Explain when to use getAuthorizationHeaderFor

.github/actions/prepare-test/action.yml

@@ -6,11 +6,11 @@ inputs:
     required: true
   use-all-platform-bundle:
     description: "If true, we output a tools URL with codeql-bundle.tar.gz file rather than platform-specific URL"
-    default: "false"
+    default: 'false'
     required: false
   setup-kotlin:
     description: "If true, we setup kotlin"
-    default: "true"
+    default: 'true'
     required: true
 outputs:
   tools-url:
@@ -73,10 +73,7 @@ runs:
           exit 1
         fi
 
-    - uses: fwilhe2/setup-kotlin@b325539ca8f6e1d9ee04efed06f49bdbf5426dbb # v2.1
+    - uses: fwilhe2/setup-kotlin@9c245a6425255f5e98ba1ce6c15d31fce7eca9da
       if: ${{ inputs.setup-kotlin == 'true' }}
       with:
-        # Kotlin is installed on the runners by default, but the version that is pre-installed is too new
-        # to be supported by CodeQL. This Kotlin version is selected to be compatible with both the default Java
-        # version on the `ubuntu-latest` runners and CodeQL.
-        version: 2.1.20
+        version: 1.8.21

.github/actions/release-initialise/action.yml

@@ -16,7 +16,7 @@ runs:
       shell: bash
 
     - name: Set up Node
-      uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: 24
         cache: 'npm'

.github/copilot-instructions.md

@@ -11,12 +11,9 @@ The CodeQL Action is used in GitHub Actions workflows to run CodeQL scans using
 
 ## Review instructions
 
-- Prioritise identifying critical issues, such as logic bugs, over comments on documentation or typos.
-- When wording review comments, be helpful and friendly. Assume that the PR author has written the code with the best of intentions. Never word suggestions as commands or using the imperative. Examples of what you should never write: "Preserve that non-fatal behaviour here" or "Please preserve that non-fatal behaviour here".
-- When writing feedback, assume that the PR author is competent and is able to understand whether the point you are making is valid or not, why you are raising it, and how to best address it. While you can suggest how to address a point you are making, don't phrase it as a requirement or assume that it is the only solution.
-- Always word your comments constructively as suggestions for improvements, for example: "It would make sense to ..." or "Could you add ...?" or "Would it make sense to ...?"
+- When wording review comments, be helpful and friendly. Assume that the PR author has written the code with the best of intentions. Word your comments constructively as suggestions for improvements. Do not word suggestions as commands.
 - If you want to comment on a change that you believe will fail a CI check, do not present the CI failure you expect as a fact. Instead, write that you think a change "may" lead to a failure in CI. Suggest that, if such a failure manifests, the changes you are commenting on may be the place responsible for the failure and are worth looking at.
-- If a suggestion you make is suitable for a follow-up, such as a refactoring that doesn't change the behaviour or fixing a typo in a comment, mention that it can be addressed in a later PR rather than blocking this one or prefix your comment with "Minor: ".
+- If a suggestion you make is suitable for a follow-up, such as a refactoring that doesn't change the behaviour or fixing a typo in a comment, mention that it can be addressed in a later PR rather than blocking this one.
 - If a change is a net improvement, for example because it improves on an existing limitation of existing code, do not complain about pre-existing problems that remain. You may comment on them, but you should make it clear that the thing you are commenting on is not new by writing e.g. "Not new in this PR, but [..]" followed by your description of the issue and a suggestion that it could be improved at the same time with e.g. "Consider whether this is worth addressing as part of this PR as well."
 
 ## Generated code
@@ -25,16 +22,6 @@ The main codebase of the CodeQL Action is written in TypeScript and compiled to
 
 GitHub Actions workflows in the `.github/workflows` directory whose filenames start with two underscores (e.g. `__all-platform-bundle.yml`) are automatically generated using the `pr-checks/sync.sh` script from template files in the `pr-checks/checks` directory. Therefore, you do not need to review files in the `.github/workflows` directory that start with two underscores. However, you should review changes to the `pr-checks` directory as well as workflows in the `.github/workflows` directory that do not start with underscores.
 
-## Feature flags
-
-Some functionality in the code may be gated behind feature flags, which are controlled server-side. If the functionality that is gated behind them is user-facing, then this should be documented in a change note at the time that the gated functionality is added. See `CHANGELOG.md` for existing notes that mention "experimental" for examples. These typically include information about when users may expect to see the feature rolled out.
-
-When a feature flag that gates some functionality is removed, this does not need to be documented in a change note since the feature is already rolled out and the notes for the release which introduced the feature already describe it. The only exception is functionality which will start having an effect on GHES as a result of the feature flag removal:
-
-- Most functionality gated behind feature flags does not affect GHES.
-- We can make functionality available on GHES by setting `defaultValue` to `true` first and waiting for this to have had an effect on GHES. No change note is needed if a feature flag is removed where `defaultValue` was `true`.
-- When removing a feature flag where `defaultValue` was `false` and the functionality starts to affect GHES, a change note may be appropriate.
-
 ## Release process
 
 Changes that are merged to the `main` branch are not used in production straight away. Instead, changes from `main` must first be released using the release process, which has to be manually triggered by a staff member. Therefore, it is possible for further changes to be made to the code after some changes have been merged to `main` but before they are released. Once the release process automation is started, a series of PRs are automatically generated:

.github/dependabot.yml

@@ -16,14 +16,6 @@ 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:
@@ -34,7 +26,7 @@ updates:
   - package-ecosystem: github-actions
     directories:
       - "/.github/workflows"
-      - "/.github/actions/*/"
+      - "/.github/actions"
     schedule:
       interval: weekly
     cooldown:

.github/workflows/__all-platform-bundle.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
-          - os: macos-26-xlarge
+          - os: macos-latest-xlarge
             version: nightly-latest
-          - os: windows-2025
+          - os: windows-latest
             version: nightly-latest
     name: All-platform bundle
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__analysis-kinds.yml

@@ -34,28 +34,28 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
             analysis-kinds: code-scanning
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
             analysis-kinds: code-quality
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
             analysis-kinds: code-scanning,code-quality
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
             analysis-kinds: risk-assessment
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
             analysis-kinds: code-scanning
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
             analysis-kinds: code-quality
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
             analysis-kinds: code-scanning,code-quality
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
             analysis-kinds: risk-assessment
     name: Analysis kinds

.github/workflows/__analyze-ref-input.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
     name: "Analyze: 'ref' and 'sha' from inputs"
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__autobuild-action.yml

@@ -44,11 +44,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: macos-26
+          - os: macos-latest
             version: linked
-          - os: windows-2025
+          - os: windows-latest
             version: linked
     name: autobuild-action
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__autobuild-direct-tracing-with-working-dir.yml

@@ -44,13 +44,13 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: windows-2025
+          - os: windows-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
-          - os: windows-2025
+          - os: windows-latest
             version: nightly-latest
     name: Autobuild direct tracing (custom working directory)
     if: github.triggering_actor != 'dependabot[bot]'
@@ -63,7 +63,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Install Java
-        uses: actions/setup-java@b843ebf9b913146b38da2eaa7aeddf76074ae1ad # v6.1.0
+        uses: actions/setup-java@de7274f081f381c8f8158605e0321c36c376e2e6 # v6.0.1
         with:
           java-version: ${{ inputs.java-version || '17' }}
           distribution: temurin

.github/workflows/__autobuild-working-dir.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
     name: Autobuild working directory
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__build-mode-autobuild.yml

@@ -44,13 +44,13 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: windows-2025
+          - os: windows-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
-          - os: windows-2025
+          - os: windows-latest
             version: nightly-latest
     name: Build mode autobuild
     if: github.triggering_actor != 'dependabot[bot]'
@@ -63,7 +63,7 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Install Java
-        uses: actions/setup-java@b843ebf9b913146b38da2eaa7aeddf76074ae1ad # v6.1.0
+        uses: actions/setup-java@de7274f081f381c8f8158605e0321c36c376e2e6 # v6.0.1
         with:
           java-version: ${{ inputs.java-version || '17' }}
           distribution: temurin

.github/workflows/__build-mode-manual.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Build mode manual
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__build-mode-none.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Build mode none
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__build-mode-rollback.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Build mode rollback
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__bundle-from-nightly.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
     name: 'Bundle: From nightly'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__bundle-from-toolcache.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: toolcache
     name: 'Bundle: From toolcache'
     if: github.triggering_actor != 'dependabot[bot]'
@@ -46,15 +46,6 @@ jobs:
     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
@@ -62,20 +53,31 @@ jobs:
           version: ${{ matrix.version }}
           use-all-platform-bundle: 'false'
           setup-kotlin: 'true'
+      - name: Install @actions/tool-cache
+        run: npm install @actions/tool-cache@3
       - name: Check toolcache contains CodeQL
         continue-on-error: true
-        run: |
-          cd ./../action
-          npx tsx ./pr-checks/toolcache.ts installed
-
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        with:
+          script: |
+            const toolcache = require('@actions/tool-cache');
+            const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
+            if (allCodeqlVersions.length === 0) {
+              throw new Error(`CodeQL could not be found in the toolcache`);
+            }
       - id: setup-codeql
         uses: ./../action/setup-codeql
         with:
           tools: ${{ steps.prepare-test.outputs.tools-url }}
-
       - name: Check CodeQL is installed within the toolcache
-        run: |
-          cd ./../action
-          npx tsx ./pr-checks/toolcache.ts installed
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        with:
+          script: |
+            const toolcache = require('@actions/tool-cache');
+            const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
+            console.log(`Found CodeQL versions: ${allCodeqlVersions}`);
+            if (allCodeqlVersions.length === 0) {
+              throw new Error('CodeQL not found in toolcache');
+            }
     env:
       CODEQL_ACTION_TEST_MODE: true

