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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

Fixed

  • JDK overlays are now properly sourced from the .jdk-overlay directory instead of .jdk_overlay. (#763)

6.0.4 - 2024-12-05

Added

  • Support for new OpenJDK versions: 1.8.0_432, 11.0.25, 17.0.13, 21.0.5, 23.0.1. (#747)

Changed

  • Default version for OpenJDK 8 is now 1.8.0_432. (#747)
  • Default version for OpenJDK 11 is now 11.0.25. (#747)
  • Default version for OpenJDK 17 is now 17.0.13. (#747)
  • Default version for OpenJDK 21 is now 21.0.5. (#747)
  • Default version for OpenJDK 23 is now 23.0.1. (#747)

6.0.3 - 2024-09-26

Added

  • Support for OpenJDK 23. (#728)

6.0.2 - 2024-09-25

  • No changes.

6.0.1 - 2024-07-19

Added

  • Support for new OpenJDK versions: 1.8.0_422, 11.0.24, 17.0.12, 21.0.4, 22.0.2. (#706)

Changed

  • Default version for OpenJDK 8 is now 1.8.0_422. (#706)
  • Default version for OpenJDK 11 is now 11.0.24. (#706)
  • Default version for OpenJDK 17 is now 17.0.12. (#706)
  • Default version for OpenJDK 21 is now 21.0.4. (#706)
  • Default version for OpenJDK 22 is now 22.0.2. (#706)

6.0.0 - 2024-05-28

Added

  • Checksum validation of downloaded OpenJDK distribution files. (#680)
  • A warning will now be shown when the OpenJDK version is not explicitly configured for an application. (#681)

Changed

  • This buildpack now installs the latest long-term support release (currently 21) of OpenJDK if no version is explicitly configured. Previously, OpenJDK 8 was installed as the default. (#681)
  • Some error messages have changed so they longer suggest to open a Heroku support ticket. Instead, users are now provided with a link to create an issue on GitHub. (#674)

Removed

  • The buildpack no longer installs Heroku's Java Metrics Agent. It is only useful on the Heroku platform and can be installed by a dedicated buildpack in the future. (#679)

5.0.1 - 2024-05-23

Changed

  • Fall back to std::env::consts::ARCH when CNB_TARGET_ARCHITECTURE is missing. This is a workaround for certain lifecycle and platform API combinations. (#672)

5.0.0 - 2024-05-23

Added

  • Support for the arm64 architecture. (#668)

Changed

  • Buildpack API version changed from 0.9 to 0.10, and so requires lifecycle 0.17.x or newer. (#662)
  • This buildpack is no longer Heroku stack specific and can be used with most amd64 or arm64 Linux based CNB build and run images. (#662)
  • Default OpenJDK distribution is now always Azul® Zulu®. (#662)
  • Some error messages relating to OpenJDK installation changed. (#665)
  • OpenJDK is now downloaded from heroku-buildpacks-jvm.s3.us-east-1.amazonaws.com. Users that use allow-listing for internet access during builds might need to add this new URL to their allow-list. (#665)

Removed

  • Support for Heroku's own OpenJDK build distribution. Users that explicitly request that distribution by prefixing their OpenJDK version with heroku- need to either remove the prefix or replace it with zulu-. Azul Zulu is a drop-in replacement for the Heroku OpenJDK distribution. (#662)

4.1.1 - 2024-05-01

Changed

  • Default version for OpenJDK 8 is now 1.8.0_412. (#657)
  • Default version for OpenJDK 11 is now 11.0.23. (#657)
  • Default version for OpenJDK 17 is now 17.0.11.(#657)
  • Default version for OpenJDK 21 is now 21.0.3. (#657)

4.1.0 - 2024-01-23

Changed

  • For containers that do not correspond to Eco, Basic, Standard-1X, Standard-2X or Private-S Heroku dyno types, only -XX:MaxRAMPercentage=80.0 will now be passed to the JVM via JAVA_TOOL_OPTIONS. (#631)
  • Default version for OpenJDK 8 is now 1.8.0_402. (#630)
  • Default version for OpenJDK 11 is now 11.0.22. (#630)
  • Default version for OpenJDK 17 is now 17.0.10.(#630)
  • Default version for OpenJDK 21 is now 21.0.2. (#630)

4.0.2 - 2023-12-05

  • No changes.

4.0.1 - 2023-12-04

  • No changes.

4.0.0 - 2023-10-25

  • No changes.

3.2.2 - 2023-10-24

Changed

  • Updated buildpack display name, description and keywords. (#603)

3.2.1 - 2023-10-19

Changed

  • Default version for OpenJDK 8 is now 1.8.0_392. (#599)
  • Default version for OpenJDK 11 is now 11.0.21. (#599)
  • Default version for OpenJDK 17 is now 17.0.9. (#599)
  • Default version for OpenJDK 21 is now 21.0.1. (#599)

3.2.0 - 2023-09-20

Added

  • Support for Java 21. (#585)

3.1.0 - 2023-09-18

Changed

  • Default version for OpenJDK 11 is now 11.0.20.1. (#582)
  • Default version for OpenJDK 17 is now 17.0.8.1. (#582)

3.0.0 - 2023-08-09

  • No changes.

