end-of-life.org

Quarkus 3.39 End of Life

Support dates and upgrade guidance — rebuilt from live data.

End of Life

Quarkus 3.39 reached end of life on 30 Sept 2026. It no longer receives security fixes.

5 days without security patches
Recommended action: upgrade to Quarkus 3.40.

Support timeline

Official dates from the Quarkus release process.

MilestoneDateStatus
Initial release27 Aug 2026 1mo ago
Support ended30 Sept 2026 this month
Latest release3.39.5 · 23 Sept 2026 final

Where to go from 3.39

Recommended target: Quarkus 3.40 (supported until 30 Sept 2027).

The newest actively supported branch is Quarkus 3.40 (latest release 3.40.1).

Frequently asked questions

Is Quarkus 3.39 still safe to use?

Quarkus 3.39 reached end of life on 30 Sept 2026, 5 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.

Can I still download Quarkus 3.39?

Yes — the final release (3.39.5) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.

What should I upgrade Quarkus 3.39 to?

Upgrade to Quarkus 3.40, the newest actively supported branch (supported until 30 Sept 2027).

All Quarkus versions