.github/workflows/__bundle-toolcache.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: macos-26
+          - os: macos-latest
             version: linked
-          - os: windows-2025
+          - os: windows-latest
             version: linked
     name: 'Bundle: Caching checks'
     if: github.triggering_actor != 'dependabot[bot]'
@@ -50,15 +50,6 @@ jobs:
     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
@@ -67,30 +58,47 @@ jobs:
           use-all-platform-bundle: 'false'
           setup-kotlin: 'true'
       - name: Remove CodeQL from toolcache
-        run: |
-          cd ./../action
-          npx tsx ./pr-checks/toolcache.ts clear
-
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        with:
+          script: |
+            const fs = require('fs');
+            const path = require('path');
+            const codeqlPath = path.join(process.env['RUNNER_TOOL_CACHE'], 'CodeQL');
+            fs.rmdirSync(codeqlPath, { recursive: true });
+      - name: Install @actions/tool-cache
+        run: npm install @actions/tool-cache@3
       - name: Check toolcache does not contain CodeQL
-        run: |
-          cd ./../action
-          npx tsx ./pr-checks/toolcache.ts absent
-
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        with:
+          script: |
+            const toolcache = require('@actions/tool-cache');
+            const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
+            if (allCodeqlVersions.length !== 0) {
+              throw new Error(`CodeQL should not be found in the toolcache, but found ${allCodeqlVersions}`);
+            }
+            console.log('No versions of CodeQL found in the toolcache');
       - id: init
         uses: ./../action/init
         with:
           # Request multiple languages so this check uses the combined bundle.
           languages: javascript,python
           tools: ${{ steps.prepare-test.outputs.tools-url }}
-
       - uses: ./../action/analyze
         with:
           output: ${{ runner.temp }}/results
           upload-database: false
-
       - name: Check CodeQL is installed within the toolcache
-        run: |
-          cd ./../action
-          npx tsx ./pr-checks/toolcache.ts installed -n 1
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        with:
+          script: |
+            const toolcache = require('@actions/tool-cache');
+            const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
+            console.log(`Found CodeQL versions: ${allCodeqlVersions}`);
+            if (allCodeqlVersions.length === 0) {
+              throw new Error('CodeQL not found in toolcache');
+            }
+            if (allCodeqlVersions.length > 1) {
+              throw new Error('Multiple CodeQL versions found in toolcache');
+            }
     env:
       CODEQL_ACTION_TEST_MODE: true

.github/workflows/__cleanup-db-cluster-dir.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
     name: Clean up database cluster directory
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__config-export.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Config export
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__config-input.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
     name: Config input
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__cpp-deptrace-disabled.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: 'C/C++: disabling autoinstalling dependencies (Linux)'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__cpp-deptrace-enabled-on-macos.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: macos-26
+          - os: macos-latest
             version: linked
-          - os: macos-26
+          - os: macos-latest
             version: nightly-latest
     name: 'C/C++: autoinstalling dependencies is skipped (macOS)'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__cpp-deptrace-enabled.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: 'C/C++: autoinstalling dependencies (Linux)'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__diagnostics-export.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Diagnostic export
     if: github.triggering_actor != 'dependabot[bot]'
@@ -48,15 +48,6 @@ jobs:
     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
@@ -90,13 +81,56 @@ jobs:
           name: diagnostics-export-${{ matrix.os }}-${{ matrix.version }}.sarif.json
           path: '${{ runner.temp }}/results/javascript.sarif'
           retention-days: 7
-
       - name: Check diagnostics appear in SARIF
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         env:
           SARIF_PATH: '${{ runner.temp }}/results/javascript.sarif'
-        run: |
-          cd ../action
-          npx tsx ./pr-checks/check-diagnostics.ts
+        with:
+          script: |
+            const fs = require('fs');
+
+            function checkStatusPageNotification(n) {
+              const expectedMessage = 'Plaintext message';
+              if (n.message.text !== expectedMessage) {
+                core.setFailed(`Expected the status page diagnostic to have the message '${expectedMessage}', but found '${n.message.text}'.`);
+              }
+              if (n.locations.length !== 1) {
+                core.setFailed(`Expected the status page diagnostic to have exactly 1 location, but found ${n.locations.length}.`);
+              }
+            }
+
+            const sarif = JSON.parse(fs.readFileSync(process.env['SARIF_PATH'], 'utf8'));
+            const run = sarif.runs[0];
+
+            const toolExecutionNotifications = run.invocations[0].toolExecutionNotifications;
+            const statusPageNotifications = toolExecutionNotifications.filter(n =>
+              n.descriptor.id === 'lang/diagnostics/example' && n.properties?.visibility?.statusPage
+            );
+            if (statusPageNotifications.length !== 1) {
+              core.setFailed(
+                'Expected exactly one status page reporting descriptor for this diagnostic in the ' +
+                  `'runs[].invocations[].toolExecutionNotifications[]' SARIF property, but found ` +
+                  `${statusPageNotifications.length}. All notification reporting descriptors: ` +
+                  `${JSON.stringify(toolExecutionNotifications)}.`
+              );
+            }
+            checkStatusPageNotification(statusPageNotifications[0]);
+
+            const notifications = run.tool.driver.notifications;
+            const diagnosticNotification = notifications.filter(n =>
+              n.id === 'lang/diagnostics/example' && n.name === 'lang/diagnostics/example' &&
+                n.fullDescription.text === 'Diagnostic name'
+            );
+            if (diagnosticNotification.length !== 1) {
+              core.setFailed(
+                'Expected exactly one notification for this diagnostic in the ' +
+                  `'runs[].tool.driver.notifications[]' SARIF property, but found ` +
+                  `${diagnosticNotification.length}. All notifications: ` +
+                  `${JSON.stringify(notifications)}.`
+              );
+            }
+
+            core.info('Finished diagnostic export test');
     env:
       CODEQL_ACTION_EXPORT_DIAGNOSTICS: true
       CODEQL_ACTION_TEST_MODE: true

.github/workflows/__diagnostics-without-db.yml

@@ -1,143 +0,0 @@
-# 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 - Diagnostic export without database
-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: ${{ github.event_name == 'pull_request' || false }}
-  group: diagnostics-without-db-${{github.ref}}
-jobs:
-  diagnostics-without-db:
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - os: ubuntu-26.04
-            version: linked
-    name: Diagnostic export without database
-    if: github.triggering_actor != 'dependabot[bot]'
-    permissions:
-      contents: read
-      security-events: read
-    timeout-minutes: 45
-    runs-on: ${{ matrix.os }}
-    steps:
-      # We deliberately need to make this step fail before the database is initialised, but after
-      # some diagnostic has been produced. The simplest way to do that right now is to:
-      #
-      # - Produce a diagnostic before the db is initialised by forcing the use of a nightly release
-      #   with the `CODEQL_ACTION_FORCE_NIGHTLY` feature flag.
-      # - Cause `init` to abort because we are attempting to analyse Swift on a non-macOS runner.
-      #
-      - 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: Initialise failing analysis
-        id: init
-        uses: ./../action/init
-        continue-on-error: true
-        env:
-          CODEQL_ACTION_FORCE_NIGHTLY: true
-        with:
-          languages: swift
-          tools: ${{ steps.prepare-test.outputs.tools-url }}
-
-      - name: Analyze
-        uses: ./analyze
-        # In a real workflow, this step wouldn't run. Since we used `continue-on-error`
-        # above, we manually disable it with an `if` condition. Having this step is required
-        # for the init post-action because it checks the workflow definition for e.g. the
-        # `category` input. Without this step, that part of the init post-action would fail.
-        if: false
-        with:
-          category: '/test-codeql-version:${{ matrix.version }}'
-
-      - name: Check diagnostics appear on disk
-        env:
-          DIAGNOSTICS_DIR: '${{ runner.temp }}/codeql-action-temp-diagnostics/'
-        run: |
-          cd ../action
-          npx tsx ./pr-checks/diagnostics-without-db.ts
-    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
-  diagnostics-without-db-validation:
-    if: github.triggering_actor != 'dependabot[bot]'
-    needs:
-      - diagnostics-without-db
-    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@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
-        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/codeql-failed-run.sarif"
-          DIAGNOSTIC_ID: "codeql-action/forced-nightly-cli"
-          DIAGNOSTIC_NAME: "A nightly release of CodeQL was used"
-          EXPECTED_LOCATIONS: "0"
-          EXPECTED_MESSAGE: |
-            GitHub configured this analysis to use a nightly release of CodeQL to allow you to preview changes from an upcoming release.
-        run: npx tsx ./pr-checks/check-diagnostics.ts
-    env:
-      CODEQL_ACTION_TEST_MODE: true

