Sourced from github/codeql-action's changelog.

CodeQL Action Changelog

See the releases page for the relevant changes to the CodeQL CLI and language packs.

[UNRELEASED]

No user facing changes.

2.21.5 - 28 Aug 2023

• Update default CodeQL bundle version to 2.14.3. #1845
• Fixed a bug in CodeQL Action 2.21.3 onwards that affected beta support for Project Lombok when analyzing Java. The environment variable CODEQL_EXTRACTOR_JAVA_RUN_ANNOTATION_PROCESSORS will now be respected if it was manually configured in the workflow. #1844
• Enable support for Kotlin 1.9.20 when running with CodeQL CLI v2.13.4 through v2.14.3. #1853
• Better error message when there is a failure to determine the merge base of the code to analysis. #1860

2.21.4 - 14 Aug 2023

• Update default CodeQL bundle version to 2.14.2. #1831
• Log a warning if the amount of available disk space runs low during a code scanning run. #1825
• When downloading CodeQL bundle version 2.13.4 and later, cache these bundles in the Actions tool cache using a simpler version number. #1832
• Fix an issue that first appeared in CodeQL Action v2.21.2 that prevented CodeQL invocations from being logged. #1833
• We are rolling out a feature in August 2023 that will improve the quality of file coverage information. #1835

2.21.3 - 08 Aug 2023

• We are rolling out a feature in August 2023 that will improve multi-threaded performance on larger runners. #1817
• We are rolling out a feature in August 2023 that adds beta support for Project Lombok when analyzing Java. #1809
• Reduce disk space usage when downloading the CodeQL bundle. #1820

2.21.2 - 28 Jul 2023

• Update default CodeQL bundle version to 2.14.1. #1797
• Avoid duplicating the analysis summary within the logs. #1811

2.21.1 - 26 Jul 2023

• Improve the handling of fatal errors from the CodeQL CLI. #1795
• Add the sarif-output output to the analyze action that contains the path to the directory of the generated SARIF. #1799

2.21.0 - 19 Jul 2023

• CodeQL Action now requires CodeQL CLI 2.9.4 or later. For more information, see the corresponding changelog entry for CodeQL Action version 2.20.4. #1724

2.20.4 - 14 Jul 2023

• This is the last release of the Action that supports CodeQL CLI versions 2.8.5 to 2.9.3. These versions of the CodeQL CLI were deprecated on June 20, 2023 alongside GitHub Enterprise Server 3.5 and will not be supported by the next release of the CodeQL Action (2.21.0).
  • If you are using one of these versions, please update to CodeQL CLI version 2.9.4 or later. For instance, if you have specified a custom version of the CLI using the 'tools' input to the 'init' Action, you can remove this input to use the default version.
  • Alternatively, if you want to continue using a version of the CodeQL CLI between 2.8.5 and 2.9.3, you can replace 'github/codeql-action/@​v2' by 'github/codeql-action/@​v2.20.4' in your code scanning workflow to ensure you continue using this version of the CodeQL Action.
• We are rolling out a feature in July 2023 that will slightly reduce the default amount of RAM used for query execution, in proportion to the runner's total memory. This will help to avoid out-of-memory failures on larger runners. #1760
• Update default CodeQL bundle version to 2.14.0. #1762

... (truncated)

• 00e563e Merge pull request #1858 from github/update-v2.21.5-100912429
• 7323c2a Update changelog for v2.21.5
• 1009124 Merge pull request #1845 from github/update-bundle/codeql-bundle-v2.14.3
• a2d14d3 Merge branch 'main' into update-bundle/codeql-bundle-v2.14.3
• ff9cb43 Merge pull request #1853 from github/igfoo/kot1.9.10
• 2f913c1 npm run build
• 7dab600 Put upper limit on the CodeQL versions for which we override the Kotlin limit
• 862b2cf Add a changelog entry for the Kotlin 1.9.10 support
• 070dd05 npm run build
• ff95d14 Kotlin: Fix lint
• Additional commits viewable in compare view

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