Merge remote-tracking branch 'origin/main' into mbg/ci/typecheck

2026-11-05 04:29:40 +00:00 · 2026-10-30 16:24:52 +00:00
parent 0aaf198c56 255c50d4d6
commit 8e175f388e
108 changed files with 16872 additions and 7270 deletions
--- a/.github/actions/release-initialise/action.yml
+++ b/.github/actions/release-initialise/action.yml
@@ -16,7 +16,7 @@ runs:
      shell: bash

    - name: Set up Node
-      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
+      uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
      with:
        node-version: 24
        cache: 'npm'
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -16,6 +16,14 @@ updates:
      # This might be fixed when we move to eslint v9.
      - dependency-name: "eslint-plugin-import"
        versions: [">=2.30.0"]
+
+      # Some of our dependencies are lagging behind with support for new versions of
+      # `undici` which is why we have to override it in `package.json`. Dependabot
+      # workflows fail when they try to update a dependency that is explicitly
+      # overriden. Since this happens somewhat routinely at the moment, we are
+      # excluding `undici` here and have to manually update it when needed.
+      - dependency-name: "undici"
+        versions: [">=7.30.1"]
    groups:
      npm-minor:
        patterns:
--- a/.github/workflows/__all-platform-bundle.yml
+++ b/.github/workflows/__all-platform-bundle.yml
@@ -54,11 +54,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: nightly-latest
-          - os: windows-latest
+          - os: windows-2025
            version: nightly-latest
    name: All-platform bundle
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__analysis-kinds.yml
+++ b/.github/workflows/__analysis-kinds.yml
@@ -34,28 +34,28 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
            analysis-kinds: code-scanning
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
            analysis-kinds: code-quality
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
            analysis-kinds: code-scanning,code-quality
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
            analysis-kinds: risk-assessment
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
            analysis-kinds: code-scanning
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
            analysis-kinds: code-quality
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
            analysis-kinds: code-scanning,code-quality
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
            analysis-kinds: risk-assessment
    name: Analysis kinds
--- a/.github/workflows/__analyze-ref-input.yml
+++ b/.github/workflows/__analyze-ref-input.yml
@@ -54,7 +54,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
    name: "Analyze: 'ref' and 'sha' from inputs"
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__autobuild-action.yml
+++ b/.github/workflows/__autobuild-action.yml
@@ -44,11 +44,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: macos-latest
+          - os: macos-26
            version: linked
-          - os: windows-latest
+          - os: windows-2025
            version: linked
    name: autobuild-action
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__autobuild-direct-tracing-with-working-dir.yml
+++ b/.github/workflows/__autobuild-direct-tracing-with-working-dir.yml
@@ -44,13 +44,13 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: windows-latest
+          - os: windows-2025
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
-          - os: windows-latest
+          - os: windows-2025
            version: nightly-latest
    name: Autobuild direct tracing (custom working directory)
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__autobuild-working-dir.yml
+++ b/.github/workflows/__autobuild-working-dir.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
    name: Autobuild working directory
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__build-mode-autobuild.yml
+++ b/.github/workflows/__build-mode-autobuild.yml
@@ -44,13 +44,13 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: windows-latest
+          - os: windows-2025
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
-          - os: windows-latest
+          - os: windows-2025
            version: nightly-latest
    name: Build mode autobuild
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__build-mode-manual.yml
+++ b/.github/workflows/__build-mode-manual.yml
@@ -54,7 +54,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Build mode manual
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__build-mode-none.yml
+++ b/.github/workflows/__build-mode-none.yml
@@ -34,9 +34,9 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Build mode none
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__build-mode-rollback.yml
+++ b/.github/workflows/__build-mode-rollback.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Build mode rollback
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__bundle-from-nightly.yml
+++ b/.github/workflows/__bundle-from-nightly.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
    name: 'Bundle: From nightly'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__bundle-from-toolcache.yml
+++ b/.github/workflows/__bundle-from-toolcache.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: toolcache
    name: 'Bundle: From toolcache'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__bundle-toolcache.yml
+++ b/.github/workflows/__bundle-toolcache.yml
@@ -34,11 +34,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: macos-latest
+          - os: macos-26
            version: linked
-          - os: windows-latest
+          - os: windows-2025
            version: linked
    name: 'Bundle: Caching checks'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__cleanup-db-cluster-dir.yml
+++ b/.github/workflows/__cleanup-db-cluster-dir.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
    name: Clean up database cluster directory
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__config-export.yml
+++ b/.github/workflows/__config-export.yml
@@ -34,9 +34,9 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Config export
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__config-input.yml
+++ b/.github/workflows/__config-input.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
    name: Config input
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__cpp-deptrace-disabled.yml
+++ b/.github/workflows/__cpp-deptrace-disabled.yml
@@ -34,11 +34,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: 'C/C++: disabling autoinstalling dependencies (Linux)'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__cpp-deptrace-enabled-on-macos.yml
+++ b/.github/workflows/__cpp-deptrace-enabled-on-macos.yml
@@ -34,9 +34,9 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: macos-latest
+          - os: macos-26
            version: linked
-          - os: macos-latest
+          - os: macos-26
            version: nightly-latest
    name: 'C/C++: autoinstalling dependencies is skipped (macOS)'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__cpp-deptrace-enabled.yml
+++ b/.github/workflows/__cpp-deptrace-enabled.yml
@@ -34,11 +34,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: 'C/C++: autoinstalling dependencies (Linux)'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__diagnostics-export.yml
+++ b/.github/workflows/__diagnostics-export.yml
@@ -34,9 +34,9 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Diagnostic export
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__diagnostics-without-db.yml
+++ b/.github/workflows/__diagnostics-without-db.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
    name: Diagnostic export without database
    if: github.triggering_actor != 'dependabot[bot]'
@@ -108,7 +108,7 @@ jobs:
      contents: read
      security-events: read
    timeout-minutes: 5
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    steps:
      - name: Check out repository
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -122,7 +122,7 @@ jobs:
      - name: Install dependencies
        run: npm ci
      - name: Download workflow artifact
-        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          pattern: test-mode-sarif-*
          path: sarif
--- a/.github/workflows/__export-file-baseline-information.yml
+++ b/.github/workflows/__export-file-baseline-information.yml
@@ -54,11 +54,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
            version: nightly-latest
-          - os: windows-latest
+          - os: windows-2025
            version: nightly-latest
    name: Export file baseline information
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__extractor-ram-threads.yml
+++ b/.github/workflows/__extractor-ram-threads.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
    name: Extractor ram and threads options test
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__global-proxy.yml
+++ b/.github/workflows/__global-proxy.yml
@@ -34,9 +34,9 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Proxy test
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__go-custom-queries.yml
+++ b/.github/workflows/__go-custom-queries.yml
@@ -54,9 +54,9 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: 'Go: Custom queries'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml
+++ b/.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml
@@ -44,7 +44,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
    name: 'Go: diagnostic when Go is changed after init step'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml
+++ b/.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml
@@ -44,7 +44,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
    name: 'Go: diagnostic when `file` is not installed'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__go-indirect-tracing-workaround.yml
+++ b/.github/workflows/__go-indirect-tracing-workaround.yml
@@ -44,7 +44,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
    name: 'Go: workaround for indirect tracing'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__go-tracing-autobuilder.yml
+++ b/.github/workflows/__go-tracing-autobuilder.yml
@@ -46,25 +46,25 @@ jobs:
        include:
          - os: ubuntu-24.04
            version: stable-v2.20.7
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.21.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.22.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.23.9
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.24.3
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.25.6
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: macos-latest
+          - os: macos-26
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
            version: nightly-latest
    name: 'Go: tracing with autobuilder step'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__go-tracing-custom-build-steps.yml
+++ b/.github/workflows/__go-tracing-custom-build-steps.yml
@@ -46,25 +46,25 @@ jobs:
        include:
          - os: ubuntu-24.04
            version: stable-v2.20.7
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.21.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.22.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.23.9
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.24.3
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.25.6
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: macos-latest
+          - os: macos-26
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
            version: nightly-latest
    name: 'Go: tracing with custom build steps'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__go-tracing-legacy-workflow.yml
+++ b/.github/workflows/__go-tracing-legacy-workflow.yml
@@ -46,25 +46,25 @@ jobs:
        include:
          - os: ubuntu-24.04
            version: stable-v2.20.7
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.21.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.22.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.23.9
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.24.3
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.25.6
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: macos-latest
+          - os: macos-26
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
            version: nightly-latest
    name: 'Go: tracing with legacy workflow'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__init-with-registries.yml
+++ b/.github/workflows/__init-with-registries.yml
@@ -34,11 +34,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: 'Packaging: Download using registries'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__javascript-source-root.yml
+++ b/.github/workflows/__javascript-source-root.yml
@@ -34,11 +34,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Custom source root
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__job-run-uuid-sarif.yml
+++ b/.github/workflows/__job-run-uuid-sarif.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Job run UUID added to SARIF
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__language-aliases.yml
+++ b/.github/workflows/__language-aliases.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
    name: Language aliases
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__local-bundle.yml
+++ b/.github/workflows/__local-bundle.yml
@@ -54,7 +54,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
    name: Local CodeQL bundle
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__multi-language-autodetect.yml
+++ b/.github/workflows/__multi-language-autodetect.yml
@@ -58,37 +58,37 @@ jobs:
            version: stable-v2.20.7
          - os: macos-15-xlarge
            version: stable-v2.20.7
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.21.4
          - os: macos-15-xlarge
            version: stable-v2.21.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.22.4
          - os: macos-15-xlarge
            version: stable-v2.22.4
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.23.9
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: stable-v2.23.9
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.24.3
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: stable-v2.24.3
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.25.6
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: stable-v2.25.6
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: nightly-latest
    name: Multi-language repository
    if: github.triggering_actor != 'dependabot[bot]'
@@ -121,7 +121,7 @@ jobs:
        # imports `importlib._bootstrap._ERR_MSG`, which those Python versions no longer define.
        # See https://github.com/github/codeql-action/pull/3212
        if: matrix.version != 'nightly-latest' && matrix.version != 'linked'
-        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
+        uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
        with:
          python-version: '3.13.15'