.github/workflows/__export-file-baseline-information.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
-          - os: macos-26
+          - os: macos-latest
             version: nightly-latest
-          - os: windows-2025
+          - os: windows-latest
             version: nightly-latest
     name: Export file baseline information
     if: github.triggering_actor != 'dependabot[bot]'
@@ -91,11 +91,6 @@ jobs:
         with:
           languages: javascript
           tools: ${{ steps.prepare-test.outputs.tools-url }}
-          # To balance speed and coverage, analyze only JavaScript but use the combined bundle so
-          # baseline information is reported for every language in the multi-language repository. A
-          # custom configuration prevents per-language bundles from being used.
-          config: |
-            paths-ignore: []
       - name: Build code
         run: ./build.sh
       - uses: ./../action/analyze
@@ -129,4 +124,5 @@ jobs:
     env:
       CODEQL_ACTION_SKIP_FILE_COVERAGE_ON_PRS: false
       CODEQL_ACTION_SUBLANGUAGE_FILE_COVERAGE: true
+      CODEQL_ACTION_PER_LANGUAGE_BUNDLES: false
       CODEQL_ACTION_TEST_MODE: true

.github/workflows/__extractor-ram-threads.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
     name: Extractor ram and threads options test
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__global-proxy.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Proxy test
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-custom-queries.yml

@@ -54,9 +54,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: 'Go: Custom queries'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-indirect-tracing-workaround-diagnostic.yml

@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
     name: 'Go: diagnostic when Go is changed after init step'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-indirect-tracing-workaround-no-file-program.yml

@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
     name: 'Go: diagnostic when `file` is not installed'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-indirect-tracing-workaround.yml

@@ -44,7 +44,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
     name: 'Go: workaround for indirect tracing'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-tracing-autobuilder.yml

@@ -44,27 +44,27 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             version: stable-v2.20.7
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.21.4
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.22.4
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.23.9
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.24.3
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.25.6
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: macos-26
+          - os: macos-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
-          - os: macos-26
+          - os: macos-latest
             version: nightly-latest
     name: 'Go: tracing with autobuilder step'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-tracing-custom-build-steps.yml

@@ -44,27 +44,27 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             version: stable-v2.20.7
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.21.4
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.22.4
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.23.9
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.24.3
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.25.6
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: macos-26
+          - os: macos-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
-          - os: macos-26
+          - os: macos-latest
             version: nightly-latest
     name: 'Go: tracing with custom build steps'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__go-tracing-legacy-workflow.yml

@@ -44,27 +44,27 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             version: stable-v2.20.7
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.21.4
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.22.4
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.23.9
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.24.3
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.25.6
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: macos-26
+          - os: macos-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
-          - os: macos-26
+          - os: macos-latest
             version: nightly-latest
     name: 'Go: tracing with legacy workflow'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__init-with-registries.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: 'Packaging: Download using registries'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__javascript-source-root.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Custom source root
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__job-run-uuid-sarif.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Job run UUID added to SARIF
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__language-aliases.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
     name: Language aliases
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__local-bundle.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
     name: Local CodeQL bundle
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__multi-language-autodetect.yml

@@ -54,41 +54,41 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             version: stable-v2.20.7
           - os: macos-15-xlarge
             version: stable-v2.20.7
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.21.4
           - os: macos-15-xlarge
             version: stable-v2.21.4
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.22.4
           - os: macos-15-xlarge
             version: stable-v2.22.4
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.23.9
-          - os: macos-26-xlarge
+          - os: macos-latest-xlarge
             version: stable-v2.23.9
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.24.3
-          - os: macos-26-xlarge
+          - os: macos-latest-xlarge
             version: stable-v2.24.3
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.25.6
-          - os: macos-26-xlarge
+          - os: macos-latest-xlarge
             version: stable-v2.25.6
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: macos-26-xlarge
+          - os: macos-latest-xlarge
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: macos-26-xlarge
+          - os: macos-latest-xlarge
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
-          - os: macos-26-xlarge
+          - os: macos-latest-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@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
           python-version: '3.13.15'
 
@@ -192,5 +192,6 @@ jobs:
             exit 1
           fi
     env:
+      CODEQL_ACTION_CLEANUP_TOOLCACHE_BUNDLES: true
       CODEQL_ACTION_RESOLVE_SUPPORTED_LANGUAGES_USING_CLI: true
       CODEQL_ACTION_TEST_MODE: true

.github/workflows/__overlay-init-fallback.yml

@@ -34,9 +34,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Overlay database init fallback
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__packaging-codescanning-config-inputs-js.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: 'Packaging: Config and input passed to the CLI'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__packaging-config-inputs-js.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: 'Packaging: Config and input'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__packaging-config-js.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: 'Packaging: Config file'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__packaging-inputs-js.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: 'Packaging: Action input'
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__per-language-bundle-validation.yml

@@ -35,41 +35,41 @@ jobs:
       matrix:
         include:
           - language: actions
-            os: ubuntu-26.04
-            version: linked
+            os: ubuntu-latest
+            version: nightly-latest
             expected-extractors: actions javascript
           - language: cpp
-            os: ubuntu-26.04
-            version: linked
+            os: ubuntu-latest
+            version: nightly-latest
             build-mode: manual
             build-command: gcc -o main main.c
           - language: csharp
-            os: ubuntu-26.04
-            version: linked
+            os: ubuntu-latest
+            version: nightly-latest
             build-mode: none
           - language: go
-            os: ubuntu-26.04
-            version: linked
+            os: ubuntu-latest
+            version: nightly-latest
             build-mode: autobuild
           - language: java
-            os: ubuntu-26.04
-            version: linked
+            os: ubuntu-latest
+            version: nightly-latest
             build-mode: none
           - language: javascript
-            os: ubuntu-26.04
-            version: linked
+            os: ubuntu-latest
+            version: nightly-latest
           - language: python
-            os: ubuntu-26.04
-            version: linked
+            os: ubuntu-latest
+            version: nightly-latest
           - language: ruby
-            os: ubuntu-26.04
-            version: linked
+            os: ubuntu-latest
+            version: nightly-latest
           - language: rust
-            os: ubuntu-26.04
-            version: linked
+            os: ubuntu-latest
+            version: nightly-latest
           - language: swift
-            os: macos-26-xlarge
-            version: linked
+            os: macos-latest-xlarge
+            version: nightly-latest
             build-mode: autobuild
     name: Per-language bundles
     if: github.triggering_actor != 'dependabot[bot]'
@@ -81,15 +81,6 @@ jobs:
     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
@@ -97,10 +88,6 @@ jobs:
           version: ${{ matrix.version }}
           use-all-platform-bundle: 'false'
           setup-kotlin: 'true'
-      - name: Remove CodeQL from toolcache
-        run: |
-          cd ./../action
-          npx tsx ./pr-checks/toolcache.ts clear
       - uses: ./../action/init
         id: init
         with:
@@ -141,8 +128,9 @@ jobs:
           CODEQL_PATH: ${{ steps.init.outputs.codeql-path }}
         run: |
           # A bundle that is missing most of its extractors must never be left in the toolcache,
-          # where a later job analyzing a different language could pick it up. Per-language bundles
-          # must instead be extracted under the runner's temporary directory.
+          # where a later job analyzing a different language could pick it up. The runner image
+          # ships with its own CodeQL in the toolcache, so check where this bundle was extracted to
+          # rather than whether the toolcache contains CodeQL at all.
           echo "CodeQL is at $CODEQL_PATH"
           if [[ "$CODEQL_PATH" == "$RUNNER_TOOL_CACHE"/* ]]; then
             echo "::error::The per-language bundle was added to the toolcache at $CODEQL_PATH."
@@ -172,4 +160,5 @@ jobs:
           fi
           echo "Created a ${LANGUAGE} database at ${database}."
     env:
+      CODEQL_ACTION_PER_LANGUAGE_BUNDLES: true
       CODEQL_ACTION_TEST_MODE: true

.github/workflows/__remote-config.yml

@@ -54,9 +54,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Remote config file
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__resolve-environment-action.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Resolve environment
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__rubocop-multi-language.yml

@@ -0,0 +1,74 @@
+# 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 - RuboCop multi-language
+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: ${{ github.event_name == 'pull_request' || false }}
+  group: rubocop-multi-language-${{github.ref}}
+jobs:
+  rubocop-multi-language:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-latest
+            version: default
+    name: RuboCop multi-language
+    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: Prepare test
+        id: prepare-test
+        uses: ./.github/actions/prepare-test
+        with:
+          version: ${{ matrix.version }}
+          use-all-platform-bundle: 'false'
+          setup-kotlin: 'true'
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
+        with:
+          ruby-version: 2.6
+      - name: Install Code Scanning integration
+        run: bundle add code-scanning-rubocop --version 0.3.0 --skip-install
+      - name: Install dependencies
+        run: bundle install
+      - name: RuboCop run
+        run: |
+          bash -c "
+            bundle exec rubocop --require code_scanning --format CodeScanning::SarifFormatter -o rubocop.sarif
+            [[ $? -ne 2 ]]
+          "
+      - uses: ./../action/upload-sarif
+        with:
+          sarif_file: rubocop.sarif
+    env:
+      CODEQL_ACTION_TEST_MODE: true

.github/workflows/__ruby.yml

@@ -34,17 +34,17 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: macos-26
+          - os: macos-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: macos-26
+          - os: macos-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
-          - os: macos-26
+          - os: macos-latest
             version: nightly-latest
     name: Ruby analysis
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__rust.yml

