Pin specific runner image versions.

.github/workflows/coding-standards.yml

@@ -80,7 +80,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       actions: write
     needs: [ phpcs, jshint, slack-notifications ]

.github/workflows/end-to-end-tests.yml

@@ -67,7 +67,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       actions: write
     needs: [ e2e-tests, slack-notifications ]

.github/workflows/failed-workflow.yml

@@ -23,7 +23,7 @@ jobs:
   # - Restarts all failed jobs when the workflow fails or is cancelled for the first time.
   failed-workflow:
     name: Rerun a workflow
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       actions: write
     timeout-minutes: 30

.github/workflows/install-testing.yml

@@ -69,7 +69,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
+        os: [ ubuntu-24.04 ]
         php: ${{ fromJSON( needs.build-test-matrix.outputs.php-versions ) }}
         db-type: [ 'mysql' ]
         db-version: ${{ fromJSON( needs.build-test-matrix.outputs.mysql-versions ) }}
@@ -152,7 +152,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       actions: write
     needs: [ slack-notifications ]

.github/workflows/javascript-tests.yml

@@ -70,7 +70,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       actions: write
     needs: [ slack-notifications ]

.github/workflows/local-docker-environment.yml

@@ -82,7 +82,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
+        os: [ ubuntu-24.04 ]
         memcached: [ false, true ]
         php: ${{ fromJSON( needs.build-test-matrix.outputs.php-versions ) }}
         db-version: ${{ fromJSON( needs.build-test-matrix.outputs.mysql-versions ) }}
@@ -123,7 +123,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       actions: write
     needs: [ build-test-matrix, environment-tests-mysql, slack-notifications ]

.github/workflows/performance.yml

@@ -66,7 +66,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       actions: write
     needs: [ slack-notifications ]

.github/workflows/php-compatibility.yml

@@ -67,7 +67,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       actions: write
     needs: [ slack-notifications ]

.github/workflows/phpunit-tests.yml

@@ -44,7 +44,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
+        os: [ ubuntu-24.04 ]
         php: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4' ]
         db-type: [ 'mysql' ]
         db-version: [ '5.7', '8.0', '8.4' ]
@@ -54,37 +54,37 @@ jobs:
 
         include:
           # Include jobs that test with memcached.
-          - os: ubuntu-latest
+          - os: ubuntu-24.04
             php: '8.3'
             db-type: 'mysql'
             db-version: '8.4'
             tests-domain: 'example.org'
             multisite: false
             memcached: true
-          - os: ubuntu-latest
+          - os: ubuntu-24.04
             php: '8.3'
             db-type: 'mysql'
             db-version: '8.4'
             tests-domain: 'example.org'
             multisite: true
             memcached: true
           # Include jobs with a port on the test domain for both single and multisite.
-          - os: ubuntu-latest
+          - os: ubuntu-24.04
             php: '8.4'
             db-type: 'mysql'
             db-version: '8.4'
             tests-domain: 'example.org:8889'
             multisite: false
             memcached: false
-          - os: ubuntu-latest
+          - os: ubuntu-24.04
             php: '8.4'
             db-type: 'mysql'
             db-version: '8.4'
             tests-domain: 'example.org:8889'
             multisite: true
             memcached: false
           # Report test results to the Host Test Results.
-          - os: ubuntu-latest
+          - os: ubuntu-24.04
             db-type: 'mysql'
             db-version: '8.4'
             tests-domain: 'example.org'
@@ -115,7 +115,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
+        os: [ ubuntu-24.04 ]
         php: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4' ]
         db-type: [ 'mariadb' ]
         db-version: [ '5.5', '10.3', '10.4', '10.5', '10.6', '10.11', '11.4' ]
@@ -124,13 +124,13 @@ jobs:
 
         include:
         # Include jobs that test with memcached.
-        - os: ubuntu-latest
+        - os: ubuntu-24.04
           php: '8.3'
           db-type: 'mariadb'
           db-version: '11.4'
           multisite: false
           memcached: true
-        - os: ubuntu-latest
+        - os: ubuntu-24.04
           php: '8.3'
           db-type: 'mariadb'
           db-version: '11.4'
@@ -165,7 +165,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
+        os: [ ubuntu-24.04 ]
         php: [ '7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3', '8.4' ]
         db-type: [ 'mysql', 'mariadb' ]
         db-version: [ '9.1', '11.6' ]
@@ -236,7 +236,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       actions: write
     needs: [ slack-notifications ]

.github/workflows/props-bot.yml

@@ -48,7 +48,7 @@ jobs:
   # - Removes the props-bot label, if necessary.
   props-bot:
     name: Generate a list of props
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       # The action needs permission `write` permission for PRs in order to add a comment.
       pull-requests: write

.github/workflows/pull-request-comments.yml

@@ -22,7 +22,7 @@ permissions: {}
 jobs:
   # Comments on a pull request when the author is a first time contributor.
   post-welcome-message:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       issues: write
       pull-requests: write
@@ -80,7 +80,7 @@ jobs:
   # Leaves a comment on a pull request with a link to test the changes in a WordPress Playground instance.
   playground-details:
     name: Comment on a pull request with Playground details
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       issues: write
       pull-requests: write
@@ -170,7 +170,7 @@ jobs:
   # Manages comments reminding contributors to include a Trac ticket link when opening a pull request.
   trac-ticket-check:
     name: Manage Trac ticket reminders for pull requests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       issues: write
       pull-requests: write