--- a/.github/workflows/__overlay-init-fallback.yml
+++ b/.github/workflows/__overlay-init-fallback.yml
@@ -34,9 +34,9 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Overlay database init fallback
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__packaging-codescanning-config-inputs-js.yml
+++ b/.github/workflows/__packaging-codescanning-config-inputs-js.yml
@@ -54,11 +54,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: 'Packaging: Config and input passed to the CLI'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__packaging-config-inputs-js.yml
+++ b/.github/workflows/__packaging-config-inputs-js.yml
@@ -54,11 +54,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: 'Packaging: Config and input'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__packaging-config-js.yml
+++ b/.github/workflows/__packaging-config-js.yml
@@ -54,11 +54,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: 'Packaging: Config file'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__packaging-inputs-js.yml
+++ b/.github/workflows/__packaging-inputs-js.yml
@@ -54,11 +54,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: 'Packaging: Action input'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__per-language-bundle-validation.yml
+++ b/.github/workflows/__per-language-bundle-validation.yml
@@ -35,40 +35,40 @@ jobs:
      matrix:
        include:
          - language: actions
-            os: ubuntu-latest
+            os: ubuntu-26.04
            version: linked
            expected-extractors: actions javascript
          - language: cpp
-            os: ubuntu-latest
+            os: ubuntu-26.04
            version: linked
            build-mode: manual
            build-command: gcc -o main main.c
          - language: csharp
-            os: ubuntu-latest
+            os: ubuntu-26.04
            version: linked
            build-mode: none
          - language: go
-            os: ubuntu-latest
+            os: ubuntu-26.04
            version: linked
            build-mode: autobuild
          - language: java
-            os: ubuntu-latest
+            os: ubuntu-26.04
            version: linked
            build-mode: none
          - language: javascript
-            os: ubuntu-latest
+            os: ubuntu-26.04
            version: linked
          - language: python
-            os: ubuntu-latest
+            os: ubuntu-26.04
            version: linked
          - language: ruby
-            os: ubuntu-latest
+            os: ubuntu-26.04
            version: linked
          - language: rust
-            os: ubuntu-latest
+            os: ubuntu-26.04
            version: linked
          - language: swift
-            os: macos-latest-xlarge
+            os: macos-26-xlarge
            version: linked
            build-mode: autobuild
    name: Per-language bundles
--- a/.github/workflows/__remote-config.yml
+++ b/.github/workflows/__remote-config.yml
@@ -54,9 +54,9 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Remote config file
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__resolve-environment-action.yml
+++ b/.github/workflows/__resolve-environment-action.yml
@@ -34,11 +34,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Resolve environment
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__ruby.yml
+++ b/.github/workflows/__ruby.yml
@@ -34,17 +34,17 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: macos-latest
+          - os: macos-26
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: macos-latest
+          - os: macos-26
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
            version: nightly-latest
    name: Ruby analysis
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__rust.yml
+++ b/.github/workflows/__rust.yml
@@ -36,13 +36,13 @@ jobs:
        include:
          - os: ubuntu-24.04
            version: stable-v2.20.7
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: stable-v2.22.1
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Rust analysis
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__split-workflow.yml
+++ b/.github/workflows/__split-workflow.yml
@@ -54,17 +54,17 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: macos-latest
+          - os: macos-26
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: macos-latest
+          - os: macos-26
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
-          - os: macos-latest
+          - os: macos-26
            version: nightly-latest
    name: Split workflow
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__start-proxy.yml
+++ b/.github/workflows/__start-proxy.yml
@@ -34,11 +34,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: macos-latest
+          - os: macos-26
            version: linked
-          - os: windows-latest
+          - os: windows-2025
            version: linked
    name: Start proxy
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__submit-sarif-failure.yml
+++ b/.github/workflows/__submit-sarif-failure.yml
@@ -34,11 +34,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Submit SARIF after failure
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__swift-autobuild.yml
+++ b/.github/workflows/__swift-autobuild.yml
@@ -34,7 +34,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: nightly-latest
    name: Swift analysis using autobuild
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__swift-custom-build.yml
+++ b/.github/workflows/__swift-custom-build.yml
@@ -54,11 +54,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: linked
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: default
-          - os: macos-latest-xlarge
+          - os: macos-26-xlarge
            version: nightly-latest
    name: Swift analysis using a custom build command
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__unset-environment.yml
+++ b/.github/workflows/__unset-environment.yml
@@ -54,9 +54,9 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: nightly-latest
    name: Test unsetting environment variables
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__unsupported-macos.yml
+++ b/.github/workflows/__unsupported-macos.yml
@@ -0,0 +1,135 @@
+# Warning: This file is generated automatically, and should not be modified.
+# Instead, please modify the template in the pr-checks directory and run:
+#     pr-checks/sync.sh
+# to regenerate this file.
+
+name: PR Check - Unsupported macOS
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  GO111MODULE: auto
+on:
+  push:
+    branches:
+      - main
+      - releases/v*
+  pull_request: {}
+  merge_group:
+    types:
+      - checks_requested
+  schedule:
+    - cron: '0 5 * * *'
+  workflow_dispatch:
+    inputs: {}
+  workflow_call:
+    inputs: {}
+defaults:
+  run:
+    shell: bash
+concurrency:
+  cancel-in-progress: ${{ github.event_name == 'pull_request' || false }}
+  group: unsupported-macos-${{github.ref}}
+jobs:
+  unsupported-macos:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: xcode-27
+            version: linked
+          - os: xcode-27
+            version: nightly-latest
+    name: Unsupported macOS
+    if: github.triggering_actor != 'dependabot[bot]'
+    permissions:
+      contents: read
+      security-events: read
+    timeout-minutes: 45
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install Node.js
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+        with:
+          node-version: 20.x
+          cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
+      - name: Install dependencies
+        run: npm ci
+      - name: Prepare test
+        id: prepare-test
+        uses: ./.github/actions/prepare-test
+        with:
+          version: ${{ matrix.version }}
+          use-all-platform-bundle: 'false'
+          setup-kotlin: 'true'
+      - name: Check xcode_select_link
+        run: |
+          readlink /private/var/db/xcode_select_link
+          file -h /private/var/db/xcode_select_link
+
+      - uses: ./../action/init
+        id: init
+        continue-on-error: true
+        env:
+          CODEQL_ACTION_CHECK_UNSUPPORTED_TRACED_ANALYSIS: true
+          CODEQL_ACTION_ABORT_UNSUPPORTED_TRACED_ANALYSIS: true
+        with:
+          languages: swift
+          tools: ${{ steps.prepare-test.outputs.tools-url }}
+
+      - name: Analyze
+        # We could run `analyze` here from `./../analyze`, but `getAnalyzeActionName` in `workflow.ts`
+        # can't cope with that unless we introduce a different testing environment. Since this step
+        # would just fail on `xcode-27` anyway, we just skip it instead.
+        if: false
+        uses: ./analyze
+        with:
+          category: '/test-codeql-version:${{ matrix.version }}'
+    env:
+      CODEQL_ACTION_SKIP_GENERATE_FAILED_SARIF: false
+      CODEQL_ACTION_SKIP_SARIF_UPLOAD: true
+      CODEQL_ACTION_TESTING_ENVIRONMENT: codeql-action-pr-checks
+      CODEQL_ACTION_TEST_MODE: true
+  unsupported-macos-sarif-checks:
+    if: github.triggering_actor != 'dependabot[bot]'
+    needs:
+      - unsupported-macos
+    permissions:
+      contents: read
+      security-events: read
+    timeout-minutes: 5
+    runs-on: ubuntu-26.04
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - name: Install Node.js
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+        with:
+          node-version: 20.x
+          cache: npm
+      - name: Install newer npm
+        run: npm install -g npm@11.19.1
+      - name: Install dependencies
+        run: npm ci
+      - name: Download workflow artifact
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          pattern: test-mode-sarif-*
+          path: sarif
+
+      - name: List artifact contents
+        run: ls -laR ./sarif
+
+      - name: Check diagnostics appear in SARIF
+        env:
+          SARIF_PATH: "./sarif/"
+          DIAGNOSTIC_ID: "codeql-action/unsupported-traced-analysis-macos"
+          DIAGNOSTIC_NAME: "Traced analysis is not supported on this version of macOS"
+          EXPECTED_LOCATIONS: "0"
+          EXPECTED_MESSAGE: |
+            Traced analysis is not supported on macOS 27 or above.
+        run: npx tsx ./pr-checks/check-diagnostics.ts
+    env:
+      CODEQL_ACTION_TEST_MODE: true
--- a/.github/workflows/__upload-ref-sha-input.yml
+++ b/.github/workflows/__upload-ref-sha-input.yml
@@ -54,7 +54,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
    name: "Upload-sarif: 'ref' and 'sha' from inputs"
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/__upload-sarif.yml
+++ b/.github/workflows/__upload-sarif.yml
@@ -54,13 +54,13 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
            analysis-kinds: code-scanning
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
            analysis-kinds: code-quality
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: default
            analysis-kinds: code-scanning,code-quality
    name: Test different uses of `upload-sarif`
--- a/.github/workflows/__with-checkout-path.yml
+++ b/.github/workflows/__with-checkout-path.yml
@@ -54,7 +54,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
            version: linked
    name: Use a custom `checkout_path`
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -22,7 +22,7 @@ jobs:
  # Identify the CodeQL tool versions to use in the analysis job.
  check-codeql-versions:
    if: github.triggering_actor != 'dependabot[bot]'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    outputs:
      versions: ${{ steps.compare.outputs.versions }}

@@ -106,7 +106,7 @@ jobs:

  analyze-other:
    if: github.triggering_actor != 'dependabot[bot]'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04

    strategy:
      fail-fast: false
--- a/.github/workflows/codescanning-config-cli.yml
+++ b/.github/workflows/codescanning-config-cli.yml
@@ -41,11 +41,11 @@ jobs:
      fail-fast: false
      matrix:
        include:
-        - os: ubuntu-latest
+        - os: ubuntu-26.04
          version: linked
-        - os: ubuntu-latest
+        - os: ubuntu-26.04
          version: default
-        - os: ubuntu-latest
+        - os: ubuntu-26.04
          version: nightly-latest

    # Code-Scanning config not created because environment variable is not set
--- a/.github/workflows/debug-artifacts-failure-safe.yml
+++ b/.github/workflows/debug-artifacts-failure-safe.yml
@@ -47,7 +47,7 @@ jobs:
    # stable-v2.20.7 requires an older version of Java than the default on `ubuntu-latest` (`ubuntu-26.04`).
    # We could install that older version on the newer runners, or use the older runner.
    # We do the latter here. This can be removed once we stop supporting `v2.20.7`.
-    runs-on: ${{ case(matrix.version == 'stable-v2.20.7', 'ubuntu-24.04', 'ubuntu-latest') }}
+    runs-on: ${{ case(matrix.version == 'stable-v2.20.7', 'ubuntu-24.04', 'ubuntu-26.04') }}

    steps:
      - name: Dump GitHub event
@@ -91,12 +91,13 @@ jobs:
    timeout-minutes: 45
    permissions:
      contents: read
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    steps:
      - name: Download all artifacts
        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
      - name: Check expected artifacts exist
        run: |
+          VERSIONS="stable-v2.20.7 default linked nightly-latest"
          LANGUAGES="cpp csharp go java javascript python"
          for version in $VERSIONS; do
            echo "Artifacts from version $version:"
--- a/.github/workflows/debug-artifacts-safe.yml
+++ b/.github/workflows/debug-artifacts-safe.yml
@@ -45,7 +45,7 @@ jobs:
    # stable-v2.20.7 requires an older version of Java than the default on `ubuntu-latest` (`ubuntu-26.04`).
    # We could install that older version on the newer runners, or use the older runner.
    # We do the latter here. This can be removed once we stop supporting `v2.20.7`.
-    runs-on: ${{ case(matrix.version == 'stable-v2.20.7', 'ubuntu-24.04', 'ubuntu-latest') }}
+    runs-on: ${{ case(matrix.version == 'stable-v2.20.7', 'ubuntu-24.04', 'ubuntu-26.04') }}

    steps:
      - name: Check out repository
@@ -84,7 +84,7 @@ jobs:
    timeout-minutes: 45
    permissions:
      contents: read
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    steps:
      - name: Download all artifacts
        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
--- a/.github/workflows/post-release-mergeback.yml
+++ b/.github/workflows/post-release-mergeback.yml
@@ -10,7 +10,7 @@ on:
  workflow_dispatch:
    inputs:
      baseBranch:
-        description: 'The base branch to merge into'
+        description: "The base branch to merge into"
        default: main
        required: false

@@ -24,7 +24,7 @@ defaults:

 jobs:
  merge-back:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    environment: Automation
    if: github.repository == 'github/codeql-action'
    env:
@@ -41,16 +41,16 @@ jobs:

      - name: Dump GitHub context
        env:
-          GITHUB_CONTEXT: '${{ toJson(github) }}'
+          GITHUB_CONTEXT: "${{ toJson(github) }}"
        run: echo "${GITHUB_CONTEXT}"

      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
-          fetch-depth: 0  # ensure we have all tags and can push commits
+          fetch-depth: 0 # ensure we have all tags and can push commits
      - uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
        with:
          node-version: 24
-          cache: 'npm'
+          cache: "npm"

      - name: Install JavaScript dependencies
        run: npm ci
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -25,7 +25,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-26.04, macos-26, windows-2025]
        node-version: [20, 24]
    permissions:
      contents: read
@@ -71,7 +71,7 @@ jobs:
        run: npm test

      - name: Lint
-        if: always() && matrix.os != 'windows-latest'
+        if: always() && matrix.os != 'windows-2025'
        run: npm run lint-ci

      - name: Upload sarif
@@ -81,7 +81,7 @@ jobs:
        # paired `push` run that the queue branch creates use that ref, so gate on the ref itself
        # rather than the event. The same results are uploaded by the `pull_request` run and again
        # by the `push` run on `main`.
-        if: matrix.os == 'ubuntu-latest' && matrix.node-version == 24 && !startsWith(github.ref, 'refs/heads/gh-readonly-queue/')
+        if: matrix.os == 'ubuntu-26.04' && matrix.node-version == 24 && !startsWith(github.ref, 'refs/heads/gh-readonly-queue/')
        with:
          sarif_file: eslint.sarif
          category: eslint
@@ -93,7 +93,7 @@ jobs:
    if: github.triggering_actor != 'dependabot[bot]'
    permissions:
      contents: read
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    timeout-minutes: 10

    concurrency:
--- a/.github/workflows/pr-dequeued.yml
+++ b/.github/workflows/pr-dequeued.yml
@@ -21,8 +21,23 @@ jobs:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          REASON: ${{ github.event.reason }}
-          USER: ${{ github.event.pull_request.user.login }}
        run: |
-          echo "@$USER The pull request was removed from the merge queue (\`$REASON\`)." \
+          # Mention whoever added the PR to the merge queue rather than the PR author, who may be a
+          # bot such as Dependabot. The `dequeued` event payload doesn't identify the enqueuer, so
+          # look them up in the most recent `AddedToMergeQueueEvent` on the PR's timeline.
+          enqueuer=$(gh api graphql \
+            -F number="$PR_NUMBER" \
+            -f query='
+              query($number: Int!) {
+                repository(owner: "github", name: "codeql-action") {
+                  pullRequest(number: $number) {
+                    timelineItems(itemTypes: [ADDED_TO_MERGE_QUEUE_EVENT], last: 1) {
+                      nodes { ... on AddedToMergeQueueEvent { enqueuer { login } } }
+                    }
+                  }
+                }
+              }' \
+            --jq '.data.repository.pullRequest.timelineItems.nodes[0].enqueuer.login')
+          echo "@$enqueuer The pull request was removed from the merge queue (\`$REASON\`)." \
            "Please resolve any issues if required and enqueue the PR again." |
            gh pr comment --body-file - --repo github/codeql-action "$PR_NUMBER"
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -29,7 +29,7 @@ defaults:
 jobs:
  prepare:
    name: "Release info"
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    if: github.repository == 'github/codeql-action'

    permissions:
--- a/.github/workflows/python312-windows.yml
+++ b/.github/workflows/python312-windows.yml
@@ -29,10 +29,10 @@ jobs:
      contents: read
      # We currently need `security-events: read` to access feature flags.
      security-events: read
-    runs-on: windows-latest
+    runs-on: windows-2025

    steps:
-    - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
+    - uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
      with:
        python-version: 3.12

