Sourced from github/codeql-action's changelog.

CodeQL Action Changelog

[UNRELEASED]

• Improve stability when choosing the default version of CodeQL to use in code scanning workflow runs on Actions on GitHub.com. #1475
  • This change addresses customer reports of code scanning alerts on GitHub.com being closed and reopened during the rollout of new versions of CodeQL in the GitHub Actions runner images.
  • No change is required for the majority of workflows, including:
    • Workflows on GitHub.com hosted runners using the latest version (v2) of the CodeQL Action.
    • Workflows on GitHub.com hosted runners that are pinned to specific versions of the CodeQL Action from v2.2.0 onwards.
    • Workflows on GitHub Enterprise Server.
  • A change may be required for workflows on GitHub.com hosted runners that are pinned to specific versions of the CodeQL Action before v2.2.0 (e.g. v2.1.32):
    • Previously, these workflows would obtain the latest version of CodeQL from the Actions runner image.
    • Now, these workflows will download an older, compatible version of CodeQL from GitHub Releases. To use this older version, no change is required. To use the newest version of CodeQL, please update your workflows to reference the latest version of the CodeQL Action (v2).
  • Internal changes
    • These changes will not affect the majority of code scanning workflows. Continue reading only if your workflow uses @​actions/tool-cache or relies on the precise location of CodeQL within the Actions tool cache.
    • The tool cache now contains two recent CodeQL versions (previously one).
    • Each CodeQL version is located under a directory named after the release date and version number, e.g. CodeQL 2.11.6 is now located under CodeQL/2.11.6-20221211/x64/codeql (previously CodeQL/0.0.0-20221211/x64/codeql).
• Fix a bug that forced the init Action to run for at least two minutes on JavaScript. #1494

2.1.39 - 18 Jan 2023

• CodeQL Action v1 is now deprecated, and is no longer updated or supported. For better performance, improved security, and new features, upgrade to v2. For more information, see this changelog post. #1467
• Python automatic dependency installation will no longer fail for projects using Poetry that specify virtualenvs.options.no-pip = true in their poetry.toml. #1431
• Avoid printing a stack trace and error message when the action fails to find the SHA at the current directory. This will happen in several non-error states and so we now avoid cluttering the log with this message. #1485

2.1.38 - 12 Jan 2023

• Update default CodeQL bundle version to 2.12.0. #1466

2.1.37 - 14 Dec 2022

• Update default CodeQL bundle version to 2.11.6. #1433

2.1.36 - 08 Dec 2022

• Update default CodeQL bundle version to 2.11.5. #1412
• Add a step that tries to upload a SARIF file for the workflow run when that workflow run fails. This will help better surface failed code scanning workflow runs. #1393
• Python automatic dependency installation will no longer consider dependency code installed in venv as user-written, for projects using Poetry that specify virtualenvs.in-project = true in their poetry.toml. #1419

2.1.35 - 01 Dec 2022

No user facing changes.

2.1.34 - 25 Nov 2022

• Update default CodeQL bundle version to 2.11.4. #1391
• Fixed a bug where some the init action and the analyze action would have different sets of experimental feature flags enabled. #1384

... (truncated)

• a34ca99 Merge pull request #1489 from github/update-v2.1.39-597c2041
• 48fa828 Update changelog for v2.1.39
• 597c204 Merge pull request #1481 from github/henrymercer/discontinue-v1
• e0fd640 Merge pull request #1487 from github/aeisenberg/queries-check
• d731c01 Merge pull request #1486 from github/update-supported-enterprise-server-versions
• 6dfc772 Add link to new changelog post
• 60e58b4 Merge branch 'main' into henrymercer/discontinue-v1
• 9b1206e Fix a bug in cli config parsing
• 40cfcb0 Merge pull request #1485 from github/aeisenberg/comitoid-message
• e199504 Update supported GitHub Enterprise Server versions.
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