@@ -34,15 +34,15 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-24.04
+          - os: ubuntu-latest
             version: stable-v2.20.7
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: stable-v2.22.1
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Rust analysis
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__split-workflow.yml

@@ -54,17 +54,17 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: macos-26
+          - os: macos-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: macos-26
+          - os: macos-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
-          - os: macos-26
+          - os: macos-latest
             version: nightly-latest
     name: Split workflow
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__start-proxy.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: macos-26
+          - os: macos-latest
             version: linked
-          - os: windows-2025
+          - os: windows-latest
             version: linked
     name: Start proxy
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__submit-sarif-failure.yml

@@ -34,11 +34,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Submit SARIF after failure
     if: github.triggering_actor != 'dependabot[bot]'
@@ -71,9 +71,7 @@ jobs:
         run: exit 1
       - uses: ./analyze
         # In a real workflow, this step wouldn't run. Since we used `continue-on-error`
-        # above, we manually disable it with an `if` condition. Having this step is required
-        # for the init post-action because it checks the workflow definition for e.g. the
-        # `category` input. Without this step, that part of the init post-action would fail.
+        # above, we manually disable it with an `if` condition.
         if: false
         with:
           category: '/test-codeql-version:${{ matrix.version }}'

.github/workflows/__swift-autobuild.yml

@@ -34,7 +34,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: macos-26-xlarge
+          - os: macos-latest-xlarge
             version: nightly-latest
     name: Swift analysis using autobuild
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__swift-custom-build.yml

@@ -54,11 +54,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: macos-26-xlarge
+          - os: macos-latest-xlarge
             version: linked
-          - os: macos-26-xlarge
+          - os: macos-latest-xlarge
             version: default
-          - os: macos-26-xlarge
+          - os: macos-latest-xlarge
             version: nightly-latest
     name: Swift analysis using a custom build command
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__unset-environment.yml

@@ -54,9 +54,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: nightly-latest
     name: Test unsetting environment variables
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__unsupported-macos.yml

@@ -1,135 +0,0 @@
-# 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

.github/workflows/__upload-ref-sha-input.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
     name: "Upload-sarif: 'ref' and 'sha' from inputs"
     if: github.triggering_actor != 'dependabot[bot]'

.github/workflows/__upload-sarif.yml

@@ -54,13 +54,13 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
             analysis-kinds: code-scanning
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
             analysis-kinds: code-quality
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: default
             analysis-kinds: code-scanning,code-quality
     name: Test different uses of `upload-sarif`

.github/workflows/__with-checkout-path.yml

@@ -54,7 +54,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: ubuntu-26.04
+          - os: ubuntu-latest
             version: linked
     name: Use a custom `checkout_path`
     if: github.triggering_actor != 'dependabot[bot]'

.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-26.04
+    runs-on: ubuntu-latest
     outputs:
       versions: ${{ steps.compare.outputs.versions }}
 
@@ -106,7 +106,7 @@ jobs:
 
   analyze-other:
     if: github.triggering_actor != 'dependabot[bot]'
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-latest
 
     strategy:
       fail-fast: false

.github/workflows/codescanning-config-cli.yml

@@ -41,11 +41,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - os: ubuntu-26.04
+        - os: ubuntu-latest
           version: linked
-        - os: ubuntu-26.04
+        - os: ubuntu-latest
           version: default
-        - os: ubuntu-26.04
+        - os: ubuntu-latest
           version: nightly-latest
 
     # Code-Scanning config not created because environment variable is not set

.github/workflows/debug-artifacts-failure-safe.yml

@@ -6,13 +6,13 @@ env:
 on:
   push:
     branches:
-      - main
-      - releases/v*
+    - main
+    - releases/v*
   pull_request:
   merge_group:
     types: [checks_requested]
   schedule:
-    - cron: "0 5 * * *"
+    - cron: '0 5 * * *'
   workflow_dispatch:
 
 concurrency:
@@ -30,10 +30,10 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - stable-v2.20.7
-          - default
-          - linked
-          - nightly-latest
+        - stable-v2.20.7
+        - default
+        - linked
+        - nightly-latest
     name: Upload debug artifacts after failure in analyze
     continue-on-error: true
     env:
@@ -43,12 +43,7 @@ jobs:
       # We currently need `security-events: read` to access feature flags.
       security-events: read
     timeout-minutes: 45
-
-    # 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: ${{ case(matrix.version == 'stable-v2.20.7', 'ubuntu-24.04', 'ubuntu-26.04') }}
-
+    runs-on: ubuntu-latest
     steps:
       - name: Dump GitHub event
         run: cat "${GITHUB_EVENT_PATH}"
@@ -65,7 +60,7 @@ jobs:
       - name: Install .NET
         uses: actions/setup-dotnet@a98b56852c35b8e3190ac28c8c2271da59106c68 # v6.0.0
         with:
-          dotnet-version: "9.x"
+          dotnet-version: '9.x'
       - name: Assert best-effort artifact scan completed
         uses: ./../action/.github/actions/verify-debug-artifact-scan-completed
       - uses: ./../action/init
@@ -91,13 +86,12 @@ jobs:
     timeout-minutes: 45
     permissions:
       contents: read
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-latest
     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:"

.github/workflows/debug-artifacts-safe.yml

@@ -5,13 +5,13 @@ env:
 on:
   push:
     branches:
-      - main
-      - releases/v*
+    - main
+    - releases/v*
   pull_request:
   merge_group:
     types: [checks_requested]
   schedule:
-    - cron: "0 5 * * *"
+    - cron: '0 5 * * *'
   workflow_dispatch:
 
 concurrency:
@@ -29,10 +29,10 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - stable-v2.20.7
-          - default
-          - linked
-          - nightly-latest
+        - stable-v2.20.7
+        - default
+        - linked
+        - nightly-latest
     name: Upload debug artifacts
     env:
       CODEQL_ACTION_TEST_MODE: true
@@ -41,12 +41,7 @@ jobs:
       contents: read
       # We currently need `security-events: read` to access feature flags.
       security-events: read
-
-    # 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-26.04') }}
-
+    runs-on: ubuntu-latest
     steps:
       - name: Check out repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
@@ -61,7 +56,7 @@ jobs:
       - name: Install .NET
         uses: actions/setup-dotnet@a98b56852c35b8e3190ac28c8c2271da59106c68 # v6.0.0
         with:
-          dotnet-version: "9.x"
+          dotnet-version: '9.x'
       - name: Assert best-effort artifact scan completed
         uses: ./../action/.github/actions/verify-debug-artifact-scan-completed
       - uses: ./../action/init
@@ -84,7 +79,7 @@ jobs:
     timeout-minutes: 45
     permissions:
       contents: read
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-latest
     steps:
       - name: Download all artifacts
         uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2

.github/workflows/deflake.yml

@@ -60,6 +60,7 @@ on:
       - "PR Check - Proxy test"
       - "PR Check - Remote config file"
       - "PR Check - Resolve environment"
+      - "PR Check - RuboCop multi-language"
       - "PR Check - Ruby analysis"
       - "PR Check - Rust analysis"
       - "PR Check - Split workflow"

.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-26.04
+    runs-on: ubuntu-latest
     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
@@ -134,7 +134,7 @@ jobs:
           echo "::endgroup::"
 
       - name: Generate token
-        uses: actions/create-github-app-token@64ab729a6294000f5aa4a4bc0b73d1f32bc45510 # v3.3.0
+        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
         id: app-token
         with:
           app-id: ${{ vars.AUTOMATION_APP_ID }}

.github/workflows/pr-checks.yml

@@ -2,9 +2,6 @@ name: PR Checks
 
 on:
   push:
-    branches:
-      - "main"
-      - "releases/v*"
   pull_request:
   merge_group:
     types: [checks_requested]
@@ -25,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-26.04, macos-26, windows-2025]
+        os: [ubuntu-latest, macos-latest, windows-latest]
         node-version: [20, 24]
     permissions:
       contents: read
@@ -71,7 +68,7 @@ jobs:
         run: npm test
 
       - name: Lint
-        if: always() && matrix.os != 'windows-2025'
+        if: always() && matrix.os != 'windows-latest'
         run: npm run lint-ci
 
       - name: Upload sarif
@@ -81,7 +78,7 @@ 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-26.04' && matrix.node-version == 24 && !startsWith(github.ref, 'refs/heads/gh-readonly-queue/')
+        if: matrix.os == 'ubuntu-latest' && matrix.node-version == 24 && !startsWith(github.ref, 'refs/heads/gh-readonly-queue/')
         with:
           sarif_file: eslint.sarif
           category: eslint
@@ -93,7 +90,7 @@ jobs:
     if: github.triggering_actor != 'dependabot[bot]'
     permissions:
       contents: read
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-latest
     timeout-minutes: 10
 
     concurrency:
@@ -126,15 +123,10 @@ jobs:
         if: ${{ !cancelled() && steps.install-deps.outcome == 'success' }}
         run: .github/workflows/script/verify-pr-checks.sh
 