--- a/.github/workflows/query-filters.yml
+++ b/.github/workflows/query-filters.yml
@@ -25,7 +25,7 @@ jobs:
    name: Query Filters Tests
    if: github.triggering_actor != 'dependabot[bot]'
    timeout-minutes: 45
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    permissions:
      contents: read # This permission is needed to allow the GitHub Actions workflow to read the contents of the repository.
    steps:
--- a/.github/workflows/rebuild.yml
+++ b/.github/workflows/rebuild.yml
@@ -12,7 +12,7 @@ defaults:
 jobs:
  rebuild:
    name: Rebuild Action
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    if: github.event.label.name == 'Rebuild' || github.event_name == 'workflow_dispatch'

    env:
@@ -33,7 +33,7 @@ jobs:
        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
        with:
          node-version: 24
-          cache: 'npm'
+          cache: "npm"

      - name: Remove label
        if: github.event_name == 'pull_request'
--- a/.github/workflows/rollback-release.yml
+++ b/.github/workflows/rollback-release.yml
@@ -34,7 +34,7 @@ jobs:
  rollback:
    name: "Create rollback release"
    if: github.repository == 'github/codeql-action'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    timeout-minutes: 45

    # Don't set the deployment environment for test runs
--- a/.github/workflows/test-codeql-bundle-all.yml
+++ b/.github/workflows/test-codeql-bundle-all.yml
@@ -27,7 +27,7 @@ jobs:
      fail-fast: false
      matrix:
        include:
-        - os: ubuntu-latest
+        - os: ubuntu-26.04
          version: nightly-latest
    name: 'CodeQL Bundle All'
    if: github.triggering_actor != 'dependabot[bot]'
--- a/.github/workflows/update-bundle.yml
+++ b/.github/workflows/update-bundle.yml
@@ -20,7 +20,7 @@ defaults:
 jobs:
  update-bundle:
    if: github.event.release.prerelease && startsWith(github.event.release.tag_name, 'codeql-bundle-')
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    permissions:
      contents: write # needed to push commits
      pull-requests: write # needed to create pull requests
--- a/.github/workflows/update-release-branch.yml
+++ b/.github/workflows/update-release-branch.yml
@@ -26,7 +26,7 @@ jobs:
  update:
    name: "Update release branch"
    timeout-minutes: 45
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    if: github.event_name == 'workflow_dispatch'
    needs: [prepare]
    env:
@@ -79,7 +79,7 @@ jobs:
  backport:
    name: "Create backport"
    timeout-minutes: 45
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
    environment: Automation
    needs: [prepare]
    if: ${{ (github.event_name == 'push') && needs.prepare.outputs.backport_target_branches != '[]' }}
--- a/README.md
+++ b/README.md
@@ -76,7 +76,6 @@ We typically release new minor versions of the CodeQL Action and Bundle when a n
 | `v4.33.0` | `2.24.3` | Enterprise Server 3.21 | |
 | `v4.31.10` | `2.23.9` | Enterprise Server 3.20 | |
 | `v3.29.11` | `2.22.4` | Enterprise Server 3.19 | |
-| `v3.28.21` | `2.21.3` | Enterprise Server 3.18 | |

 See the full list of GHES release and deprecation dates at [GitHub Enterprise Server releases](https://docs.github.com/en/enterprise-server/admin/all-releases#releases-of-github-enterprise-server).

