Page History

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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."

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The release date follows the schedule of Oracle Critical Patch Updates as this is the date embargoed security fixes can be published.

OpenJDK 21.0.58

• Tuesday, October July 15 2024 2025 GA; OpenJDK 21.0.5 8 released (tag: jdk-21.0.58-ga)

OpenJDK 21.0.69

• Wednesday, August May 28 20242025: jdk21u-dev repo open (tag: 21.0.69+0)
• Tuesday, October 29 2024: First merge from jdk21u-dev to jdk21u (tag: 21.0.6+1)
• Tuesday, December 3 2024: Rampdown; last merge from jdk21u-dev to jdk21u
• Tuesday, December 31 2024: Last tag before code freeze
• Tuesday, January 21 2025 GA; OpenJDK 21.0.6 released (tag: jdk-21.0.6-ga)

OpenJDK 21.0.7

• Wednesday, December 4 2024: jdk21u-dev repo open (tag: 21.0.7+0)
• Tuesday, February 4 July 29 2025: First merge from jdk21u-dev to jdk21u (tag: 21.0.79+1)
• Tuesday, February 25 September 2 2025: Rampdown; last merge from jdk21u-dev to jdk21u
• Tuesday, March 25 September 30 2025: Last tag before code freeze
• Tuesday, April 15 October 21 2025 GA; OpenJDK 21.0.7 9 released (tag: jdk-21.0.79-ga)

OpenJDK 21.0.810

• Wednesday,   February 26 September 3 2025: jdk21u-dev repo open (tag: 21.0.810+0)
• Tuesday, April 29 October 28 2025: First merge from jdk21u-dev to jdk21u (tag: 21.0.810+1)
• Tuesday, Mai 27 December 2 2025: Rampdown; last merge from jdk21u-dev to jdk21u
• Tuesday, June 24 December 30 2025: Last tag before code freeze
• Tuesday, July 15 2025 January 20 2026 GA; OpenJDK 21.0.8 10 released (tag: jdk-21.0.810-ga)

OpenJDK 21.0.911

• Wednesday, Mai 28 2024December 3 2025: jdk21u-dev repo open (tag: 21.0.911+0)

Latest Release

Latest GA release:21.0.58

• 21.0.58+11 9 (GA), October July 15th 20242025, [Release] [Tag] [Binaries]

Older releases can be found in the archive.

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Critical Fix Requests

[Unapproved requests]

Filters for Release 21.0.

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8

Changes new in 21.0.8 excluding test changes: Differences to OpenJDK 21.0.7.

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: Differences to OpenJDK 21.0.

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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

Filters for Release 21.0.

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10

Changes new in 21.0.10 excluding test changes tbd: Differences to OpenJDK 21.0.9.

21.0.610/all: OpenJDK but not OracleJDK: Changes in OpenJDK 21.0.6 10 that are not in OracleJDK 21.0.610.

21.0.610/all: OracleJDK but not OpenJDK: Changes backported to OracleJDK 21.0.3-21.0.6 10 but not in OpenJDK 21.0.610.

21.0.610/new: OracleJDK but not OpenJDK: Changes new in OracleJDK 21.0.6 10 but not in OpenJDK 21.0.610

Common jdk21u JBS labels

The above filters exclude issues that are marked with the following labels:

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