-      - name: Typecheck pr-checks scripts
-        if: ${{ !cancelled() && steps.install-deps.outcome == 'success' }}
-        working-directory: pr-checks
-        run: npm run typecheck
-
       - name: Run pr-checks tests
         if: ${{ !cancelled() && steps.install-deps.outcome == 'success' }}
         working-directory: pr-checks
-        run: npm run test
+        run: npx tsx --test
 
       - name: Run `pr-checks/changenotes.ts` to ensure that all unreleased change notes are valid
         if: ${{ !cancelled() && steps.install-deps.outcome == 'success' }}
@@ -153,11 +145,12 @@ jobs:
 
       - name: Fetch base commit
         id: fetch-base
-        # Skip this (and subsequent steps) if the PR originates from a fork, since this workflow
-        # won't have the necessary permissions to post comments on the PR.
+        # Forks and Dependabot PRs don't have permission to write comments, so skip the repo size
+        # check in those cases.
         if: >-
           github.event_name == 'pull_request' &&
-          github.event.pull_request.head.repo.full_name == github.repository
+          github.event.pull_request.head.repo.full_name == github.repository &&
+          github.event.pull_request.user.login != 'dependabot[bot]'
         env:
           BASE_SHA: ${{ github.event.pull_request.base.sha }}
           HEAD_SHA: ${{ github.event.pull_request.head.sha }}
@@ -216,7 +209,7 @@ jobs:
     if: >-
       github.event_name == 'pull_request' &&
       github.event.pull_request.head.repo.full_name == github.repository &&
-      github.actor != 'dependabot[bot]' &&
+      github.event.pull_request.user.login != 'dependabot[bot]' &&
       needs.other-checks.result == 'success'
     permissions:
       contents: read

.github/workflows/pr-dequeued.yml

@@ -1,43 +0,0 @@
-name: PR dequeued
-
-on:
-  pull_request:
-    types:
-      - dequeued
-
-jobs:
-  notify:
-    name: Notify
-    runs-on: ubuntu-slim
-
-    if: github.event.pull_request.merged != true
-
-    permissions:
-      pull-requests: write
-
-    steps:
-      - name: Notify that the PR was removed from the merge queue
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          PR_NUMBER: ${{ github.event.pull_request.number }}
-          REASON: ${{ github.event.reason }}
-        run: |
-          # Mention whoever added the PR to the merge queue rather than the PR author, who may be a
-          # bot such as Dependabot. The `dequeued` event payload doesn't identify the enqueuer, so
-          # look them up in the most recent `AddedToMergeQueueEvent` on the PR's timeline.
-          enqueuer=$(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"

.github/workflows/prepare-release.yml

@@ -29,7 +29,7 @@ defaults:
 jobs:
   prepare:
     name: "Release info"
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-latest
     if: github.repository == 'github/codeql-action'
 
     permissions:

.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-2025
+    runs-on: windows-latest
 
     steps:
-    - uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
+    - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
       with:
         python-version: 3.12
 

.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-26.04
+    runs-on: ubuntu-latest
     permissions:
       contents: read # This permission is needed to allow the GitHub Actions workflow to read the contents of the repository.
     steps:

.github/workflows/rebuild.yml

@@ -12,7 +12,7 @@ defaults:
 jobs:
   rebuild:
     name: Rebuild Action
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-latest
     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'

.github/workflows/rollback-release.yml

@@ -34,7 +34,7 @@ jobs:
   rollback:
     name: "Create rollback release"
     if: github.repository == 'github/codeql-action'
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-latest
     timeout-minutes: 45
 
     # Don't set the deployment environment for test runs
@@ -139,7 +139,7 @@ jobs:
 
       - name: Generate token
         if: github.event_name == 'workflow_dispatch'
-        uses: actions/create-github-app-token@64ab729a6294000f5aa4a4bc0b73d1f32bc45510 # v3.3.0
+        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
         id: app-token
         with:
           app-id: ${{ vars.AUTOMATION_APP_ID }}

.github/workflows/test-codeql-bundle-all.yml

@@ -27,7 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-        - os: ubuntu-26.04
+        - os: ubuntu-latest
           version: nightly-latest
     name: 'CodeQL Bundle All'
     if: github.triggering_actor != 'dependabot[bot]'

.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-26.04
+    runs-on: ubuntu-latest
     permissions:
       contents: write # needed to push commits
       pull-requests: write # needed to create pull requests

.github/workflows/update-release-branch.yml

@@ -26,7 +26,7 @@ jobs:
   update:
     name: "Update release branch"
     timeout-minutes: 45
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-latest
     if: github.event_name == 'workflow_dispatch'
     needs: [prepare]
     env:
@@ -79,7 +79,7 @@ jobs:
   backport:
     name: "Create backport"
     timeout-minutes: 45
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-latest
     environment: Automation
     needs: [prepare]
     if: ${{ (github.event_name == 'push') && needs.prepare.outputs.backport_target_branches != '[]' }}
@@ -95,7 +95,7 @@ jobs:
       pull-requests: write # needed to create pull request
     steps:
     - name: Generate token
-      uses: actions/create-github-app-token@64ab729a6294000f5aa4a4bc0b73d1f32bc45510 # v3.3.0
+      uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
       id: app-token
       with:
         app-id: ${{ vars.AUTOMATION_APP_ID }}

CHANGELOG.md

@@ -6,10 +6,6 @@ See the [releases page](https://github.com/github/codeql-action/releases) for th
 
 No user facing changes.
 
-## 4.39.1 - 21 Oct 2026
-
-- Update default CodeQL bundle version to [2.27.3](https://github.com/github/codeql-action/releases/tag/codeql-bundle-v2.27.3). [#4256](https://github.com/github/codeql-action/pull/4256)
-
 ## 4.39.0 - 15 Oct 2026
 
 - _Breaking change_: Bump the minimum required CodeQL bundle version to 2.20.7. [#4205](https://github.com/github/codeql-action/pull/4205)

README.md

@@ -76,6 +76,7 @@ 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).
 

init/action.yml

@@ -153,10 +153,7 @@ inputs:
     required: false
   trap-caching:
     description: >-
-      Explicitly enable or disable TRAP caching instead of using the automatically determined default.
-      TRAP caching is disabled by default when improved incremental analysis is enabled,
-      because improved incremental analysis of a pull request only extracts changed files,
-      which rarely benefit from TRAP caching.
+      Explicitly enable or disable TRAP caching rather than respecting the feature flag for it.
     required: false
   dependency-caching:
     description: >-

lib/defaults.json

@@ -1,6 +1,6 @@
 {
-  "bundleVersion": "codeql-bundle-v2.27.3",
-  "cliVersion": "2.27.3",
-  "priorBundleVersion": "codeql-bundle-v2.27.2",
-  "priorCliVersion": "2.27.2"
+  "bundleVersion": "codeql-bundle-v2.27.2",
+  "cliVersion": "2.27.2",
+  "priorBundleVersion": "codeql-bundle-v2.27.1",
+  "priorCliVersion": "2.27.1"
 }