--- a/lib/entry-points.js
+++ b/lib/entry-points.js
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,12 +30,12 @@
        "follow-redirects": "^1.16.1",
        "get-folder-size": "^5.0.0",
        "https-proxy-agent": "^7.0.6",
-        "js-yaml": "^5.4.3",
+        "js-yaml": "^5.5.0",
        "jsonschema": "1.5.0",
        "long": "^5.3.2",
        "node-forge": "^1.4.0",
        "semver": "^7.8.5",
-        "undici": "^6.28.0",
+        "undici": "^7.30.1",
        "uuid": "^14.0.3"
      },
      "devDependencies": {
@@ -50,29 +50,21 @@
        "@types/node-forge": "^1.3.14",
        "@types/sarif": "^2.1.7",
        "@types/semver": "^7.8.0",
-        "@types/sinon": "^22.0.0",
+        "@types/sinon": "^22.0.1",
        "ava": "^6.4.1",
        "esbuild": "^0.28.2",
        "eslint": "^9.39.5",
        "eslint-import-resolver-typescript": "^4.4.5",
        "eslint-plugin-github": "^6.1.2",
        "eslint-plugin-import-x": "^4.17.1",
-        "eslint-plugin-jsdoc": "^65.3.4",
+        "eslint-plugin-jsdoc": "^65.4.0",
        "eslint-plugin-no-async-foreach": "^0.1.1",
        "glob": "^13.0.6",
        "globals": "^17.13.0",
        "nock": "^14.0.17",
        "sinon": "^22.1.0",
        "typescript": "^6.0.3",
-        "typescript-eslint": "^8.71.2"
-      }
-    },
-    "node_modules/@aashutoshrathi/word-wrap": {
-      "version": "1.2.6",
-      "dev": true,
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.10.0"
+        "typescript-eslint": "^8.72.0"
      }
    },
    "node_modules/@actions/artifact": {
@@ -958,18 +950,89 @@
        "tslib": "^2.4.0"
      }
    },
+    "node_modules/@es-joy/escodegen": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/@es-joy/escodegen/-/escodegen-4.2.0.tgz",
+      "integrity": "sha512-jWqqS3StW6vGwJeT8yu6alS4nipOBi3kD/pR63+9hG2NfGafCJ4viDME15mVf+fyupyptcUJDXfv63gFF5Gzfg==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "dependencies": {
+        "@es-joy/estraverse": "^7.1.1",
+        "@es-joy/jsdoccomment": "^0.62.0",
+        "esprima": "^4.0.1",
+        "esutils": "^2.0.3",
+        "optionator": "^0.9.4"
+      },
+      "bin": {
+        "escodegen": "bin/escodegen.js",
+        "esgenerate": "bin/esgenerate.js"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "optionalDependencies": {
+        "source-map": "~0.7.6"
+      }
+    },
+    "node_modules/@es-joy/escodegen/node_modules/@es-joy/jsdoccomment": {
+      "version": "0.62.0",
+      "resolved": "https://registry.npmjs.org/@es-joy/jsdoccomment/-/jsdoccomment-0.62.0.tgz",
+      "integrity": "sha512-yWi6sm7INEwnfS7IJvE0dU+RTrwzLPFcY7e7eGpu/l5Q9lWfQ2ROwZ0qVnc242jw2TUPsfHX3XMIISkGBv57RQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/estree": "^1.0.8",
+        "@typescript-eslint/types": "^8.44.1",
+        "comment-parser": "1.4.1",
+        "esquery": "^1.6.0",
+        "jsdoc-type-pratt-parser": "~5.9.0"
+      },
+      "engines": {
+        "node": ">=20.11.0"
+      }
+    },
+    "node_modules/@es-joy/escodegen/node_modules/comment-parser": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/comment-parser/-/comment-parser-1.4.1.tgz",
+      "integrity": "sha512-buhp5kePrmda3vhc5B9t7pUQXAb2Tnd0qgpkIhPhkHXxJpiPJ11H0ZEU0oBpJ2QztSbzG/ZxMj/CHsYJqRHmyg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 12.0.0"
+      }
+    },
+    "node_modules/@es-joy/escodegen/node_modules/jsdoc-type-pratt-parser": {
+      "version": "5.9.2",
+      "resolved": "https://registry.npmjs.org/jsdoc-type-pratt-parser/-/jsdoc-type-pratt-parser-5.9.2.tgz",
+      "integrity": "sha512-TYzkACp/wPvDJLRY7qpHXtrhgwoAaojIOnLaaVNi+AbPU2u1kkjfKd9hXXTq0qSAGsyYXvwUXt99h9I5iCmjjw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12.0.0"
+      }
+    },
+    "node_modules/@es-joy/estraverse": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/@es-joy/estraverse/-/estraverse-7.1.1.tgz",
+      "integrity": "sha512-h2d737iS0LFAqypZOmXizu54qAbHofI/RpD30Zom03O6BCXKHuFevWKPcGarZbGq82h7qSBb5G6kLdhTMO+caw==",
+      "dev": true,
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=4.0"
+      }
+    },
    "node_modules/@es-joy/jsdoccomment": {
-      "version": "0.98.0",
-      "resolved": "https://registry.npmjs.org/@es-joy/jsdoccomment/-/jsdoccomment-0.98.0.tgz",
-      "integrity": "sha512-QS+b7I2aaSM+gZfDz1b9E4B367JJ2qTjFXRKF289iKkh9sYdZ21Q5MiF/Duzouy3J0C4VhM3I/8f2F4+zT8gYQ==",
+      "version": "0.100.0",
+      "resolved": "https://registry.npmjs.org/@es-joy/jsdoccomment/-/jsdoccomment-0.100.0.tgz",
+      "integrity": "sha512-QuIT5kMg3XWN22Wa1rcXmR/GkfSg6Ygs/ikMiHihdSpu+o3O59LygkFV9srKa5xHplBFwNd5ZCo3bywL4k7qMQ==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
        "@types/estree": "^1.0.9",
-        "@typescript-eslint/types": "^8.70.0",
+        "@typescript-eslint/types": "^8.72.0",
        "comment-parser": "1.4.9",
        "esquery": "^1.7.0",
-        "jsdoc-type-pratt-parser": "~9.2.2"
+        "jsdoc-type-pratt-parser": "~9.3.0"
      },
      "engines": {
        "node": "^22.22.2 || >=24.15.0"
@@ -2681,20 +2744,15 @@
      "license": "MIT"
    },
    "node_modules/@types/sinon": {
-      "version": "22.0.0",
-      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-22.0.0.tgz",
-      "integrity": "sha512-TDbVpbccc2HfiqHR09Argj3mHV1KMW7sCCKj52fsl8lbRLkEn7fB1966EWhOKWUBcqfBueZuPoA7/OK1CKiy3g==",
+      "version": "22.0.1",
+      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-22.0.1.tgz",
+      "integrity": "sha512-MThluJXPmpBY+Z5S3565F2z+hjkCXnBrr36j2mitVQ7JUtxA+A+YQhs+0Q6J8jxb0SVJvydO+6NWfj9EBzpiBQ==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@types/sinonjs__fake-timers": "*"
+        "@sinonjs/fake-timers": "^15.4.0"
      }
    },
-    "node_modules/@types/sinonjs__fake-timers": {
-      "version": "8.1.2",
-      "dev": true,
-      "license": "MIT"
-    },
    "node_modules/@types/unist": {
      "version": "3.0.3",
      "resolved": "https://registry.npmjs.org/@types/unist/-/unist-3.0.3.tgz",
@@ -2702,17 +2760,17 @@
      "license": "MIT"
    },
    "node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.71.2.tgz",
-      "integrity": "sha512-K72/pvT7qpm8q3k8G5u93NCSN1RcLxX5h7Gw0bQpbMXviBHeY6Nx1WEwmk9wP+eKTSQ8ecxvcgt/ZX/rB938xQ==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.72.0.tgz",
+      "integrity": "sha512-aysKgysPX9XOv/dk95UkvUDe++Q3n3dJPG9CEWT3RUccxfkPJ+Qn6nhKPDhZXU6Ofo9kgwGWwKyQCnZIXTgngg==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
        "@eslint-community/regexpp": "^4.12.2",
-        "@typescript-eslint/scope-manager": "8.71.2",
-        "@typescript-eslint/type-utils": "8.71.2",
-        "@typescript-eslint/utils": "8.71.2",
-        "@typescript-eslint/visitor-keys": "8.71.2",
+        "@typescript-eslint/scope-manager": "8.72.0",
+        "@typescript-eslint/type-utils": "8.72.0",
+        "@typescript-eslint/utils": "8.72.0",
+        "@typescript-eslint/visitor-keys": "8.72.0",
        "ignore": "^7.0.5",
        "natural-compare": "^1.4.0",
        "ts-api-utils": "^2.5.0"
@@ -2725,7 +2783,7 @@
        "url": "https://opencollective.com/typescript-eslint"
      },
      "peerDependencies": {
-        "@typescript-eslint/parser": "^8.71.2",
+        "@typescript-eslint/parser": "^8.72.0",
        "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0",
        "typescript": ">=4.8.4 <6.1.0"
      }
@@ -2741,16 +2799,16 @@
      }
    },
    "node_modules/@typescript-eslint/parser": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.71.2.tgz",
-      "integrity": "sha512-aTtmZjp/x3gsGHkDs04/1I8kNogBJkpQaeGaN0PfiG43NzDEmW2n+OP5im9wfsvyX0yP1UZWBrAGtDBfH9jEVw==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.72.0.tgz",
+      "integrity": "sha512-0O+x3ynciD6zuXb1CKSu165haQV6ey53DKhHHUnujP7U+XlltJG+/keT0Xhd1HXCze+IHf7Tvt39ovyepX/LNw==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@typescript-eslint/scope-manager": "8.71.2",
-        "@typescript-eslint/types": "8.71.2",
-        "@typescript-eslint/typescript-estree": "8.71.2",
-        "@typescript-eslint/visitor-keys": "8.71.2",
+        "@typescript-eslint/scope-manager": "8.72.0",
+        "@typescript-eslint/types": "8.72.0",
+        "@typescript-eslint/typescript-estree": "8.72.0",
+        "@typescript-eslint/visitor-keys": "8.72.0",
        "debug": "^4.4.3"
      },
      "engines": {
@@ -2784,14 +2842,14 @@
      }
    },
    "node_modules/@typescript-eslint/project-service": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.71.2.tgz",
-      "integrity": "sha512-Pd68GsLVh5ZXlcEccFPdhSOvtHZ/2WU0XsA8zmXOS3F158lVlcTLhfQ6qvtL1RzbMie0Kp8xtbVwAg4nejKPHw==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.72.0.tgz",
+      "integrity": "sha512-bzHngBbmIgzj6TsTjVUCntGx6FFLgE7mPjpO0PzHycOaZHXqS43XnrkFIHRS16LLr/xO6FHSXG3GJFo/F4bSBQ==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@typescript-eslint/tsconfig-utils": "^8.71.2",
-        "@typescript-eslint/types": "^8.71.2",
+        "@typescript-eslint/tsconfig-utils": "^8.72.0",
+        "@typescript-eslint/types": "^8.72.0",
        "debug": "^4.4.3"
      },
      "engines": {
@@ -2824,14 +2882,14 @@
      }
    },
    "node_modules/@typescript-eslint/scope-manager": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.71.2.tgz",
-      "integrity": "sha512-YF4wgg5iUX5Obywoac27B56FhozMNFhdJSbh11H5GBAwmBtfyRhmgTQqW9tRNNmHDvsZ2CX6UGzoz+YfYn2Leg==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.72.0.tgz",
+      "integrity": "sha512-JewPyJOYcXBSAS7PIgufscHOwZqhTGyBRiQJhhuDln66tMchxvvt7nJ90JKKIoOelmdHA3kAQbm9cEUHc4JSEA==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@typescript-eslint/types": "8.71.2",
-        "@typescript-eslint/visitor-keys": "8.71.2"
+        "@typescript-eslint/types": "8.72.0",
+        "@typescript-eslint/visitor-keys": "8.72.0"
      },
      "engines": {
        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -2842,9 +2900,9 @@
      }
    },
    "node_modules/@typescript-eslint/tsconfig-utils": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.71.2.tgz",
-      "integrity": "sha512-jz49TAWokm/7yWD9/o837nYax9DyALxIPOImdImvVzo6canBCZYzin8zJyqNR5k1j9K1DE0bVvr0XYB+99uAdg==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/tsconfig-utils/-/tsconfig-utils-8.72.0.tgz",
+      "integrity": "sha512-0vbxCf7xLVPSjcOdm6eQbgViH8EDJ8xnl1laLT9yoqSz2YmcSfSg5Vdl0JUvZf6rcuJ0ZivJIuMD4edTg8obaA==",
      "dev": true,
      "license": "MIT",
      "engines": {
@@ -2859,15 +2917,15 @@
      }
    },
    "node_modules/@typescript-eslint/type-utils": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.71.2.tgz",
-      "integrity": "sha512-cC8UaalCViJkb3rH/xLIvidEwoFRtMZMUqDjjJMGEKaTFwYRHYBcoczlEGHuvkHEO8svRDrgZ0yQgOArFmwang==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.72.0.tgz",
+      "integrity": "sha512-gEXxmmbSTSOVTC37IYYvremOM31v+UN2W772bJxmVYPhAOPSUxtacyb7wkm1EhkYKU6KzFJsdU44DCV4to0LWw==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@typescript-eslint/types": "8.71.2",
-        "@typescript-eslint/typescript-estree": "8.71.2",
-        "@typescript-eslint/utils": "8.71.2",
+        "@typescript-eslint/types": "8.72.0",
+        "@typescript-eslint/typescript-estree": "8.72.0",
+        "@typescript-eslint/utils": "8.72.0",
        "debug": "^4.4.3",
        "ts-api-utils": "^2.5.0"
      },
@@ -2902,9 +2960,9 @@
      }
    },
    "node_modules/@typescript-eslint/types": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.71.2.tgz",
-      "integrity": "sha512-y5Ukl3oVp7e/VGxqIoEXoeb/Roj71PAJ4WG/N/RGj+eeDvKRLM15kGr9MijLbN0i03S52zxu31Z98E5gWChJKw==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.72.0.tgz",
+      "integrity": "sha512-Adfoy59kxNEjT5E5fnyrp7GpHYuWs8ONbdohu4ez6IU46qDq8LltG90tLmkucZB2uhYL8mqBjtXqGd8yhfjXqQ==",
      "dev": true,
      "license": "MIT",
      "engines": {
@@ -2916,16 +2974,16 @@
      }
    },
    "node_modules/@typescript-eslint/typescript-estree": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.71.2.tgz",
-      "integrity": "sha512-DgNOEsl4pdYzwSL+N/Cl33tX1Hlw3FvId73LnKXfq7jnrF2viOEn7X+P7RBkkSWCVm92gnWd28GIC5vJuLREeA==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.72.0.tgz",
+      "integrity": "sha512-gwLfFgWcw15tN2KXDCJvxEOQjPn+P3j/n3eSqkZ5sX4VpW9Cosodr+tWwBZRvJT3TcKx6HnPRGZMCNAiP1Xhug==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@typescript-eslint/project-service": "8.71.2",
-        "@typescript-eslint/tsconfig-utils": "8.71.2",
-        "@typescript-eslint/types": "8.71.2",
-        "@typescript-eslint/visitor-keys": "8.71.2",
+        "@typescript-eslint/project-service": "8.72.0",
+        "@typescript-eslint/tsconfig-utils": "8.72.0",
+        "@typescript-eslint/types": "8.72.0",
+        "@typescript-eslint/visitor-keys": "8.72.0",
        "debug": "^4.4.3",
        "minimatch": "^10.2.2",
        "semver": "^7.7.3",
@@ -3001,16 +3059,16 @@
      }
    },
    "node_modules/@typescript-eslint/utils": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.71.2.tgz",
-      "integrity": "sha512-RyKa1G1M9rKHDhrk+HJtiF1MvLD5Ux2JW3TSkzw+02pRALdpJb+QzG1Y5em+LvCgzGwgg8H7mBRFKljNz7ImPw==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.72.0.tgz",
+      "integrity": "sha512-0up3oArJZBYnzOaEXKo8DmI43QvMZyPoFEt9LWzRJcyl/RcJjfKKPebknN1VbTgXBf3M/KggUh5uUMdURLnseg==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
        "@eslint-community/eslint-utils": "^4.9.1",
-        "@typescript-eslint/scope-manager": "8.71.2",
-        "@typescript-eslint/types": "8.71.2",
-        "@typescript-eslint/typescript-estree": "8.71.2"
+        "@typescript-eslint/scope-manager": "8.72.0",
+        "@typescript-eslint/types": "8.72.0",
+        "@typescript-eslint/typescript-estree": "8.72.0"
      },
      "engines": {
        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -3025,13 +3083,13 @@
      }
    },
    "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.71.2.tgz",
-      "integrity": "sha512-zozlN0UA32bSG2zkKAgQyRYSbEISVoyU6vvkKYo2aSny74D8Jh4e+POkJ6Lk0dlezZi5x7TtD+88Xb06IB8nhg==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.72.0.tgz",
+      "integrity": "sha512-E2mroviasaWecDzTGiGMtuEguuLVOeRggnrIn93CJuxYJzQBHbyymlT08aVQydbBal5538o+JkBKXh2sRuCyIA==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@typescript-eslint/types": "8.71.2",
+        "@typescript-eslint/types": "8.72.0",
        "eslint-visitor-keys": "^5.0.0"
      },
      "engines": {
@@ -3576,6 +3634,7 @@
    },
    "node_modules/argparse": {
      "version": "2.0.1",
+      "dev": true,
      "license": "Python-2.0"
    },
    "node_modules/aria-query": {
@@ -5365,15 +5424,16 @@
      }
    },
    "node_modules/eslint-plugin-jsdoc": {
-      "version": "65.3.4",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-jsdoc/-/eslint-plugin-jsdoc-65.3.4.tgz",
-      "integrity": "sha512-Z3/ro8sZPqnXKhyAzCNa3F7KCZ3js5xVx/q9BEvTjUGzN6OIQfdb+q3Sc9lJ3zCfyPnN0tI524ulZjYRxAwnAw==",
+      "version": "65.4.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-jsdoc/-/eslint-plugin-jsdoc-65.4.0.tgz",
+      "integrity": "sha512-bRiU6LfCFmLL7GuePKvA6ZIcXLonhZGCg2TgQLmkcExeVdAirQp2Hsf3xeSUTmlKwAAsREVEOLbZYD8F7oA69g==",
      "dev": true,
      "license": "BSD-3-Clause",
      "dependencies": {
-        "@es-joy/jsdoccomment": "~0.98.0",
+        "@es-joy/escodegen": "^4.2.0",
+        "@es-joy/jsdoccomment": "~0.100.0",
        "@es-joy/resolve.exports": "1.2.0",
-        "@typescript-eslint/utils": "^8.70.1",
+        "@typescript-eslint/utils": "^8.72.0",
        "are-docs-informative": "^0.1.1",
        "comment-parser": "1.4.9",
        "debug": "^4.4.3",
@@ -7121,9 +7181,9 @@
      }
    },
    "node_modules/js-yaml": {
-      "version": "5.4.3",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.4.3.tgz",
-      "integrity": "sha512-yzzNtgczwgoVHNigCyKTXcQJU4Y8t/ikU4UxXW0BvrLfHTGWZhsNcOT2s/a7vn81/4KqVnNmHjaUEPlvWnNwVw==",
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-5.5.0.tgz",
+      "integrity": "sha512-paNr4LFIFPjeeSmwNYdrb8FafLLG/Cr2Af3GjbsHJ5CxIjH4r0c2emlmRdAtpPAieP1gRVzk6buBbVP5gBMGAg==",
      "funding": [
        {
          "type": "github",
@@ -7136,12 +7196,28 @@
      ],
      "license": "MIT",
      "dependencies": {
-        "argparse": "^2.0.1"
+        "argparse": "^3.0.3"
      },
      "bin": {
        "js-yaml": "bin/js-yaml.mjs"
      }
    },
+    "node_modules/js-yaml/node_modules/argparse": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-3.0.3.tgz",
+      "integrity": "sha512-Sn98ftV3KfsO8xfLPHG6oT8y+b0yvbrLgZjgPDXsharNY15tTAjqIsIju4S32nl6/iEUNNE4v+yL2Zhm8ooP3w==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/nodeca"
+        }
+      ],
+      "license": "PSF-2.0"
+    },
    "node_modules/jschardet": {
      "version": "3.1.4",
      "resolved": "https://registry.npmjs.org/jschardet/-/jschardet-3.1.4.tgz",
@@ -7153,36 +7229,18 @@
      }
    },
    "node_modules/jsdoc-type-pratt-parser": {
-      "version": "9.2.2",
-      "resolved": "https://registry.npmjs.org/jsdoc-type-pratt-parser/-/jsdoc-type-pratt-parser-9.2.2.tgz",
-      "integrity": "sha512-eFY7Rlscvv/BpY6UsVsjKwMhu1tJO/F4U/vC9g3yeRy/JqszuO1UP6Vdq+85G+3FP6fEw/sWR8a5ftPFY86csw==",
+      "version": "9.3.0",
+      "resolved": "https://registry.npmjs.org/jsdoc-type-pratt-parser/-/jsdoc-type-pratt-parser-9.3.0.tgz",
+      "integrity": "sha512-JZ8lKMCZXDlM1jAjAK5tTmtFJtgv6iFQQfjE3Fza6jBRACUueaEXLY17n1u05JO1lcPkNxgP+ddEDtiPsk5ktg==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@types/estree": "^1.0.9",
-        "@types/node": "^26.4.0"
+        "@types/estree": "^1.0.9"
      },
      "engines": {
        "node": "^22.22.2 || >=24.15.0"
      }
    },
-    "node_modules/jsdoc-type-pratt-parser/node_modules/@types/node": {
-      "version": "26.6.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.2.tgz",
-      "integrity": "sha512-X1P21scMv4zGKLYqjdGjaKa7COa0RKVYYZZN/NfvLQ1JegxFhdhpZG/Lyn8AXx6CDUavKAd11v6BvfpkDByK8g==",
-      "dev": true,
-      "license": "MIT",
-      "dependencies": {
-        "undici-types": "~8.9.0"
-      }
-    },
-    "node_modules/jsdoc-type-pratt-parser/node_modules/undici-types": {
-      "version": "8.9.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
-      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
-      "dev": true,
-      "license": "MIT"
-    },
    "node_modules/json-buffer": {
      "version": "3.0.1",
      "resolved": "https://registry.npmjs.org/json-buffer/-/json-buffer-3.0.1.tgz",
@@ -8343,16 +8401,18 @@
      }
    },
    "node_modules/optionator": {
-      "version": "0.9.3",
+      "version": "0.9.4",
+      "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.9.4.tgz",
+      "integrity": "sha512-6IpQ7mKUxRcZNLIObR0hz7lxsapSSIYNZJwXPGeF0mTVqGKFIXj1DQcMoT22S3ROcLyY/rz0PWaWZ9ayWmad9g==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@aashutoshrathi/word-wrap": "^1.2.3",
        "deep-is": "^0.1.3",
        "fast-levenshtein": "^2.0.6",
        "levn": "^0.4.1",
        "prelude-ls": "^1.2.1",
-        "type-check": "^0.4.0"
+        "type-check": "^0.4.0",
+        "word-wrap": "^1.2.5"
      },
      "engines": {
        "node": ">= 0.8.0"
@@ -9276,6 +9336,17 @@
        "url": "https://github.com/sponsors/sindresorhus"
      }
    },
+    "node_modules/source-map": {
+      "version": "0.7.6",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.6.tgz",
+      "integrity": "sha512-i5uvt8C3ikiWeNZSVZNWcfZPItFQOsYTUAOkcUPGd8DqDy1uOUikjt5dG+uRlwyvR108Fb9DOd4GvXfT0N2/uQ==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "optional": true,
+      "engines": {
+        "node": ">= 12"
+      }
+    },
    "node_modules/spdx-exceptions": {
      "version": "2.5.0",
      "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.5.0.tgz",
@@ -9981,16 +10052,16 @@
      }
    },
    "node_modules/typescript-eslint": {
-      "version": "8.71.2",
-      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-8.71.2.tgz",
-      "integrity": "sha512-Rz4effbMy2g9wnvOJZG6SbVavX313Lap1vNEbk1RUochzickvzP8P4HB+bkNg5e50eVz1hQGjh9K1omI1xB4Bw==",
+      "version": "8.72.0",
+      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-8.72.0.tgz",
+      "integrity": "sha512-r26Fkc8As+mZvqp7SLsMmNFyYUup/6CjK7/eHBHmhOw6GH6n6YFxHVFrG0jN1c5CMpDzelLPxvgeCOzx7BjN+A==",
      "dev": true,
      "license": "MIT",
      "dependencies": {
-        "@typescript-eslint/eslint-plugin": "8.71.2",
-        "@typescript-eslint/parser": "8.71.2",
-        "@typescript-eslint/typescript-estree": "8.71.2",
-        "@typescript-eslint/utils": "8.71.2"
+        "@typescript-eslint/eslint-plugin": "8.72.0",
+        "@typescript-eslint/parser": "8.72.0",
+        "@typescript-eslint/typescript-estree": "8.72.0",
+        "@typescript-eslint/utils": "8.72.0"
      },
      "engines": {
        "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -10024,12 +10095,12 @@
      }
    },
    "node_modules/undici": {
-      "version": "6.28.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-6.28.0.tgz",
-      "integrity": "sha512-LIY910g9TI13YS95lrMFrs8Rm/u/irgHeTWoKCoteeJ04CUJ92eEfj0rVn+7VKMPBpUPiUoBKfhNyLI23EE/KA==",
+      "version": "7.30.1",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-7.30.1.tgz",
+      "integrity": "sha512-03KrMbjIFDWQR5RNPrSw3bd1r12JpyFQl9/yxjUbJtqkjmllqC5lFjZh6ujeuJCKr8EOQvRW872Oy/az+nLYxg==",
      "license": "MIT",
      "engines": {
-        "node": ">=18.17"
+        "node": ">=20.18.1"
      }
    },
    "node_modules/undici-types": {
@@ -10309,6 +10380,16 @@
        "url": "https://github.com/sponsors/ljharb"
      }
    },
+    "node_modules/word-wrap": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
+      "integrity": "sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
    "node_modules/wrap-ansi": {
      "version": "7.0.0",
      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
@@ -10488,6 +10569,7 @@
        "@octokit/core": "^7.0.8",
        "@octokit/plugin-paginate-rest": ">=16.0.0",
        "@octokit/plugin-rest-endpoint-methods": "^18.0.0",
+        "glob": "^13.0.6",
        "lite-matter": "^0.1.2",
        "mdast-util-from-markdown": "^2.1.0",
        "semver": "^7.8.5",
--- a/package.json
+++ b/package.json
@@ -39,12 +39,12 @@
    "follow-redirects": "^1.16.1",
    "get-folder-size": "^5.0.0",
    "https-proxy-agent": "^7.0.6",
-    "js-yaml": "^5.4.3",
+    "js-yaml": "^5.5.0",
    "jsonschema": "1.5.0",
    "long": "^5.3.2",
    "node-forge": "^1.4.0",
    "semver": "^7.8.5",
-    "undici": "^6.28.0",
+    "undici": "^7.30.1",
    "uuid": "^14.0.3"
  },
  "devDependencies": {
@@ -59,21 +59,21 @@
    "@types/node-forge": "^1.3.14",
    "@types/sarif": "^2.1.7",
    "@types/semver": "^7.8.0",
-    "@types/sinon": "^22.0.0",
+    "@types/sinon": "^22.0.1",
    "ava": "^6.4.1",
    "esbuild": "^0.28.2",
    "eslint": "^9.39.5",
    "eslint-import-resolver-typescript": "^4.4.5",
    "eslint-plugin-github": "^6.1.2",
    "eslint-plugin-import-x": "^4.17.1",
-    "eslint-plugin-jsdoc": "^65.3.4",
+    "eslint-plugin-jsdoc": "^65.4.0",
    "eslint-plugin-no-async-foreach": "^0.1.1",
    "glob": "^13.0.6",
    "globals": "^17.13.0",
    "nock": "^14.0.17",
    "sinon": "^22.1.0",
    "typescript": "^6.0.3",
-    "typescript-eslint": "^8.71.2"
+    "typescript-eslint": "^8.72.0"
  },
  "overrides": {
    "@actions/tool-cache": {
@@ -95,6 +95,6 @@
      "semver": ">=6.3.1"
    },
    "glob": "^13.0.6",
-    "undici": "^6.28.0"
+    "undici": "^7.30.1"
  }
 }
--- a/pr-checks/check-diagnostics.ts
+++ b/pr-checks/check-diagnostics.ts
@@ -1,6 +1,8 @@
 import fs from "fs";
+import path from "path";

