OpenJDK builds from Oracle 21 End of Life
Support dates and upgrade guidance — rebuilt from live data.
OpenJDK builds from Oracle 21 reached end of life on 19 Mar 2024. It no longer receives security fixes.
Support timeline
Official dates from the OpenJDK builds from Oracle release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 19 Sept 2023 | 3y 1mo ago |
| Security Support ended | 19 Mar 2024 | 2y 7mo ago |
| Latest release | 21.0.2 · 16 Jan 2024 | final |
Where to go from 21
Recommended target: OpenJDK builds from Oracle 27 (supported until 23 Mar 2027).
The newest actively supported branch is OpenJDK builds from Oracle 27 (latest release 27).
Frequently asked questions
Is OpenJDK builds from Oracle 21 still safe to use?
OpenJDK builds from Oracle 21 reached end of life on 19 Mar 2024, 930 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download OpenJDK builds from Oracle 21?
Yes — the final release (21.0.2) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade OpenJDK builds from Oracle 21 to?
Upgrade to OpenJDK builds from Oracle 27, the newest actively supported branch (supported until 23 Mar 2027).