...
OpenJDK 21 updates will be delivered on the same established quarterly cycle used by Oracle i.e. "the third Tuesday closest to the 17th day of January, April, July and October."
...
The release date follows the schedule of Oracle Critical Patch Updates as this is the date embargoed security fixes can be published.
OpenJDK 21.0.48
- Tuesday, July 16 2024 15 2025 GA; OpenJDK 21.0.4 8 released (tag: jdk-21.0.48-ga)
OpenJDK 21.0.59
- Wednesday, May 29 202428 2025: jdk21u-dev repo open (tag: 21.0.59+0)
- Tuesday, July 30 202429 2025: First merge from jdk21u-dev to jdk21u (tag: 21.0.59+1)
- Tuesday, August 27 2024September 2 2025: Rampdown; last merge from jdk21u-dev to jdk21u
- Tuesday, September 24 202430 2025: Last tag before code freeze
- Tuesday, October 15 2024 21 2025 GA; OpenJDK 21.0.5 9 released (tag: jdk-21.0.59-ga)
OpenJDK 21.0.610
- Wednesday, August 28 2024September 3 2025: jdk21u-dev repo open (tag: 21.0.610+0)
- Tuesday, October 29 202428 2025: First merge from jdk21u-dev to jdk21u (tag: 21.0.610+1)
- Tuesday, December 3 20242 2025: Rampdown; last merge from jdk21u-dev to jdk21u
- Tuesday, December 31 202430 2025: Last tag before code freeze
- Tuesday, January 21 2025 20 2026 GA; OpenJDK 21.0.6 10 released (tag: jdk-21.0.610-ga)
OpenJDK 21.0.711
- Wednesday, December 4 20243 2025: jdk21u-dev repo open (tag: 21.0.711+0)
Latest Release
Latest GA release:21.0.38
Older releases can be found in the archive.
...
Critical Fix Requests
Filters for Release 21.0.
...
8
Changes new in 21.0.8 excluding test changes: Differences to
21.0.3/all: OpenJDK but not OracleJDK: Changes in OpenJDK 21.0.3 that are not in OracleJDK 21.0.3.
21.0.3/new: OracleJDK but not OpenJDK: Changes new in OracleJDK 21.0.3 but not in OpenJDK 21.0.3
...
7.
21.0.48/all: OpenJDK but not OracleJDK: Changes in OpenJDK 21.0.4 8 that are not in OracleJDK 21.0.48.
21.0.48/all: OracleJDK but not OpenJDK: Changes backported to OracleJDK 21.0.43-21.0.3 but 8 but not in OpenJDK 21.0.48.
21.0.48/new: OracleJDK but not OpenJDK: Changes new in OracleJDK 21.0.4 8 but not in OpenJDK 21.0.48
Filters for Release 21.0.9
Changes new in 21.0.9 excluding test changes tbd: Differences to OpenJDK 21.0.
...
8.
21.0.59/all: OpenJDK but not OracleJDK: Changes in OpenJDK 21.0.5 9 that are not in OracleJDK 21.0.59.
21.0.59/all: OracleJDK but not OpenJDK: Changes backported to OracleJDK 21.0.3-21.0.5 9 but not in OpenJDK 21.0.59.
21.0.59/new: OracleJDK but not OpenJDK: Changes new in OracleJDK 21.0.5 9 but not in OpenJDK 21.0.59
Common jdk21u JBS labels
The above filters exclude issues that are marked with the following labels:
...