 import * as core from "@actions/core";
+import { globSync } from "glob";

 import * as sarif from "../src/sarif";

@@ -34,59 +36,83 @@ function checkStatusPageNotification(n: sarif.Notification) {
  }
 }

+function checkSarif(sarifFile: string) {
+  core.info(`Checking SARIF file at '${sarifFile}'`);
+
+  const log = JSON.parse(fs.readFileSync(sarifFile, "utf8")) as sarif.Log;
+  const run = log.runs[0];
+
+  if (run.invocations === undefined) {
+    throw new Error("run.invocations is undefined");
+  }
+
+  const toolExecutionNotifications =
+    run.invocations[0].toolExecutionNotifications;
+
+  if (toolExecutionNotifications === undefined) {
+    throw new Error("toolExecutionNotifications is undefined");
+  }
+
+  const statusPageNotifications = toolExecutionNotifications.filter(
+    (n) =>
+      n.descriptor?.id === DIAGNOSTIC_ID &&
+      n.properties?.visibility?.statusPage,
+  );
+  if (statusPageNotifications.length !== 1) {
+    core.setFailed(
+      "Expected exactly one status page reporting descriptor for this diagnostic in the " +
+        `'runs[].invocations[].toolExecutionNotifications[]' SARIF property, but found ` +
+        `${statusPageNotifications.length}. All notification reporting descriptors: ` +
+        `${JSON.stringify(toolExecutionNotifications)}.`,
+    );
+  }
+  checkStatusPageNotification(statusPageNotifications[0]);
+
+  const notifications = run.tool.driver.notifications;
+
+  if (notifications === undefined) {
+    throw new Error("notifications is undefined");
+  }
+
+  const diagnosticNotification = notifications.filter(
+    (n) =>
+      n.id === DIAGNOSTIC_ID &&
+      n.name === DIAGNOSTIC_ID &&
+      n.fullDescription?.text === DIAGNOSTIC_NAME,
+  );
+  if (diagnosticNotification.length !== 1) {
+    core.setFailed(
+      "Expected exactly one notification for this diagnostic in the " +
+        `'runs[].tool.driver.notifications[]' SARIF property, but found ` +
+        `${diagnosticNotification.length}. All notifications: ` +
+        `${JSON.stringify(notifications)}.`,
+    );
+  }
+}
+
 const sarifPath = process.env["SARIF_PATH"];

 if (sarifPath === undefined) {
-  throw new Error("The path to a SARIF file must be set in 'SARIF_PATH'.");
-}
-
-const log = JSON.parse(fs.readFileSync(sarifPath, "utf8")) as sarif.Log;
-const run = log.runs[0];
-
-if (run.invocations === undefined) {
-  throw new Error("run.invocations is undefined");
-}
-
-const toolExecutionNotifications =
-  run.invocations[0].toolExecutionNotifications;
-
-if (toolExecutionNotifications === undefined) {
-  throw new Error("toolExecutionNotifications is undefined");
-}
-
-const statusPageNotifications = toolExecutionNotifications.filter(
-  (n) =>
-    n.descriptor?.id === DIAGNOSTIC_ID && n.properties?.visibility?.statusPage,
-);
-if (statusPageNotifications.length !== 1) {
-  core.setFailed(
-    "Expected exactly one status page reporting descriptor for this diagnostic in the " +
-      `'runs[].invocations[].toolExecutionNotifications[]' SARIF property, but found ` +
-      `${statusPageNotifications.length}. All notification reporting descriptors: ` +
-      `${JSON.stringify(toolExecutionNotifications)}.`,
+  throw new Error(
+    "The path to a SARIF file or directory must be set in 'SARIF_PATH'.",
  );
 }
-checkStatusPageNotification(statusPageNotifications[0]);

-const notifications = run.tool.driver.notifications;
+if (fs.statSync(sarifPath).isDirectory()) {
+  const sarifFiles = globSync("**/*.sarif", {
+    cwd: path.resolve(sarifPath),
+    absolute: true,
+  });

-if (notifications === undefined) {
-  throw new Error("notifications is undefined");
-}
+  if (sarifFiles.length < 1) {
+    throw new Error(`Unable to find any .sarif files in '${sarifPath}'.`);
+  }

-const diagnosticNotification = notifications.filter(
-  (n) =>
-    n.id === DIAGNOSTIC_ID &&
-    n.name === DIAGNOSTIC_ID &&
-    n.fullDescription?.text === DIAGNOSTIC_NAME,
-);
-if (diagnosticNotification.length !== 1) {
-  core.setFailed(
-    "Expected exactly one notification for this diagnostic in the " +
-      `'runs[].tool.driver.notifications[]' SARIF property, but found ` +
-      `${diagnosticNotification.length}. All notifications: ` +
-      `${JSON.stringify(notifications)}.`,
-  );
+  for (const sarifFile of sarifFiles) {
+    checkSarif(sarifFile);
+  }
+} else {
+  checkSarif(sarifPath);
 }

 core.info("Finished diagnostic export test");
--- a/pr-checks/checks/all-platform-bundle.yml
+++ b/pr-checks/checks/all-platform-bundle.yml
@@ -3,7 +3,7 @@ description: "Tests using an all-platform CodeQL Bundle"
 operatingSystems:
  - ubuntu
  - os: macos
-    runner-image: macos-latest-xlarge
+    runner-image: macos-26-xlarge
  - windows
 versions:
  - nightly-latest
--- a/pr-checks/checks/diagnostics-without-db.yml
+++ b/pr-checks/checks/diagnostics-without-db.yml
@@ -53,7 +53,7 @@ validationJobs:
    installNode: true
    steps:
      - name: Download workflow artifact
-        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
        with:
          pattern: test-mode-sarif-*
          path: sarif
--- a/pr-checks/checks/multi-language-autodetect.yml
+++ b/pr-checks/checks/multi-language-autodetect.yml
@@ -3,7 +3,7 @@ description: "An end-to-end integration test of a multi-language repository usin
 operatingSystems:
  - ubuntu
  - os: macos
-    runner-image: macos-latest-xlarge
+    runner-image: macos-26-xlarge
  # Older CodeQL CLI versions only support Swift up to 6.1, which requires Xcode 16. That is
  # not available on macOS 26, so run these versions on macOS 15 where we select Xcode 16
  # below. See https://github.com/actions/runner-images/issues/14167.
@@ -23,7 +23,7 @@ steps:
    # imports `importlib._bootstrap._ERR_MSG`, which those Python versions no longer define.
    # See https://github.com/github/codeql-action/pull/3212
    if: matrix.version != 'nightly-latest' && matrix.version != 'linked'
-    uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
+    uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
    with:
      python-version: "3.13.15"