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "codeql",
-  "version": "4.39.2",
+  "version": "4.39.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "codeql",
-      "version": "4.39.2",
+      "version": "4.39.1",
       "license": "MIT",
       "workspaces": [
         "pr-checks"
@@ -30,13 +30,13 @@
         "follow-redirects": "^1.16.1",
         "get-folder-size": "^5.0.0",
         "https-proxy-agent": "^7.0.6",
-        "js-yaml": "^5.5.0",
+        "js-yaml": "^5.4.3",
         "jsonschema": "1.5.0",
         "long": "^5.3.2",
         "node-forge": "^1.4.0",
         "semver": "^7.8.5",
-        "undici": "^7.30.1",
-        "uuid": "^14.0.3"
+        "undici": "^6.28.0",
+        "uuid": "^14.0.2"
       },
       "devDependencies": {
         "@ava/typescript": "6.0.0",
@@ -50,21 +50,29 @@
         "@types/node-forge": "^1.3.14",
         "@types/sarif": "^2.1.7",
         "@types/semver": "^7.8.0",
-        "@types/sinon": "^22.0.1",
+        "@types/sinon": "^22.0.0",
         "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": "^65.4.0",
+        "eslint-plugin-jsdoc": "^65.2.0",
         "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": "^8.72.0"
+        "typescript-eslint": "^8.71.1"
+      }
+    },
+    "node_modules/@aashutoshrathi/word-wrap": {
+      "version": "1.2.6",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
       }
     },
     "node_modules/@actions/artifact": {
@@ -950,89 +958,18 @@
         "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": "0.100.0",
-      "resolved": "https://registry.npmjs.org/@es-joy/jsdoccomment/-/jsdoccomment-0.100.0.tgz",
-      "integrity": "sha512-QuIT5kMg3XWN22Wa1rcXmR/GkfSg6Ygs/ikMiHihdSpu+o3O59LygkFV9srKa5xHplBFwNd5ZCo3bywL4k7qMQ==",
+      "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==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@types/estree": "^1.0.9",
-        "@typescript-eslint/types": "^8.72.0",
+        "@typescript-eslint/types": "^8.70.0",
         "comment-parser": "1.4.9",
         "esquery": "^1.7.0",
-        "jsdoc-type-pratt-parser": "~9.3.0"
+        "jsdoc-type-pratt-parser": "~9.2.2"
       },
       "engines": {
         "node": "^22.22.2 || >=24.15.0"
@@ -2744,15 +2681,20 @@
       "license": "MIT"
     },
     "node_modules/@types/sinon": {
-      "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==",
+      "version": "22.0.0",
+      "resolved": "https://registry.npmjs.org/@types/sinon/-/sinon-22.0.0.tgz",
+      "integrity": "sha512-TDbVpbccc2HfiqHR09Argj3mHV1KMW7sCCKj52fsl8lbRLkEn7fB1966EWhOKWUBcqfBueZuPoA7/OK1CKiy3g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@sinonjs/fake-timers": "^15.4.0"
+        "@types/sinonjs__fake-timers": "*"
       }
     },
+    "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",
@@ -2760,17 +2702,17 @@
       "license": "MIT"
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
-      "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==",
+      "version": "8.71.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.71.1.tgz",
+      "integrity": "sha512-nNlBf6HuotqMgZvSkWD5hNdemiBIxQ2NmrlgfcUIeZRs+BbakjscCQRq/Hb74EFVnFiSWWdL12JruqwBy3ERDw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/regexpp": "^4.12.2",
-        "@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",
+        "@typescript-eslint/scope-manager": "8.71.1",
+        "@typescript-eslint/type-utils": "8.71.1",
+        "@typescript-eslint/utils": "8.71.1",
+        "@typescript-eslint/visitor-keys": "8.71.1",
         "ignore": "^7.0.5",
         "natural-compare": "^1.4.0",
         "ts-api-utils": "^2.5.0"
@@ -2783,7 +2725,7 @@
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "@typescript-eslint/parser": "^8.72.0",
+        "@typescript-eslint/parser": "^8.71.1",
         "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0",
         "typescript": ">=4.8.4 <6.1.0"
       }
@@ -2799,16 +2741,16 @@
       }
     },
     "node_modules/@typescript-eslint/parser": {
-      "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==",
+      "version": "8.71.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.71.1.tgz",
+      "integrity": "sha512-oM/5sAqz/l1v/zYK1qTOPrn2+JIrBGC1V6uNYucRO5gh6eT9vWJ/RhPbGE59byvZEUQ4VP6XkLBaS5Jti5jpvw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@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",
+        "@typescript-eslint/scope-manager": "8.71.1",
+        "@typescript-eslint/types": "8.71.1",
+        "@typescript-eslint/typescript-estree": "8.71.1",
+        "@typescript-eslint/visitor-keys": "8.71.1",
         "debug": "^4.4.3"
       },
       "engines": {
@@ -2842,14 +2784,14 @@
       }
     },
     "node_modules/@typescript-eslint/project-service": {
-      "version": "8.72.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.72.0.tgz",
-      "integrity": "sha512-bzHngBbmIgzj6TsTjVUCntGx6FFLgE7mPjpO0PzHycOaZHXqS43XnrkFIHRS16LLr/xO6FHSXG3GJFo/F4bSBQ==",
+      "version": "8.71.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/project-service/-/project-service-8.71.1.tgz",
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-        "@es-joy/jsdoccomment": "~0.100.0",
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@@ -7196,28 +7136,12 @@
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       "license": "MIT",
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+        "argparse": "^2.0.1"
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-        "@types/estree": "^1.0.9"
+        "@types/estree": "^1.0.9",
+        "@types/node": "^26.4.0"
       },
       "engines": {
         "node": "^22.22.2 || >=24.15.0"
       }
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+    "node_modules/jsdoc-type-pratt-parser/node_modules/@types/node": {
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+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.2.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~8.9.0"
+      }
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+    "node_modules/jsdoc-type-pratt-parser/node_modules/undici-types": {
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@@ -8401,18 +8343,16 @@
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+      "version": "0.9.3",
       "dev": true,
       "license": "MIT",
       "dependencies": {
+        "@aashutoshrathi/word-wrap": "^1.2.3",
         "deep-is": "^0.1.3",
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         "levn": "^0.4.1",
         "prelude-ls": "^1.2.1",
-        "type-check": "^0.4.0",
-        "word-wrap": "^1.2.5"
+        "type-check": "^0.4.0"
       },
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         "node": ">= 0.8.0"
@@ -9336,17 +9276,6 @@
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-    "node_modules/source-map": {
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-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.6.tgz",
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-      "dev": true,
-      "license": "BSD-3-Clause",
-      "optional": true,
-      "engines": {
-        "node": ">= 12"
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       "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.5.0.tgz",
@@ -10052,16 +9981,16 @@
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+      "resolved": "https://registry.npmjs.org/typescript-eslint/-/typescript-eslint-8.71.1.tgz",
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-        "@typescript-eslint/parser": "8.72.0",
-        "@typescript-eslint/typescript-estree": "8.72.0",
-        "@typescript-eslint/utils": "8.72.0"
+        "@typescript-eslint/eslint-plugin": "8.71.1",
+        "@typescript-eslint/parser": "8.71.1",
+        "@typescript-eslint/typescript-estree": "8.71.1",
+        "@typescript-eslint/utils": "8.71.1"
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       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -10095,12 +10024,12 @@
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-      "resolved": "https://registry.npmjs.org/undici/-/undici-7.30.1.tgz",
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+      "version": "6.28.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-6.28.0.tgz",
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       "license": "MIT",
       "engines": {
-        "node": ">=20.18.1"
+        "node": ">=18.17"
       }
     },
     "node_modules/undici-types": {
@@ -10238,9 +10167,9 @@
       "license": "MIT"
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-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-14.0.3.tgz",
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+      "version": "14.0.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-14.0.2.tgz",
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       "funding": [
         "https://github.com/sponsors/broofa",
         "https://github.com/sponsors/ctavan"
@@ -10380,16 +10309,6 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
-    "node_modules/word-wrap": {
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-      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
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-      "dev": true,
-      "license": "MIT",
-      "engines": {
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       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
@@ -10565,11 +10484,9 @@
       "dependencies": {
         "@actions/core": "^2.0.3",
         "@actions/github": "^8.0.1",
-        "@actions/tool-cache": "^3.0.1",
         "@octokit/core": "^7.0.8",
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         "@octokit/plugin-rest-endpoint-methods": "^18.0.0",
-        "glob": "^13.0.6",
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         "semver": "^7.8.5",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "codeql",
-  "version": "4.39.2",
+  "version": "4.39.1",
   "private": true,
   "description": "CodeQL action",
   "scripts": {
@@ -13,8 +13,7 @@
     "test": "npm run ava -- src/",
     "test-debug": "npm run test -- --timeout=20m",
     "transpile": "tsc --build --verbose tsconfig.json",
-    "update-pr-checks": "./pr-checks/sync.sh",
-    "typecheck": "tsc --noEmit"
+    "update-pr-checks": "./pr-checks/sync.sh"
   },
   "license": "MIT",
   "workspaces": [
@@ -39,13 +38,13 @@
     "follow-redirects": "^1.16.1",
     "get-folder-size": "^5.0.0",
     "https-proxy-agent": "^7.0.6",
-    "js-yaml": "^5.5.0",
+    "js-yaml": "^5.4.3",
     "jsonschema": "1.5.0",
     "long": "^5.3.2",
     "node-forge": "^1.4.0",
     "semver": "^7.8.5",
-    "undici": "^7.30.1",
-    "uuid": "^14.0.3"
+    "undici": "^6.28.0",
+    "uuid": "^14.0.2"
   },
   "devDependencies": {
     "@ava/typescript": "6.0.0",
@@ -59,21 +58,21 @@
     "@types/node-forge": "^1.3.14",
     "@types/sarif": "^2.1.7",
     "@types/semver": "^7.8.0",
-    "@types/sinon": "^22.0.1",
+    "@types/sinon": "^22.0.0",
     "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": "^65.4.0",
+    "eslint-plugin-jsdoc": "^65.2.0",
     "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": "^8.72.0"
+    "typescript-eslint": "^8.71.1"
   },
   "overrides": {
     "@actions/tool-cache": {
@@ -95,6 +94,6 @@
       "semver": ">=6.3.1"
     },
     "glob": "^13.0.6",
-    "undici": "^7.30.1"
+    "undici": "^6.28.0"
   }
 }

pr-checks/check-diagnostics.ts

@@ -1,118 +0,0 @@
-import fs from "fs";
-import path from "path";
-
-import * as core from "@actions/core";
-import { globSync } from "glob";
-
-import * as sarif from "../src/sarif";
-
-const DIAGNOSTIC_ID =
-  process.env["DIAGNOSTIC_ID"] ?? "lang/diagnostics/example";
-const DIAGNOSTIC_NAME = process.env["DIAGNOSTIC_NAME"] ?? "Diagnostic name";
-const EXPECTED_MESSAGE = process.env["EXPECTED_MESSAGE"] ?? "Plaintext message";
-const EXPECTED_LOCATIONS = Number.parseInt(
-  process.env["EXPECTED_LOCATIONS"] ?? "1",
-);
-
-function checkStatusPageNotification(n: sarif.Notification) {
-  const expectedMessage = EXPECTED_MESSAGE.trim();
-  if (!n.message.text?.includes(expectedMessage)) {
-    if (n.message.text !== undefined) {
-      core.setFailed(
-        `Expected the status page diagnostic to contain the message '${expectedMessage}', but found '${n.message.text.replaceAll("\n", "\\n")}'.`,
-      );
-    } else {
-      core.setFailed(
-        `Expected the status page diagnostic to contain the message '${expectedMessage}', but found nothing.`,
-      );
-    }
-  }
-
-  const locationCount = n.locations?.length ?? 0;
-  if (locationCount !== EXPECTED_LOCATIONS) {
-    core.setFailed(
-      `Expected the status page diagnostic to have exactly ${EXPECTED_LOCATIONS} location(s), but found ${locationCount}.`,
-    );
-  }
-}
-
-function checkSarif(sarifFile: string) {
-  core.info(`Checking SARIF file at '${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 or directory must be set in 'SARIF_PATH'.",
-  );
-}
-
-if (fs.statSync(sarifPath).isDirectory()) {
-  const sarifFiles = globSync("**/*.sarif", {
-    cwd: path.resolve(sarifPath),
-    absolute: true,
-  });
-
-  if (sarifFiles.length < 1) {
-    throw new Error(`Unable to find any .sarif files in '${sarifPath}'.`);
-  }
-
-  for (const sarifFile of sarifFiles) {
-    checkSarif(sarifFile);
-  }
-} else {
-  checkSarif(sarifPath);
-}
-
-core.info("Finished diagnostic export test");