.github/workflows/reusable-cleanup-pull-requests.yml

@@ -22,7 +22,7 @@ jobs:
   # - Leaves a comment on each PR before closing.
   close-prs:
     name: Find and close PRs
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       pull-requests: write
 

.github/workflows/reusable-coding-standards-javascript.yml

@@ -27,7 +27,7 @@ jobs:
   # - Ensures version-controlled files are not modified or deleted.
   jshint:
     name: Run coding standards checks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
     timeout-minutes: 20

.github/workflows/reusable-coding-standards-php.yml

@@ -39,7 +39,7 @@ jobs:
   # - Ensures version-controlled files are not modified or deleted.
   phpcs:
     name: Run coding standards checks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
     timeout-minutes: 20

.github/workflows/reusable-end-to-end-tests.yml

@@ -59,7 +59,7 @@ jobs:
   # - Ensures version-controlled files are not modified or deleted.
   e2e-tests:
     name: Run E2E tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
     timeout-minutes: 20

.github/workflows/reusable-javascript-tests.yml

@@ -28,7 +28,7 @@ jobs:
   # - Ensures version-controlled files are not modified or deleted.
   test-js:
     name: Run QUnit tests
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
     timeout-minutes: 20

.github/workflows/reusable-performance.yml

@@ -115,7 +115,7 @@ jobs:
   # - Ensure version-controlled files are not modified or deleted.
   performance:
     name: ${{ inputs.multisite && 'Multisite' || 'Single site' }} / ${{ inputs.memcached && 'Memcached' || 'Default' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
     if: ${{ ! contains( github.event.before, '00000000' ) }}

.github/workflows/reusable-php-compatibility.yml

@@ -33,7 +33,7 @@ jobs:
   # - Ensures version-controlled files are not modified or deleted.
   php-compatibility:
     name: Run compatibility checks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
     timeout-minutes: 20

.github/workflows/reusable-phpunit-tests-v1.yml

@@ -14,7 +14,7 @@ on:
         description: 'Operating system to run tests on'
         required: false
         type: 'string'
-        default: 'ubuntu-latest'
+        default: 'ubuntu-24.04'
       php:
         description: 'The version of PHP to use, in the format of X.Y'
         required: true

.github/workflows/reusable-phpunit-tests-v2.yml

@@ -14,7 +14,7 @@ on:
         description: 'Operating system to run tests on'
         required: false
         type: 'string'
-        default: 'ubuntu-latest'
+        default: 'ubuntu-24.04'
       php:
         description: 'The version of PHP to use, in the format of X.Y'
         required: true

.github/workflows/reusable-phpunit-tests-v3.yml

@@ -12,7 +12,7 @@ on:
         description: 'Operating system to run tests on'
         required: false
         type: 'string'
-        default: 'ubuntu-latest'
+        default: 'ubuntu-24.04'
       php:
         description: 'The version of PHP to use, in the format of X.Y'
         required: true

.github/workflows/reusable-support-json-reader-v1.yml

@@ -42,7 +42,7 @@ jobs:
     name: Determine major WordPress version
     permissions:
       contents: read
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     timeout-minutes: 5
     outputs:
       version: ${{ steps.major-wp-version.outputs.version }}
@@ -78,7 +78,7 @@ jobs:
     name: Determine PHP versions
     permissions:
       contents: read
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     needs: [ major-wp-version ]
     timeout-minutes: 5
     outputs:
@@ -121,7 +121,7 @@ jobs:
     name: Determine MySQL versions
     permissions:
       contents: read
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     needs: [ major-wp-version ]
     timeout-minutes: 5
     outputs:

.github/workflows/reusable-test-core-build-process.yml

@@ -10,7 +10,7 @@ on:
         description: 'Operating system to run tests on'
         required: false
         type: 'string'
-        default: 'ubuntu-latest'
+        default: 'ubuntu-24.04'
       directory:
         description: 'Directory to run WordPress from. Valid values are `src` or `build`'
         required: false
@@ -98,7 +98,7 @@ jobs:
         run: git diff --exit-code
 
       - name: Create ZIP of built files
-        if: ${{ inputs.directory == 'build' && 'ubuntu-latest' == inputs.os }}
+        if: ${{ inputs.directory == 'build' && 'ubuntu-24.04' == inputs.os }}
         run: zip -r wordpress.zip build/.
 
       - name: Clean after building to run from ${{ inputs.directory }}

.github/workflows/reusable-test-gutenberg-build-process.yml

@@ -10,7 +10,7 @@ on:
         description: 'Operating system to run tests on'
         required: false
         type: 'string'
-        default: 'ubuntu-latest'
+        default: 'ubuntu-24.04'
       directory:
         description: 'Directory to run WordPress from. Valid values are `src` or `build`'
         required: false

.github/workflows/reusable-test-local-docker-environment-v1.yml

@@ -12,7 +12,7 @@ on:
         description: 'Operating system to test'
         required: false
         type: 'string'
-        default: 'ubuntu-latest'
+        default: 'ubuntu-24.04'
       php:
         description: 'The version of PHP to use, in the format of X.Y'
         required: false

.github/workflows/reusable-upgrade-testing.yml

@@ -8,7 +8,7 @@ on:
         description: 'Operating system to run tests on.'
         required: false
         type: 'string'
-        default: 'ubuntu-latest'
+        default: 'ubuntu-24.04'
       wp:
         description: 'The version of WordPress to start with.'
         required: true

.github/workflows/reusable-workflow-lint.yml

@@ -15,7 +15,7 @@ jobs:
   # - Runs actionlint.
   actionlint:
     name: Run actionlint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     permissions:
       contents: read
     timeout-minutes: 5