--- a/pr-checks/checks/per-language-bundle-validation.yml
+++ b/pr-checks/checks/per-language-bundle-validation.yml
@@ -3,41 +3,41 @@ description: Validates extraction and analysis using each per-language CodeQL bu
 matrix:
  include:
    - language: actions
-      os: ubuntu-latest
+      os: ubuntu-26.04
      version: linked
      # Actions also needs the JavaScript extractor.
      expected-extractors: actions javascript
    - language: cpp
-      os: ubuntu-latest
+      os: ubuntu-26.04
      version: linked
      build-mode: manual
      build-command: gcc -o main main.c
    - language: csharp
-      os: ubuntu-latest
+      os: ubuntu-26.04
      version: linked
      build-mode: none
    - language: go
-      os: ubuntu-latest
+      os: ubuntu-26.04
      version: linked
      build-mode: autobuild
    - language: java
-      os: ubuntu-latest
+      os: ubuntu-26.04
      version: linked
      build-mode: none
    - language: javascript
-      os: ubuntu-latest
+      os: ubuntu-26.04
      version: linked
    - language: python
-      os: ubuntu-latest
+      os: ubuntu-26.04
      version: linked
    - language: ruby
-      os: ubuntu-latest
+      os: ubuntu-26.04
      version: linked
    - language: rust
-      os: ubuntu-latest
+      os: ubuntu-26.04
      version: linked
    - language: swift
-      os: macos-latest-xlarge
+      os: macos-26-xlarge
      version: linked
      build-mode: autobuild
 installNode: true
--- a/pr-checks/checks/swift-autobuild.yml
+++ b/pr-checks/checks/swift-autobuild.yml
@@ -4,7 +4,7 @@ versions:
  - nightly-latest
 operatingSystems:
  - os: macos
-    runner-image: macos-latest-xlarge
+    runner-image: macos-26-xlarge
 steps:
  - uses: ./../action/init
    id: init
--- a/pr-checks/checks/swift-custom-build.yml
+++ b/pr-checks/checks/swift-custom-build.yml
@@ -6,7 +6,7 @@ versions:
  - nightly-latest
 operatingSystems:
  - os: macos
-    runner-image: macos-latest-xlarge
+    runner-image: macos-26-xlarge
 installGo: true
 installDotNet: true
 env:
--- a/pr-checks/checks/unsupported-macos.yml
+++ b/pr-checks/checks/unsupported-macos.yml
@@ -0,0 +1,67 @@
+name: "Unsupported macOS"
+description: "Tests that unsupported macOS versions are detected and result in appropriate diagnostics."
+versions:
+  - linked
+  - nightly-latest
+installNode: true
+
+operatingSystems:
+  - os: macos
+    runner-image: xcode-27
+
+env:
+  # Allow the failed SARIF file to be generated.
+  CODEQL_ACTION_SKIP_GENERATE_FAILED_SARIF: false
+  # But don't actually upload it.
+  CODEQL_ACTION_SKIP_SARIF_UPLOAD: true
+  # Mark telemetry for this workflow so it can be treated separately.
+  CODEQL_ACTION_TESTING_ENVIRONMENT: codeql-action-pr-checks
+
+steps:
+  - name: Check xcode_select_link
+    run: |
+      readlink /private/var/db/xcode_select_link
+      file -h /private/var/db/xcode_select_link
+
+  - uses: ./../action/init
+    id: init
+    continue-on-error: true
+    env:
+      CODEQL_ACTION_CHECK_UNSUPPORTED_TRACED_ANALYSIS: true
+      CODEQL_ACTION_ABORT_UNSUPPORTED_TRACED_ANALYSIS: true
+    with:
+      languages: swift
+      tools: ${{ steps.prepare-test.outputs.tools-url }}
+
+  - name: Analyze
+    # We could run `analyze` here from `./../analyze`, but `getAnalyzeActionName` in `workflow.ts`
+    # can't cope with that unless we introduce a different testing environment. Since this step
+    # would just fail on `xcode-27` anyway, we just skip it instead.
+    if: false
+    uses: ./analyze
+    with:
+      category: "/test-codeql-version:${{ matrix.version }}"
+
+validationJobs:
+  unsupported-macos-sarif-checks:
+    checkout: true
+    installNode: true
+    steps:
+      - name: Download workflow artifact
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        with:
+          pattern: test-mode-sarif-*
+          path: sarif
+
+      - name: List artifact contents
+        run: ls -laR ./sarif
+
+      - name: Check diagnostics appear in SARIF
+        env:
+          SARIF_PATH: "./sarif/"
+          DIAGNOSTIC_ID: "codeql-action/unsupported-traced-analysis-macos"
+          DIAGNOSTIC_NAME: "Traced analysis is not supported on this version of macOS"
+          EXPECTED_LOCATIONS: "0"
+          EXPECTED_MESSAGE: |
+            Traced analysis is not supported on macOS 27 or above.
+        run: npx tsx ./pr-checks/check-diagnostics.ts
--- a/pr-checks/package.json
+++ b/pr-checks/package.json
@@ -14,6 +14,7 @@
    "@octokit/core": "^7.0.8",
    "@octokit/plugin-paginate-rest": ">=16.0.0",
    "@octokit/plugin-rest-endpoint-methods": "^18.0.0",
+    "glob": "^13.0.6",
    "lite-matter": "^0.1.2",
    "mdast-util-from-markdown": "^2.1.0",
    "semver": "^7.8.5",
--- a/pr-checks/sync.ts
+++ b/pr-checks/sync.ts
@@ -43,6 +43,13 @@ type WorkflowInputs = Partial<Record<KnownInputName, WorkflowInput>>;
 /** An operating system identifier. */
 type OperatingSystemIdentifier = "ubuntu" | "macos" | "windows";

+/** Mapping from {@link OperatingSystemIdentifier} to default runner image labels. */
+const DEFAULT_RUNNER_IMAGES: Record<OperatingSystemIdentifier, string> = {
+  ubuntu: "ubuntu-26.04",
+  macos: "macos-26",
+  windows: "windows-2025",
+};
+
 /**
 * Represents an operating system matrix entry for a generated PR check workflow.
 *
@@ -296,8 +303,8 @@ const languageSetups: LanguageSetups = {
        name: "Install Python",
        uses: pinnedUses(
          "actions/setup-python",
-          "5fda3b95a4ea91299a34e894583c3862153e4b97",
-          "v7.0.0",
+          "6d4fd22b20465ccc0f7354476588e8df7c9ca0e0",
+          "v7.1.0",
        ),
        with: {
          "python-version": `\${{ inputs.python-version || '${defaultLanguageVersions.python}' }}`,
@@ -414,12 +421,6 @@ function generateJobMatrix(
      );
    }

-    const defaultRunnerImages = [
-      "ubuntu-latest",
-      "macos-latest",
-      "windows-latest",
-    ];
-
    for (const operatingSystemConfig of operatingSystems) {
      const operatingSystem =
        typeof operatingSystemConfig === "string"
@@ -449,7 +450,7 @@ function generateJobMatrix(
      const runnerImagesForOs =
        typeof operatingSystemConfig === "string" ||
        operatingSystemConfig["runner-image"] === undefined
-          ? defaultRunnerImages.filter((image) =>
+          ? Object.values(DEFAULT_RUNNER_IMAGES).filter((image) =>
              image.startsWith(operatingSystem),
            )
          : [operatingSystemConfig["runner-image"]];
@@ -462,7 +463,7 @@ function generateJobMatrix(
        // is removed from `defaultTestVersions`.
        const requiresOlderRunnerImage: DefaultTestVersion = "stable-v2.20.7";
        if (
-          runnerImage === "ubuntu-latest" &&
+          runnerImage === DEFAULT_RUNNER_IMAGES["ubuntu"] &&
          version === requiresOlderRunnerImage
        ) {
          matrix.push({ os: "ubuntu-24.04", version });
@@ -666,16 +667,18 @@ function generateValidationJob(
  // Add the generated steps in front of the ones from the specification.
  specSteps.items.unshift(...checkoutStep, ...steps);

+  const baseCondition = "github.triggering_actor != 'dependabot[bot]'";
+
  const validationJob: Record<string, any> = {
    name: jobSpecification.name,
-    if: "github.triggering_actor != 'dependabot[bot]'",
+    if: baseCondition,
    needs: [checkName],
    permissions: {
      contents: "read",
      "security-events": "read",
    },
    "timeout-minutes": 5,
-    "runs-on": "ubuntu-latest",
+    "runs-on": DEFAULT_RUNNER_IMAGES["ubuntu"],
    steps: specSteps,
  };

--- a/src/action-common.ts
+++ b/src/action-common.ts
@@ -1,3 +1,5 @@
+import * as os from "os";
+
 import * as core from "@actions/core";

 import { ActionsEnv, getActionsEnv } from "./actions-util";
@@ -13,6 +15,8 @@ import {
 } from "./status-report";
 import { getEnv, getErrorMessage, wrapError } from "./util";

+export type { Logger } from "./logging";
+
 /** Base state that is available to an Action on startup. */
 export interface BaseState {
  /** The name of the Action. */
@@ -23,6 +27,8 @@ export interface BaseState {
  platform: NodeJS.Platform;
  /** The architecture of the host. */
  arch: NodeJS.Architecture;
+  /** The version of the operating system. */
+  osRelease: string;
 }

 /** Describes different state features that an Action may have. */
@@ -173,6 +179,7 @@ export async function runInActions(action: Action) {
      startedAt,
      platform: process.platform,
      arch: process.arch,
+      osRelease: os.release(),
      logger,
      env,
      actions: actionsEnv,
--- a/src/actions-util.ts
+++ b/src/actions-util.ts
@@ -72,7 +72,7 @@ export const getOptionalInput = function (name: string): string | undefined {
 * directory that has been set in `CODEQL_ACTION_TEMP` by e.g. a previous step, or the
 * value of `RUNNER_TEMP` otherwise.
 */
-export function getTemporaryDirectory(env: Env = getEnv()): string {
+export function getTemporaryDirectory(env: ReadOnlyEnv = getEnv()): string {
  return (
    env.getOptional(EnvVar.TEMP) ?? env.getRequired(ActionsEnvVars.RUNNER_TEMP)
  );
@@ -361,9 +361,10 @@ const MAX_STDERR_BUFFER_SIZE = 20000;
 * Runs a CLI tool.
 *
 * @returns Standard output produced by the tool.
- * @throws A `CommandInvocationError` if the tool exits with a non-zero status code.
+ * @throws A {@link CommandInvocationError} if the tool exits with a non-zero status code.
 */
 export async function runTool(
+  env: ReadOnlyEnv,
  cmd: string,
  args: string[] = [],
  opts: { stdin?: string; noStreamStdout?: boolean } = {},
@@ -374,6 +375,7 @@ export async function runTool(
    process.stdout.write(`[command]${cmd} ${args.join(" ")}\n`);
  }
  const exitCode = await new toolrunner.ToolRunner(cmd, args, {
+    env: env.getDefined(),
    ignoreReturnCode: true,
    listeners: {
      stdout: (data: Buffer) => {
--- a/src/api-compatibility.json
+++ b/src/api-compatibility.json
@@ -1 +1 @@
-{"maximumVersion":"3.23","minimumVersion":"3.18"}
+{"maximumVersion":"3.23","minimumVersion":"3.19"}
--- a/src/cli/output-cache.ts
+++ b/src/cli/output-cache.ts
@@ -2,7 +2,7 @@ import * as fs from "fs";
 import path from "path";

 import { getTemporaryDirectory } from "../actions-util";
-import { Env } from "../environment";
+import { ReadOnlyEnv } from "../environment";
 import * as json from "../json";
 import { Logger } from "../logging";

@@ -51,7 +51,7 @@ export function resetCachedCodeQlVersion(): void {
 * Returns the path to the temporary file that backs the
 * on-disk cache of CLI responses between workflow steps.
 */
-export function getCommandCacheFilePath(env: Env): string {
+export function getCommandCacheFilePath(env: ReadOnlyEnv): string {
  return path.join(getTemporaryDirectory(env), COMMAND_CACHE_FILENAME);
 }

--- a/src/codeql.ts
+++ b/src/codeql.ts
@@ -18,7 +18,7 @@ import { CliError, wrapCliConfigurationError } from "./cli-errors";
 import type { ActionConfig } from "./config/action-config";
 import { appendExtraQueryExclusions, type Config } from "./config-utils";
 import { DocUrl } from "./doc-url";
-import { EnvVar, getEnv, exportEnvVar } from "./environment";
+import { EnvVar, getEnv, Env, ReadOnlyEnv } from "./environment";
 import {
  CodeQLDefaultVersionInfo,
  Feature,
@@ -260,17 +260,17 @@ const CODEQL_MINIMUM_VERSION = "2.20.7";
 /**
 * This version will shortly become the oldest version of CodeQL that the Action will run with.
 */
-const CODEQL_NEXT_MINIMUM_VERSION = "2.21.3";
+const CODEQL_NEXT_MINIMUM_VERSION = "2.22.4";

 /**
 * This is the version of GHES that was most recently deprecated.
 */
-const GHES_VERSION_MOST_RECENTLY_DEPRECATED = "3.17";
+const GHES_VERSION_MOST_RECENTLY_DEPRECATED = "3.18";

 /**
 * This is the deprecation date for the version of GHES that was most recently deprecated.
 */
-const GHES_MOST_RECENT_DEPRECATION_DATE = "2026-09-24";
+const GHES_MOST_RECENT_DEPRECATION_DATE = "2026-10-16";