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-26-xlarge
+    runner-image: macos-latest-xlarge
   - windows
 versions:
   - nightly-latest

pr-checks/checks/bundle-from-toolcache.yml

@@ -2,20 +2,30 @@ name: "Bundle: From toolcache"
 description: "The CodeQL bundle should be cached within the toolcache"
 versions:
   - toolcache
-installNode: true
 steps:
+  - name: Install @actions/tool-cache
+    run: npm install @actions/tool-cache@3
   - name: Check toolcache contains CodeQL
     continue-on-error: true
-    run: |
-      cd ./../action
-      npx tsx ./pr-checks/toolcache.ts installed
-
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+    with:
+      script: |
+        const toolcache = require('@actions/tool-cache');
+        const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
+        if (allCodeqlVersions.length === 0) {
+          throw new Error(`CodeQL could not be found in the toolcache`);
+        }
   - id: setup-codeql
     uses: ./../action/setup-codeql
     with:
       tools: ${{ steps.prepare-test.outputs.tools-url }}
-
   - name: Check CodeQL is installed within the toolcache
-    run: |
-      cd ./../action
-      npx tsx ./pr-checks/toolcache.ts installed
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+    with:
+      script: |
+        const toolcache = require('@actions/tool-cache');
+        const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
+        console.log(`Found CodeQL versions: ${allCodeqlVersions}`);
+        if (allCodeqlVersions.length === 0) {
+          throw new Error('CodeQL not found in toolcache');
+        }

pr-checks/checks/bundle-toolcache.yml

@@ -6,31 +6,47 @@ operatingSystems:
   - ubuntu
   - macos
   - windows
-installNode: true
 steps:
   - name: Remove CodeQL from toolcache
-    run: |
-      cd ./../action
-      npx tsx ./pr-checks/toolcache.ts clear
-
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+    with:
+      script: |
+        const fs = require('fs');
+        const path = require('path');
+        const codeqlPath = path.join(process.env['RUNNER_TOOL_CACHE'], 'CodeQL');
+        fs.rmdirSync(codeqlPath, { recursive: true });
+  - name: Install @actions/tool-cache
+    run: npm install @actions/tool-cache@3
   - name: Check toolcache does not contain CodeQL
-    run: |
-      cd ./../action
-      npx tsx ./pr-checks/toolcache.ts absent
-
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+    with:
+      script: |
+        const toolcache = require('@actions/tool-cache');
+        const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
+        if (allCodeqlVersions.length !== 0) {
+          throw new Error(`CodeQL should not be found in the toolcache, but found ${allCodeqlVersions}`);
+        }
+        console.log('No versions of CodeQL found in the toolcache');
   - id: init
     uses: ./../action/init
     with:
       # Request multiple languages so this check uses the combined bundle.
       languages: javascript,python
       tools: ${{ steps.prepare-test.outputs.tools-url }}
-
   - uses: ./../action/analyze
     with:
       output: ${{ runner.temp }}/results
       upload-database: false
-
   - name: Check CodeQL is installed within the toolcache
-    run: |
-      cd ./../action
-      npx tsx ./pr-checks/toolcache.ts installed -n 1
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+    with:
+      script: |
+        const toolcache = require('@actions/tool-cache');
+        const allCodeqlVersions = toolcache.findAllVersions('CodeQL');
+        console.log(`Found CodeQL versions: ${allCodeqlVersions}`);
+        if (allCodeqlVersions.length === 0) {
+          throw new Error('CodeQL not found in toolcache');
+        }
+        if (allCodeqlVersions.length > 1) {
+          throw new Error('Multiple CodeQL versions found in toolcache');
+        }

pr-checks/checks/diagnostics-export.yml

@@ -5,7 +5,6 @@ versions:
   - nightly-latest
 env:
   CODEQL_ACTION_EXPORT_DIAGNOSTICS: true
-installNode: true
 steps:
   - uses: ./../action/init
     id: init
@@ -33,10 +32,53 @@ steps:
       name: diagnostics-export-${{ matrix.os }}-${{ matrix.version }}.sarif.json
       path: "${{ runner.temp }}/results/javascript.sarif"
       retention-days: 7
-
   - name: Check diagnostics appear in SARIF
+    uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
     env:
       SARIF_PATH: "${{ runner.temp }}/results/javascript.sarif"
-    run: |
-      cd ../action
-      npx tsx ./pr-checks/check-diagnostics.ts
+    with:
+      script: |
+        const fs = require('fs');
+
+        function checkStatusPageNotification(n) {
+          const expectedMessage = 'Plaintext message';
+          if (n.message.text !== expectedMessage) {
+            core.setFailed(`Expected the status page diagnostic to have the message '${expectedMessage}', but found '${n.message.text}'.`);
+          }
+          if (n.locations.length !== 1) {
+            core.setFailed(`Expected the status page diagnostic to have exactly 1 location, but found ${n.locations.length}.`);
+          }
+        }
+
+        const sarif = JSON.parse(fs.readFileSync(process.env['SARIF_PATH'], 'utf8'));
+        const run = sarif.runs[0];
+
+        const toolExecutionNotifications = run.invocations[0].toolExecutionNotifications;
+        const statusPageNotifications = toolExecutionNotifications.filter(n =>
+          n.descriptor.id === 'lang/diagnostics/example' && n.properties?.visibility?.statusPage
+        );
+        if (statusPageNotifications.length !== 1) {
+          core.setFailed(
+            'Expected exactly one status page reporting descriptor for this diagnostic in the ' +
+              `'runs[].invocations[].toolExecutionNotifications[]' SARIF property, but found ` +
+              `${statusPageNotifications.length}. All notification reporting descriptors: ` +
+              `${JSON.stringify(toolExecutionNotifications)}.`
+          );
+        }
+        checkStatusPageNotification(statusPageNotifications[0]);
+
+        const notifications = run.tool.driver.notifications;
+        const diagnosticNotification = notifications.filter(n =>
+          n.id === 'lang/diagnostics/example' && n.name === 'lang/diagnostics/example' &&
+            n.fullDescription.text === 'Diagnostic name'
+        );
+        if (diagnosticNotification.length !== 1) {
+          core.setFailed(
+            'Expected exactly one notification for this diagnostic in the ' +
+              `'runs[].tool.driver.notifications[]' SARIF property, but found ` +
+              `${diagnosticNotification.length}. All notifications: ` +
+              `${JSON.stringify(notifications)}.`
+          );
+        }
+
+        core.info('Finished diagnostic export test');

pr-checks/checks/diagnostics-without-db.yml

@@ -1,72 +0,0 @@
-name: "Diagnostic export without database"
-description: "Tests that temporary diagnostics are correctly included in the failed SARIF."
-versions:
-  # Overridden by the FF in the `init` step below.
-  - linked
-installNode: true
-
-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:
-  # We deliberately need to make this step fail before the database is initialised, but after
-  # some diagnostic has been produced. The simplest way to do that right now is to:
-  #
-  # - Produce a diagnostic before the db is initialised by forcing the use of a nightly release
-  #   with the `CODEQL_ACTION_FORCE_NIGHTLY` feature flag.
-  # - Cause `init` to abort because we are attempting to analyse Swift on a non-macOS runner.
-  #
-  - name: Initialise failing analysis
-    id: init
-    uses: ./../action/init
-    continue-on-error: true
-    env:
-      CODEQL_ACTION_FORCE_NIGHTLY: true
-    with:
-      languages: swift
-      tools: ${{ steps.prepare-test.outputs.tools-url }}
-
-  - name: Analyze
-    uses: ./analyze
-    # In a real workflow, this step wouldn't run. Since we used `continue-on-error`
-    # above, we manually disable it with an `if` condition. Having this step is required
-    # for the init post-action because it checks the workflow definition for e.g. the
-    # `category` input. Without this step, that part of the init post-action would fail.
-    if: false
-    with:
-      category: "/test-codeql-version:${{ matrix.version }}"
-
-  - name: Check diagnostics appear on disk
-    env:
-      DIAGNOSTICS_DIR: "${{ runner.temp }}/codeql-action-temp-diagnostics/"
-    run: |
-      cd ../action
-      npx tsx ./pr-checks/diagnostics-without-db.ts
-validationJobs:
-  diagnostics-without-db-validation:
-    checkout: true
-    installNode: true
-    steps:
-      - name: Download workflow artifact
-        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
-        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/codeql-failed-run.sarif"
-          DIAGNOSTIC_ID: "codeql-action/forced-nightly-cli"
-          DIAGNOSTIC_NAME: "A nightly release of CodeQL was used"
-          EXPECTED_LOCATIONS: "0"
-          EXPECTED_MESSAGE: |
-            GitHub configured this analysis to use a nightly release of CodeQL to allow you to preview changes from an upcoming release.
-        run: npx tsx ./pr-checks/check-diagnostics.ts

