard support.
How long do I have to upgrade from API Platform 4.3?
No end-of-life date has been announced yet.