 /** The CLI verbosity level to use for extraction in debug mode. */
 const EXTRACTION_DEBUG_MODE_VERBOSITY = "progress++";
@@ -499,13 +499,14 @@ export async function getCodeQLForCmd(
  logger: Logger,
  cmd: string,
  checkVersion: boolean,
+  env: Env = getEnv(),
 ): Promise<CodeQL> {
  const codeql: CodeQL = {
    getPath() {
      return cmd;
    },
    async getVersion() {
-      const cacheFilePath = outputCache.getCommandCacheFilePath(getEnv());
+      const cacheFilePath = outputCache.getCommandCacheFilePath(env);
      let result = outputCache.getCachedCodeQlVersion(
        logger,
        cacheFilePath,
@@ -513,6 +514,7 @@ export async function getCodeQLForCmd(
      );
      if (result === undefined) {
        result = await runCliJson<VersionInfo>(
+          env,
          cmd,
          ["version", "--format=json"],
          {
@@ -596,6 +598,7 @@ export async function getCodeQLForCmd(
        : ["--no-calculate-baseline"];

      await runCli(
+        env,
        cmd,
        [
          "database",
@@ -631,7 +634,7 @@ export async function getCodeQLForCmd(
      }
    },
    async runAutobuild(config: Config, language: Language) {
-      applyAutobuildAzurePipelinesTimeoutFix();
+      applyAutobuildAzurePipelinesTimeoutFix(env);

      const autobuildCmd = path.join(
        await this.resolveExtractor(language),
@@ -641,8 +644,11 @@ export async function getCodeQLForCmd(

      // Bump the verbosity of the autobuild command if we're in debug mode
      if (config.debugMode) {
-        process.env[EnvVar.CLI_VERBOSITY] =
-          process.env[EnvVar.CLI_VERBOSITY] || EXTRACTION_DEBUG_MODE_VERBOSITY;
+        env.set(
+          EnvVar.CLI_VERBOSITY,
+          env.getOptional(EnvVar.CLI_VERBOSITY) ??
+            EXTRACTION_DEBUG_MODE_VERBOSITY,
+        );
      }

      // On macOS, System Integrity Protection (SIP) typically interferes with
@@ -659,10 +665,10 @@ export async function getCodeQLForCmd(
      // When `DYLD_INSERT_LIBRARIES` is set in the environment for a step,
      // the Actions runtime introduces its own workaround for SIP
      // (https://github.com/actions/runner/pull/416).
-      await runCli(autobuildCmd);
+      await runCli(env, autobuildCmd);
    },
    async extractScannedLanguage(config: Config, language: Language) {
-      await runCli(cmd, [
+      await runCli(env, cmd, [
        "database",
        "trace-command",
        "--index-traceless-dbs",
@@ -674,10 +680,10 @@ export async function getCodeQLForCmd(
    },
    async extractUsingBuildMode(config: Config, language: Language) {
      if (config.buildMode === BuildMode.Autobuild) {
-        applyAutobuildAzurePipelinesTimeoutFix();
+        applyAutobuildAzurePipelinesTimeoutFix(env);
      }
      try {
-        await runCli(cmd, [
+        await runCli(env, cmd, [
          "database",
          "trace-command",
          "--use-build-mode",
@@ -716,7 +722,7 @@ export async function getCodeQLForCmd(
        ...getExtraOptionsFromEnv(["database", "finalize"]),
        databasePath,
      ];
-      await runCli(cmd, args);
+      await runCli(env, cmd, args);
    },
    async resolveLanguages(
      {
@@ -725,7 +731,7 @@ export async function getCodeQLForCmd(
        filterToLanguagesWithQueries: boolean;
      } = { filterToLanguagesWithQueries: false },
    ) {
-      return runCliJson<ResolveLanguagesOutput>(cmd, [
+      return runCliJson<ResolveLanguagesOutput>(env, cmd, [
        "resolve",
        "languages",
        "--format=betterjson",
@@ -754,7 +760,11 @@ export async function getCodeQLForCmd(
      if (workingDir !== undefined) {
        codeqlArgs.push("--working-dir", workingDir);
      }
-      return await runCliJson<ResolveBuildEnvironmentOutput>(cmd, codeqlArgs);
+      return await runCliJson<ResolveBuildEnvironmentOutput>(
+        env,
+        cmd,
+        codeqlArgs,
+      );
    },
    async databaseRunQueries(
      databasePath: string,
@@ -773,7 +783,7 @@ export async function getCodeQLForCmd(
          ignoringOptions: ["--expect-discarded-cache"],
        }),
      ];
-      await runCli(cmd, codeqlArgs);
+      await runCli(env, cmd, codeqlArgs);
    },
    async databaseInterpretResults(
      databasePath: string,
@@ -806,7 +816,7 @@ export async function getCodeQLForCmd(
        "--sarif-group-rules-by-pack",
        "--sarif-include-query-help=always",
        "--sublanguage-file-coverage",
-        ...(await getJobRunUuidSarifOptions()),
+        ...(await getJobRunUuidSarifOptions(env)),
        ...getExtraOptionsFromEnv(["database", "interpret-results"]),
      ];
      if (sarifRunPropertyFlag !== undefined) {
@@ -826,7 +836,7 @@ export async function getCodeQLForCmd(
      }
      // Capture the stdout, which contains the analysis summary. Don't stream it to the Actions
      // logs to avoid printing it twice.
-      return await runCli(cmd, codeqlArgs, {
+      return await runCli(env, cmd, codeqlArgs, {
        noStreamStdout: true,
      });
    },
@@ -843,7 +853,7 @@ export async function getCodeQLForCmd(
          `--cache-cleanup=${cleanupLevel}`,
          ...getExtraOptionsFromEnv(["database", "cleanup"]),
        ];
-        await runCli(cmd, codeqlArgs);
+        await runCli(env, cmd, codeqlArgs);
      }
    },
    async databaseBundle(
@@ -877,7 +887,9 @@ export async function getCodeQLForCmd(
          ]),
        );
      }
-      await new toolrunner.ToolRunner(cmd, args).exec();
+      await new toolrunner.ToolRunner(cmd, args, {
+        env: env.getDefined(),
+      }).exec();
    },
    async databaseExportDiagnostics(
      databasePath: string,
@@ -898,7 +910,9 @@ export async function getCodeQLForCmd(
      if (automationDetailsId !== undefined) {
        args.push("--sarif-category", automationDetailsId);
      }
-      await new toolrunner.ToolRunner(cmd, args).exec();
+      await new toolrunner.ToolRunner(cmd, args, {
+        env: env.getDefined(),
+      }).exec();
    },
    async diagnosticsExport(
      sarifFile: string,
@@ -946,7 +960,9 @@ export async function getCodeQLForCmd(
      if (automationDetailsId !== undefined) {
        args.push("--sarif-category", automationDetailsId);
      }
-      await new toolrunner.ToolRunner(cmd, args).exec();
+      await new toolrunner.ToolRunner(cmd, args, {
+        env: env.getDefined(),
+      }).exec();
    },
    async resolveExtractor(language: Language): Promise<string> {
      // Request it using `format=json` so we don't need to strip the trailing new line generated by
@@ -964,6 +980,7 @@ export async function getCodeQLForCmd(
          ...getExtraOptionsFromEnv(["resolve", "extractor"]),
        ],
        {
+          env: env.getDefined(),
          silent: true,
          listeners: {
            stdout: (data) => {
@@ -991,7 +1008,7 @@ export async function getCodeQLForCmd(
        ...getExtraOptionsFromEnv(["resolve", "queries"]),
        ...queries,
      ];
-      return await runCliJson<string[]>(cmd, codeqlArgs, {
+      return await runCliJson<string[]>(env, cmd, codeqlArgs, {
        noStreamStdout: true,
      });
    },
@@ -1005,7 +1022,7 @@ export async function getCodeQLForCmd(
        "--format=json",
        ...getExtraOptionsFromEnv(["resolve", "database"]),
      ];
-      return await runCliJson<ResolveDatabaseOutput>(cmd, codeqlArgs, {
+      return await runCliJson<ResolveDatabaseOutput>(env, cmd, codeqlArgs, {
        noStreamStdout: true,
      });
    },
@@ -1032,7 +1049,7 @@ export async function getCodeQLForCmd(
        args.push("--sarif-merge-runs-from-equal-category");
      }

-      await runCli(cmd, args);
+      await runCli(env, cmd, args);
    },
  };
  // To ensure that status reports include the CodeQL CLI version wherever
@@ -1054,7 +1071,7 @@ export async function getCodeQLForCmd(
    );
  } else if (
    checkVersion &&
-    process.env[EnvVar.SUPPRESS_DEPRECATED_SOON_WARNING] !== "true" &&
+    env.getOptional(EnvVar.SUPPRESS_DEPRECATED_SOON_WARNING) !== "true" &&
    !(await util.codeQlVersionAtLeast(codeql, CODEQL_NEXT_MINIMUM_VERSION))
  ) {
    const result = await codeql.getVersion();
@@ -1072,7 +1089,7 @@ export async function getCodeQLForCmd(
        }' by 'github/codeql-action/*@v${getActionVersion()}' in your code scanning workflow to ` +
        "continue using this version of the CodeQL Action.",
    );
-    exportEnvVar(EnvVar.SUPPRESS_DEPRECATED_SOON_WARNING, "true");
+    env.export(EnvVar.SUPPRESS_DEPRECATED_SOON_WARNING, "true");
  }
  return codeql;
 }
@@ -1149,12 +1166,13 @@ export function getExtraOptions(
 }

 async function runCli(
+  env: ReadOnlyEnv,
  cmd: string,
  args: string[] = [],
  opts: { stdin?: string; noStreamStdout?: boolean } = {},
 ): Promise<string> {
  try {
-    return await runTool(cmd, args, opts);
+    return await runTool(env, cmd, args, opts);
  } catch (e) {
    if (e instanceof CommandInvocationError) {
      throw wrapCliConfigurationError(new CliError(e));
@@ -1165,6 +1183,8 @@ async function runCli(

 /**
 * Wraps the command executor {@link runCli} and tries to parse the output as JSON.
+ *
+ * @param env The environment variables.
 * @param cmd The command to run.
 * @param args The arguments to pass to the command.
 * @param opts The options for running the command.
@@ -1173,11 +1193,12 @@ async function runCli(
 * @returns The parsed JSON output from the command.
 */
 async function runCliJson<T>(
+  env: ReadOnlyEnv,
  cmd: string,
  args: string[] = [],
  opts: { stdin?: string; noStreamStdout?: boolean } = {},
 ): Promise<T> {
-  const output = await runCli(cmd, args, opts);
+  const output = await runCli(env, cmd, args, opts);
  try {
    return JSON.parse(output) as T;
  } catch (e) {
@@ -1276,17 +1297,20 @@ function getExtractionVerbosityArguments(
 * Without the fix, long build processes will timeout when pulling down Java packages
 * https://developercommunity.visualstudio.com/content/problem/292284/maven-hosted-agent-connection-timeout.html
 */
-function applyAutobuildAzurePipelinesTimeoutFix() {
-  const javaToolOptions = process.env["JAVA_TOOL_OPTIONS"] || "";
-  process.env["JAVA_TOOL_OPTIONS"] = [
-    ...javaToolOptions.split(/\s+/),
-    "-Dhttp.keepAlive=false",
-    "-Dmaven.wagon.http.pool=false",
-  ].join(" ");
+function applyAutobuildAzurePipelinesTimeoutFix(env: Env) {
+  const javaToolOptions = env.getOptional("JAVA_TOOL_OPTIONS") ?? "";
+  env.set(
+    "JAVA_TOOL_OPTIONS",
+    [
+      ...javaToolOptions.split(/\s+/),
+      "-Dhttp.keepAlive=false",
+      "-Dmaven.wagon.http.pool=false",
+    ].join(" "),
+  );
 }

-async function getJobRunUuidSarifOptions() {
-  const jobRunUuid = process.env[EnvVar.JOB_RUN_UUID];
+async function getJobRunUuidSarifOptions(env: ReadOnlyEnv) {
+  const jobRunUuid = env.getOptional(EnvVar.JOB_RUN_UUID);

  return jobRunUuid ? [`--sarif-run-property=jobRunUuid=${jobRunUuid}`] : [];
 }
--- a/src/diagnostics.ts
+++ b/src/diagnostics.ts
@@ -3,7 +3,7 @@ import path from "path";

 import type { ActionState } from "./action-common";
 import { getTemporaryDirectory } from "./actions-util";
-import type { Config } from "./config-utils";
+import type { ActionConfig } from "./config/action-config";
 import { Language } from "./languages";
 import { getActionsLogger, type Logger } from "./logging";
 import {
@@ -177,7 +177,10 @@ export function getTempLanguageDiagnosticsPath(
 }

 /** Gets the path where diagnostics for {@link language} should be stored in the database. */
-export function getDatabaseDiagnosticsPath(config: Config, language: Language) {
+export function getDatabaseDiagnosticsPath(
+  config: ActionConfig<"dbLocation">,
+  language: Language,
+) {
  return getLanguageDiagnosticsPath(config.dbLocation, language);
 }

@@ -190,7 +193,7 @@ export function getDatabaseDiagnosticsPath(config: Config, language: Language) {
 * @param diagnostic The diagnostic message to add to the database.
 */
 export function addDiagnostic(
-  config: Config,
+  config: ActionConfig<"dbLocation" | "tempDir">,
  language: Language,
  diagnostic: DiagnosticMessage,
  logger: Logger = getActionsLogger(),
@@ -215,7 +218,7 @@ export function addDiagnostic(