pr-checks/checks/export-file-baseline-information.yml

@@ -11,17 +11,16 @@ installDotNet: true
 env:
   CODEQL_ACTION_SKIP_FILE_COVERAGE_ON_PRS: false
   CODEQL_ACTION_SUBLANGUAGE_FILE_COVERAGE: true
+  # To balance speed and coverage, we analyze only a single language (JavaScript), but use the
+  # combined bundle so we can test that baseline information is reported for each language in the
+  # multi-language source directory.
+  CODEQL_ACTION_PER_LANGUAGE_BUNDLES: false
 steps:
   - uses: ./../action/init
     id: init
     with:
       languages: javascript
       tools: ${{ steps.prepare-test.outputs.tools-url }}
-      # To balance speed and coverage, analyze only JavaScript but use the combined bundle so
-      # baseline information is reported for every language in the multi-language repository. A
-      # custom configuration prevents per-language bundles from being used.
-      config: |
-        paths-ignore: []
   - name: Build code
     run: ./build.sh
   - uses: ./../action/analyze

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-26-xlarge
+    runner-image: macos-latest-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.
@@ -14,6 +14,7 @@ operatingSystems:
       - stable-v2.21.4
       - stable-v2.22.4
 env:
+  CODEQL_ACTION_CLEANUP_TOOLCACHE_BUNDLES: true
   CODEQL_ACTION_RESOLVE_SUPPORTED_LANGUAGES_USING_CLI: true
 installGo: true
 installDotNet: true
@@ -23,7 +24,7 @@ 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@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
+    uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
     with:
       python-version: "3.13.15"
 

pr-checks/checks/per-language-bundle-validation.yml

@@ -1,51 +1,49 @@
 name: Per-language bundles
 description: Validates extraction and analysis using each per-language CodeQL bundle.
+# TODO: Use a released bundle once releases include per-language bundles.
 matrix:
   include:
     - language: actions
-      os: ubuntu-26.04
-      version: linked
+      os: ubuntu-latest
+      version: nightly-latest
       # Actions also needs the JavaScript extractor.
       expected-extractors: actions javascript
     - language: cpp
-      os: ubuntu-26.04
-      version: linked
+      os: ubuntu-latest
+      version: nightly-latest
       build-mode: manual
       build-command: gcc -o main main.c
     - language: csharp
-      os: ubuntu-26.04
-      version: linked
+      os: ubuntu-latest
+      version: nightly-latest
       build-mode: none
     - language: go
-      os: ubuntu-26.04
-      version: linked
+      os: ubuntu-latest
+      version: nightly-latest
       build-mode: autobuild
     - language: java
-      os: ubuntu-26.04
-      version: linked
+      os: ubuntu-latest
+      version: nightly-latest
       build-mode: none
     - language: javascript
-      os: ubuntu-26.04
-      version: linked
+      os: ubuntu-latest
+      version: nightly-latest
     - language: python
-      os: ubuntu-26.04
-      version: linked
+      os: ubuntu-latest
+      version: nightly-latest
     - language: ruby
-      os: ubuntu-26.04
-      version: linked
+      os: ubuntu-latest
+      version: nightly-latest
     - language: rust
-      os: ubuntu-26.04
-      version: linked
+      os: ubuntu-latest
+      version: nightly-latest
     - language: swift
-      os: macos-26-xlarge
-      version: linked
+      os: macos-latest-xlarge
+      version: nightly-latest
       build-mode: autobuild
-installNode: true
+env:
+  CODEQL_ACTION_PER_LANGUAGE_BUNDLES: true
 steps:
-  - name: Remove CodeQL from toolcache
-    run: |
-      cd ./../action
-      npx tsx ./pr-checks/toolcache.ts clear
   - uses: ./../action/init
     id: init
     with:
@@ -86,8 +84,9 @@ steps:
       CODEQL_PATH: ${{ steps.init.outputs.codeql-path }}
     run: |
       # A bundle that is missing most of its extractors must never be left in the toolcache,
-      # where a later job analyzing a different language could pick it up. Per-language bundles
-      # must instead be extracted under the runner's temporary directory.
+      # where a later job analyzing a different language could pick it up. The runner image
+      # ships with its own CodeQL in the toolcache, so check where this bundle was extracted to
+      # rather than whether the toolcache contains CodeQL at all.
       echo "CodeQL is at $CODEQL_PATH"
       if [[ "$CODEQL_PATH" == "$RUNNER_TOOL_CACHE"/* ]]; then
         echo "::error::The per-language bundle was added to the toolcache at $CODEQL_PATH."

pr-checks/checks/rubocop-multi-language.yml

@@ -0,0 +1,23 @@
+name: "RuboCop multi-language"
+description: "Tests using RuboCop to analyze a multi-language repository and then using the CodeQL Action to upload the resulting SARIF"
+# This check doesn't use CodeQL, so the `version` matrix variable is unused.
+versions:
+  - default
+steps:
+  - name: Set up Ruby
+    uses: ruby/setup-ruby@14594264cd68ce8a2345dd349bc3d138a4ef85c8 # v1.327.0
+    with:
+      ruby-version: 2.6
+  - name: Install Code Scanning integration
+    run: bundle add code-scanning-rubocop --version 0.3.0 --skip-install
+  - name: Install dependencies
+    run: bundle install
+  - name: RuboCop run
+    run: |
+      bash -c "
+        bundle exec rubocop --require code_scanning --format CodeScanning::SarifFormatter -o rubocop.sarif
+        [[ $? -ne 2 ]]
+      "
+  - uses: ./../action/upload-sarif
+    with:
+      sarif_file: rubocop.sarif

pr-checks/checks/submit-sarif-failure.yml

@@ -35,9 +35,7 @@ steps:
     run: exit 1
   - uses: ./analyze
     # In a real workflow, this step wouldn't run. Since we used `continue-on-error`
-    # above, we manually disable it with an `if` condition. Having this step is required
-    # for the init post-action because it checks the workflow definition for e.g. the
-    # `category` input. Without this step, that part of the init post-action would fail.
+    # above, we manually disable it with an `if` condition.
     if: false
     with:
       category: "/test-codeql-version:${{ matrix.version }}"

pr-checks/checks/swift-autobuild.yml

@@ -4,7 +4,7 @@ versions:
   - nightly-latest
 operatingSystems:
   - os: macos
-    runner-image: macos-26-xlarge
+    runner-image: macos-latest-xlarge
 steps:
   - uses: ./../action/init
     id: init

pr-checks/checks/swift-custom-build.yml

@@ -6,7 +6,7 @@ versions:
   - nightly-latest
 operatingSystems:
   - os: macos
-    runner-image: macos-26-xlarge
+    runner-image: macos-latest-xlarge
 installGo: true
 installDotNet: true
 env:

pr-checks/checks/unsupported-macos.yml

@@ -1,67 +0,0 @@
-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

pr-checks/diagnostics-without-db.ts

@@ -1,48 +0,0 @@
-import * as fs from "fs";
-import * as path from "path";
-
-import * as core from "@actions/core";
-
-import type * as diagnostics from "../src/diagnostics";
-
-const DIAGNOSTIC_ID = "codeql-action/forced-nightly-cli";
-const diagnosticDirectory = process.env["DIAGNOSTICS_DIR"];
-
-if (diagnosticDirectory === undefined) {
-  throw new Error("DIAGNOSTICS_DIR is undefined.");
-}
-
-const paths = fs
-  .readdirSync(diagnosticDirectory, {
-    recursive: true,
-    encoding: "utf-8",
-  })
-  .filter((p) => p.endsWith(".json"));
-
-core.info(`Found ${paths.length} paths in '${diagnosticDirectory}'.`);
-core.info(`Searching for a diagnostic with id '${DIAGNOSTIC_ID}'...`);
-
-let found = false;
-for (const diagnosticPath of paths) {
-  if (path.extname(diagnosticPath) !== ".json") {
-    core.info(`Skipping ${diagnosticPath}.`);
-    continue;
-  }
-  core.info(`Found ${diagnosticPath}.`);
-
-  const contents = JSON.parse(
-    fs.readFileSync(path.resolve(diagnosticDirectory, diagnosticPath), "utf-8"),
-  ) as diagnostics.DiagnosticMessage;
-
-  if (contents.source.id === DIAGNOSTIC_ID) {
-    core.info(
-      `Found '${DIAGNOSTIC_ID}' in '${diagnosticPath}'. Skipping remaining files.`,
-    );
-    found = true;
-    break;
-  }
-}
-
-if (!found) {
-  throw new Error(`Didn't find '${DIAGNOSTIC_ID}' diagnostic.`);
-}