OpenJDK 21
21.0.9.0.10-1
Release notes ↗
Is OpenJDK 21 still supported?
Yes
OpenJDK 21 is supported until Dec 31, 2029 (in 3 years).
- Released
- Nov 14, 2023
- End of life
- Dec 31, 2029
in 3 years - Latest version
- 21.0.9.0.10-1
Oct 17, 2025
Quick answers
- Is OpenJDK 21 still supported?
- Yes. OpenJDK 21 is supported until Dec 31, 2029 (in 3 years).
- When is OpenJDK 21 end of life?
- OpenJDK 21 reaches end of life on Dec 31, 2029 (in 3 years). After that it gets no more updates, including security fixes.
- What is the latest version of OpenJDK 21?
- The latest OpenJDK 21 release is 21.0.9.0.10-1, released on Oct 17, 2025.
- When was OpenJDK 21 released?
- OpenJDK 21 was released on Nov 14, 2023.
- How do I check which Red Hat build of OpenJDK version I have?
- Run
java -version, then paste the result into the “Am I up to date?” box on this page.
Other Red Hat build of OpenJDK branches
All 7 →- OpenJDK 25 Supported
- OpenJDK 21 Supported
- OpenJDK 17 Supported
- OpenJDK 11 End of life
- OpenJDK 8 (1.8) Supported
- OpenJDK 7 (1.7) End of life
- OpenJDK 6 (1.6) End of life
← Red Hat build of OpenJDK OpenJDK 17 Red Hat build of OpenJDK OpenJDK 25 →
Red Hat build of OpenJDK 21 release history
RSSThe history fills in as new versions come out.
Keep track
Official release policy · Checked 7 minutes ago