2.0.0 - 2023-07-31

Changed

  • This buildpack now requires that an OpenJDK version is specified in system.properties when the buildpack is used standalone (no other buildpack adds jdk to the build plan requires). Users that use this buildpack in a standalone fashion can add a system.properties file to their application with the following contents to restore the old behavior of installing the most recent OpenJDK 8 release: java.runtime.version=8. (#546)

1.1.2 - 2023-07-24

Changed

  • Default version for OpenJDK 8 is now 1.8.0_382. (#543)
  • Default version for OpenJDK 11 is now 11.0.20. (#543)
  • Default version for OpenJDK 17 is now 17.0.8. (#543)
  • Default version for OpenJDK 20 is now 20.0.2. (#543)

1.1.1 - 2023-06-22

Removed

  • Removed support for the heroku-18 stack due to the stack being EOL and no longer maintained. (#498)
  • Removed support for the io.buildpacks.stacks.bionic stack from buildpack.toml. Since the stack id is used for URL construction, this stack never properly worked. (#498)

[1.0.10] - 2023-05-10

Changed

  • Upgrade libcnb and libherokubuildpack to 0.12.0. (#463)
  • The buildpack now implements Buildpack API 0.9 instead of 0.8, and so requires lifecycle 0.15.x or newer. (#463)

[1.0.9] - 2023-04-24

Changed

  • Default version for OpenJDK 8 is now 1.8.0_372. (#459)
  • Default version for OpenJDK 11 is now 11.0.19. (#459)
  • Default version for OpenJDK 17 is now 17.0.7. (#459)
  • Default version for OpenJDK 20 is now 20.0.1. (#459)

[1.0.8] - 2023-03-31

Added

  • Add support for SKIP_HEROKU_JVM_METRICS_AGENT_INSTALLATION environment variable. When set to true, the installation of the Heroku JVM metrics agent will be skipped. (#444)

Changed

[1.0.7] - 2023-03-23

Added

  • Support for Java 20. (#437)

[1.0.6] - 2023-01-18

Changed

  • Default version for OpenJDK 8 is now 1.8.0_362. (#413)
  • Default version for OpenJDK 11 is now 11.0.18. (#413)
  • Default version for OpenJDK 13 is now 13.0.14. (#413)
  • Default version for OpenJDK 15 is now 15.0.10. (#413)
  • Default version for OpenJDK 17 is now 17.0.6. (#413)
  • Default version for OpenJDK 19 is now 19.0.2. (#413)

[1.0.5] - 2022-10-20

Changed

  • Default version for OpenJDK 8 is now 1.8.0_352. (#387)
  • Default version for OpenJDK 11 is now 11.0.17. (#387)
  • Default version for OpenJDK 13 is now 13.0.13. (#387)
  • Default version for OpenJDK 15 is now 15.0.9. (#387)
  • Default version for OpenJDK 17 is now 17.0.5. (#387)
  • Default version for OpenJDK 19 is now 19.0.1. (#387)
  • Upgrade libcnb and libherokubuildpack to 0.11.1. (#384 and #386)

[1.0.4] - 2022-09-28

Changed

  • Upgrade libcnb and libherokubuildpack to 0.11.0. (#371)
  • Buildpack now implements buildpack API version 0.8 and so requires lifecycle version 0.14.x or newer. (#363)
  • Default version for OpenJDK 18 is now 18.0.2.1. (#372)

Added

  • Support for Java 19. (#372)

[1.0.3] - 2022-08-29

Changed

  • Default version for OpenJDK 8 is now 1.8.0_345
  • Default version for OpenJDK 11 is now 11.0.16.1
  • Default version for OpenJDK 17 is now 17.0.4.1

[1.0.2] - 2022-07-26

Changed

  • Default version for OpenJDK 7 is now 1.7.0_352
  • Default version for OpenJDK 8 is now 1.8.0_342
  • Default version for OpenJDK 11 is now 11.0.16
  • Default version for OpenJDK 13 is now 13.0.12
  • Default version for OpenJDK 15 is now 15.0.8
  • Default version for OpenJDK 17 is now 17.0.4
  • Default version for OpenJDK 18 is now 18.0.2
  • Updated libcnb and libherokubuildpack to 0.9.0. (#330)
  • Switch to the recommended regional S3 domain instead of the global one. (#314)
  • Upgrade libcnb to 0.8.0 and libherokubuildpack to 0.8.0.