 /** Adds a diagnostic that is not specific to any language. */
 export function addNoLanguageDiagnostic(
-  config: Config | undefined,
+  config: ActionConfig<"dbLocation" | "languages" | "tempDir"> | undefined,
  diagnostic: DiagnosticMessage,
  logger: Logger = getActionsLogger(),
 ) {
@@ -305,7 +308,7 @@ function writeDiagnosticFile(
 */
 function writeDiagnostic(
  action: ActionState<["Logger"]>,
-  config: Config,
+  config: ActionConfig<"dbLocation">,
  language: Language,
  diagnostic: DiagnosticMessage,
 ) {
@@ -348,7 +351,7 @@ export function logTemporaryDiagnostics(action: ActionState<["Logger"]>) {
 /** Relocates all temporary diagnostics to the respective databases. */
 export function flushDiagnostics(
  action: ActionState<["Logger"]>,
-  config: Config,
+  config: ActionConfig<"dbLocation" | "languages">,
 ) {
  const diagnosticsCount = temporaryDiagnostics.length;
  action.logger.debug(
--- a/src/doc-url.ts
+++ b/src/doc-url.ts
@@ -12,4 +12,6 @@ export enum DocUrl {
  SPECIFY_BUILD_STEPS_MANUALLY = "https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages#about-specifying-build-steps-manually",
  SYSTEM_REQUIREMENTS = "https://codeql.github.com/docs/codeql-overview/system-requirements/",
  TRACK_CODE_SCANNING_ALERTS_ACROSS_RUNS = "https://docs.github.com/en/code-security/reference/code-scanning/sarif-support-for-code-scanning#data-for-preventing-duplicated-alerts",
+  /** Blog post about traced analysis being unsupported on macOS 27 and with Xcode 27. */
+  UNSUPPORTED_TRACED_ANALYSIS_MACOS27 = "https://github.blog/changelog/2026-10-19-codeql-changes-for-macos-27-xcode-27-and-swift-6-4/",
 }
--- a/src/environment.ts
+++ b/src/environment.ts
@@ -293,8 +293,8 @@ export function getOptionalEnvVar(paramName: string): string | undefined {
 * in tests, while clearly signalling in regular code that the consumer of the `ReadOnlyEnv` instance
 * will only read from it.
 */
-export class ReadOnlyEnv<T extends string | undefined = string | undefined> {
-  constructor(protected readonly vars: Record<string, T>) {}
+export class ReadOnlyEnv {
+  constructor(protected readonly vars: Record<string, string | undefined>) {}

  /** Clones the object while detaching the underlying environment from the original. */
  public clone(): this {
@@ -302,10 +302,24 @@ export class ReadOnlyEnv<T extends string | undefined = string | undefined> {
  }

  /** Gets a copy of the underlying environment. */
-  public get(): Record<string, T> {
+  public get(): Record<string, string | undefined> {
    return { ...this.vars };
  }

+  /** Gets a copy of the underlying environment, where the values are not `undefined`. */
+  public getDefined(): Record<string, string> {
+    const result: Record<string, string> = {};
+
+    for (const [key, val] of Object.entries(this.vars)) {
+      if (val === undefined) {
+        continue;
+      }
+      result[key] = val;
+    }
+
+    return result;
+  }
+
  /** Tries to get the value for `name` and throws if there isn't one. */
  public getRequired(name: string): string {
    return getRequiredEnvVar(this.vars, name);
@@ -317,7 +331,7 @@ export class ReadOnlyEnv<T extends string | undefined = string | undefined> {
  }

  /** Gets the entries of the underlying `ProcessEnv`. */
-  public entries(): Array<[string, T]> {
+  public entries(): Array<[string, string | undefined]> {
    return Object.entries(this.vars);
  }

@@ -347,19 +361,17 @@ export class ReadOnlyEnv<T extends string | undefined = string | undefined> {
 * Use `ReadOnlyEnv` instead if you only plan to read from the environment.
 * This type allows writing to the environment.
 */
-export class Env<
-  T extends string | undefined = string | undefined,
-> extends ReadOnlyEnv<T> {
+export class Env extends ReadOnlyEnv {
  private changed: boolean = false;

  /** Sets an environment variable. */
-  public set(name: string, value: T): void {
+  public set(name: string, value: string | undefined): void {
    this.vars[name] = value;
    this.changed = true;
  }

  /** Sets all environment variables given by `vars`. */
-  public setAll(vars: Record<string, T>): void {
+  public setAll(vars: Record<string, string | undefined>): void {
    for (const [key, val] of Object.entries(vars)) {
      this.set(key, val);
    }
@@ -373,7 +385,7 @@ export class Env<
   * @param name The name of the environment variable to set and export.
   * @param val The value to set and export for the environment variable.
   */
-  public export(name: string, val: T): void {
+  public export(name: string, val: string): void {
    // Setting the environment variable for this instance is always OK, including
    // in tests, since we use fresh `Env` instances whenever needed. This allows
    // tests to pass that rely on that part of the `core.exportVariable` behaviour.
--- a/src/feature-flags.ts
+++ b/src/feature-flags.ts
@@ -74,6 +74,11 @@ export enum Feature {
  AllowMergeConfigFiles = "allow_merge_config_files",
  /** Controls whether we allow multiple values for the `analysis-kinds` input. */
  AllowMultipleAnalysisKinds = "allow_multiple_analysis_kinds",
+  /**
+   * Whether to check for unsupported traced analysis. Primarily intended as an override to disable
+   * the check if it causes problems somehow.
+   */
+  CheckUnsupportedTracedAnalysis = "check_unsupported_traced_analysis",
  /** Whether to allow the `config-file` input to be specified via a repository property. */
  ConfigFileRepositoryProperty = "config_file_repository_property",
  CppDependencyInstallation = "cpp_dependency_installation_enabled",
@@ -144,6 +149,8 @@ export enum Feature {
  /** Controls whether overlay build failures on the default branch are stored in the Actions cache. */
  OverlayAnalysisStatusSave = "overlay_analysis_status_save",
  QaTelemetryEnabled = "qa_telemetry_enabled",
+  /** Whether we should fail early if we detect that traced analysis is unsupported. */
+  AbortUnsupportedTracedAnalysis = "abort_unsupported_traced_analysis",
  /** Routes (some) API requests through the registry proxy. */
  ProxyApiRequests = "proxy_api_requests",
  /** Note that this currently only disables baseline file coverage information. */
@@ -195,6 +202,11 @@ export const featureConfig = {
    envVar: "CODEQL_ACTION_ALLOW_MULTIPLE_ANALYSIS_KINDS",
    minimumVersion: undefined,
  },
+  [Feature.CheckUnsupportedTracedAnalysis]: {
+    defaultValue: false,
+    envVar: "CODEQL_ACTION_CHECK_UNSUPPORTED_TRACED_ANALYSIS",
+    minimumVersion: undefined,
+  },
  [Feature.ConfigFileRepositoryProperty]: {
    defaultValue: false,
    envVar: "CODEQL_ACTION_CONFIG_FILE_REPOSITORY_PROPERTY",
@@ -410,6 +422,11 @@ export const featureConfig = {
    envVar: "CODEQL_ACTION_START_PROXY_USE_FEATURES_RELEASE",
    minimumVersion: undefined,
  },
+  [Feature.AbortUnsupportedTracedAnalysis]: {
+    defaultValue: false,
+    envVar: "CODEQL_ACTION_ABORT_UNSUPPORTED_TRACED_ANALYSIS",
+    minimumVersion: undefined,
+  },
  [Feature.ToolsRepositoryProperty]: {
    defaultValue: false,
    envVar: "CODEQL_ACTION_TOOLS_REPOSITORY_PROPERTY",
--- a/src/init-action.ts
+++ b/src/init-action.ts
@@ -62,6 +62,7 @@ import {
  runDatabaseInitCluster,
 } from "./init";
 import { JavaEnvVars, BuiltInLanguage } from "./languages";
+import { checkRunnerSupportsTracedAnalysis } from "./languages/traced";
 import { Logger, withGroupAsync } from "./logging";
 import {
  downloadOverlayBaseDatabaseFromCache,
@@ -418,14 +419,11 @@ async function run(
      logger,
    });

-    if (
-      config.languages.includes(BuiltInLanguage.swift) &&
-      process.platform !== "darwin"
-    ) {
-      throw new ConfigurationError(
-        `Swift analysis is only supported on macOS runner images. Please migrate to a macOS runner.`,
-      );
-    }
+    await checkRunnerSupportsTracedAnalysis(
+      actionStateWithFeatures,
+      config,
+      codeql,
+    );

    if (repositoryPropertiesResult.isFailure()) {
      addNoLanguageDiagnostic(
--- a/src/languages/swift.test.ts
+++ b/src/languages/swift.test.ts
@@ -0,0 +1,89 @@
+import test from "ava";
+import sinon from "sinon";
+
+import { ActionsEnvVars } from "../environment";
+import {
+  createTestConfig,
+  getCodeQLForTesting,
+  getTestEnv,
+  makeVersionInfo,
+  RecordingLogger,
+  setupTests,
+} from "../testing-utils";
+import { ToolsFeature } from "../tools-features";
+import { withTmpDir } from "../util";
+
+import { checkSwiftCompatibility } from "./swift";
+
+import { BuiltInLanguage } from ".";
+
+setupTests(test);
+
+test("checkSwiftCompatibility doesn't throw for non-Swift languages", async (t) => {
+  for (const language of Object.values(BuiltInLanguage)) {
+    if (language === BuiltInLanguage.swift) {
+      continue;
+    }
+
+    const codeql = await getCodeQLForTesting();
+    await t.notThrowsAsync(
+      checkSwiftCompatibility(
+        createTestConfig({ languages: [language] }),
+        codeql,
+        // A value of `undefined` should make `checkSwiftCompatibility` throw for Swift by default
+        // since it means we are on a platform other than macOS
+        undefined,
+      ),
+    );
+  }
+});
+
+test("checkSwiftCompatibility doesn't throw for Swift if CLI supports swiftSupportsAllPlatforms", async (t) =>
+  withTmpDir(async (tmpDir) => {
+    const logger = new RecordingLogger();
+    const env = getTestEnv();
+    env.set(ActionsEnvVars.RUNNER_TEMP, tmpDir);
+
+    const codeql = await getCodeQLForTesting("codeql-for-testing", logger, env);
+    const supportsFeature = sinon
+      .stub(codeql, "supportsFeature")
+      .withArgs(ToolsFeature.SwiftSupportsAllPlatforms)
+      .resolves(true);
+
+    await t.notThrowsAsync(
+      checkSwiftCompatibility(
+        createTestConfig({ languages: [BuiltInLanguage.swift] }),
+        codeql,
+        // A value of `undefined` should make `checkSwiftCompatibility` throw for Swift by default
+        // since it means we are on a platform other than macOS
+        undefined,
+      ),
+    );
+
+    t.is(supportsFeature.callCount, 1);
+    t.deepEqual(supportsFeature.args[0], [
+      ToolsFeature.SwiftSupportsAllPlatforms,
+    ]);
+  }));
+
+test("checkSwiftCompatibility doesn't throw for Swift on darwin", async (t) =>
+  withTmpDir(async (tmpDir) => {
+    const logger = new RecordingLogger();
+    const env = getTestEnv();
+    env.set(ActionsEnvVars.RUNNER_TEMP, tmpDir);
+
+    const codeql = await getCodeQLForTesting("codeql-for-testing", logger, env);
+    sinon.stub(codeql, "getVersion").resolves(makeVersionInfo("2.27.0"));
+
+    await t.notThrowsAsync(
+      checkSwiftCompatibility(
+        createTestConfig({
+          tempDir: tmpDir,
+          languages: [BuiltInLanguage.swift],
+        }),
+        codeql,
+        // A value other than `undefined` means we are on macOS.
+        "some-macos-version",
+      ),
+    );
+  }));
--- a/src/languages/swift.ts
+++ b/src/languages/swift.ts
@@ -0,0 +1,42 @@
+import type { SemVer } from "semver";
+
+import { CodeQL } from "../codeql";
+import type { ActionConfig } from "../config/action-config";
+import { ToolsFeature } from "../tools-features";
+import { ConfigurationError } from "../util";
+
+import { BuiltInLanguage } from ".";
+
+/**
+ * Determines whether we can run a Swift analysis on the current runner.
+ *
+ * @param config The Action configuration.
+ * @param codeql The {@link CodeQL} CLI instance.
+ * @param darwinVersion The version of the Darwin kernel on macOS, if any.
+ *
+ * @throws {ConfigurationError} If Swift analysis is not possible on the current runner.
+ */
+export async function checkSwiftCompatibility(
+  config: ActionConfig<"languages">,
+  codeql: CodeQL,
+  darwinVersion: SemVer | string | undefined,
+) {
+  // The checks are not relevant if we are not trying to analyse Swift.
+  if (!config.languages.includes(BuiltInLanguage.swift)) {
+    return;
+  }
+
+  // Skip the checks if the `swiftSupportsAllPlatforms` feature is supported by the CLI.
+  // This is a forward-looking measure that allows a future CLI update to disable these
+  // platform checks in the Action when they shouldn't be enforced anymore.
+  if (await codeql.supportsFeature(ToolsFeature.SwiftSupportsAllPlatforms)) {
+    return;
+  }
+
+  // If `darwinVersion` is undefined, then we are not on macOS and Swift analysis is unsupported.
+  if (darwinVersion === undefined) {
+    throw new ConfigurationError(
+      `Swift analysis is only supported on macOS runner images. Please migrate to a macOS runner.`,
+    );
+  }
+}
--- a/Show More
+++ b/Show More