[1.0.1] - 2022-06-09

Added

  • Add support for the heroku-22 stack. (#304)

Changed

[1.0.0] - 2022-05-17

Added

  • Add checksum validation when installing the Heroku JVM Metrics Agent. (#272)
  • Support for selecting a major version when using Azul Zulu as the OpenJDK distribution. Users no longer have to pick a specific version when using Azul Zulu. To select, for example, the latest OpenJDK 11 release from Azul Zulu, use java.runtime.version=zulu-11 in your system.properties file. (#272)

Removed

  • Remove support for GPG signed OpenJDK binaries. This feature wasn't used and will be replaced by a unified solution across Heroku buildpacks. (#272)
  • Remove support for the JDK_BASE_URL environment variable. It was deprecated in Jan 2021 and was slated for removal Oct 2021. (#272)
  • Remove support for the JVM_BUILDPACK_ASSETS_BASE_URL environment variable. (#272)
  • Remove legacy debugging scripts: with_jmap, with_jmap_and_jstack, with_jmap_and_jstack_java, with_jmap_java, with_jstack and with_jstack_java. (#272)
  • Remove explicit setting of -XX:+UseContainerSupport as it's nowadays the default for all supported Java versions. (#272)
  • No longer installs jq and yj command-line tools during the buildpack bootstrap, improving overall build times. (#272)

Changed

  • Default version for OpenJDK 7 is now 1.7.0_342
  • Default version for OpenJDK 8 is now 1.8.0_332
  • Default version for OpenJDK 11 is now 11.0.15
  • Default version for OpenJDK 13 is now 13.0.11
  • Default version for OpenJDK 15 is now 15.0.7
  • Default version for OpenJDK 17 is now 17.0.3
  • Default version for OpenJDK 18 is now 18.0.1
  • Improved compatibility when reading Java properties files (system.properties). (#272)
  • Improved compatibility when rewriting the DATABASE_URL environment variable by using proper URL parsing. (#272)
  • Improved error messages when unexpected IO errors occur during the build. (#272)
  • Re-implement buildpack using libcnb.rs (#272)

Fixed

  • Fixed caching behaviour when a JDK overlay was used. Updated overlays will now be always applied to a clean version of OpenJDK. (#272)

[0.1.15] - 2022-03-24

Added

  • Support for Java 18

[0.1.14] - 2022-03-02

Changed

  • Default version for OpenJDK 11 is now 11.0.14.1

Fixed

  • JDK overlays (using the .jdk-overlay directory) are now properly applied

[0.1.12] - 2022-01-24

  • Switch to BSD 3-Clause License
  • Default version for OpenJDK 7 is now 1.7.0_332
  • Default version for OpenJDK 8 is now 1.8.0_322
  • Default version for OpenJDK 11 is now 11.0.14
  • Default version for OpenJDK 13 is now 13.0.10
  • Default version for OpenJDK 15 is now 15.0.6
  • Default version for OpenJDK 17 is now 17.0.2

[0.1.11] - 2021-10-28

Changed

  • Default version for OpenJDK 7 is now 1.7.0_322
  • Default version for OpenJDK 17 is now 17.0.1

[0.1.10] - 2021-10-27

  • No changes.

[0.1.9] - 2021-10-19

Changed

  • Default version for OpenJDK 8 is now 1.8.0_312
  • Default version for OpenJDK 11 is now 11.0.13
  • Default version for OpenJDK 13 is now 13.0.9
  • Default version for OpenJDK 15 is now 15.0.5

[0.1.8] - 2021-09-15

Added

  • Support for Java 17

Fixed

  • Updated GPG public key

[0.1.7] - 2021-07-28

Changed

  • Default version for OpenJDK 7 is now 1.7.0_312
  • Default version for OpenJDK 8 is now 1.8.0_302
  • Default version for OpenJDK 11 is now 11.0.12
  • Default version for OpenJDK 13 is now 13.0.8
  • Default version for OpenJDK 15 is now 15.0.4
  • Default version for OpenJDK 16 is now 16.0.2

[0.1.6] - 2021-04-29

Changed

  • Default version for OpenJDK 7 is now 1.7.0_302
  • Default version for OpenJDK 8 is now 1.8.0_292
  • Default version for OpenJDK 11 is now 11.0.11
  • Default version for OpenJDK 13 is now 13.0.7
  • Default version for OpenJDK 15 is now 15.0.3
  • Default version for OpenJDK 16 is now 16.0.1

Fixed

  • Fixed licenses in buildpack.toml

[0.1.5] - 2021-03-17

Added

  • Support for Java 16

[0.1.4] - 2021-02-23

  • No changes.

[0.1.3] - 2021-02-04

Changed

  • Status headers are now bold

Fixed

  • JAVA_HOME will now be correctly set when using older versions of pack

[0.1.2] - 2021-01-22

Changed

  • Default version for OpenJDK 7 is now 1.7.0_292
  • Default version for OpenJDK 8 is now 1.8.0_282
  • Default version for OpenJDK 11 is now 11.0.10
  • Default version for OpenJDK 13 is now 13.0.6
  • Default version for OpenJDK 15 is now 15.0.2

[0.1.1] - 2021-01-19

Added

  • Automated post-release PRs

[0.1.0] - 2021-01-14

Added

  • Initial release