From 3403b09baf1eb846a6af15a9c98ba65233c7d302 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Thu, 5 Nov 2026 16:37:43 -0500
Subject: [PATCH 1/2] Build/Test Tools: Update GitHub-hosted runners to Ubuntu
 26.04.

This updates the GitHub-hosted Ubuntu runners used in GitHub Actions workflows to `ubuntu-26.04`.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011Y86gzNmrCaBaUCqQTNKYH
---
 .github/workflows/coding-standards.yml     |  2 +-
 .github/workflows/javascript-tests.yml     |  2 +-
 .github/workflows/php-compatibility.yml    |  2 +-
 .github/workflows/phpunit-tests.yml        | 12 ++++++------
 .github/workflows/test-build-processes.yml |  6 +++---
 5 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/.github/workflows/coding-standards.yml b/.github/workflows/coding-standards.yml
index 27558283d74ff..b15dbd6a3db81 100644
--- a/.github/workflows/coding-standards.yml
+++ b/.github/workflows/coding-standards.yml
@@ -77,7 +77,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       actions: write
     needs: [ phpcs, jshint, slack-notifications ]
diff --git a/.github/workflows/javascript-tests.yml b/.github/workflows/javascript-tests.yml
index 06c9a749ca3ff..41b63ed41f130 100644
--- a/.github/workflows/javascript-tests.yml
+++ b/.github/workflows/javascript-tests.yml
@@ -67,7 +67,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       actions: write
     needs: [ test-js, slack-notifications ]
diff --git a/.github/workflows/php-compatibility.yml b/.github/workflows/php-compatibility.yml
index b4e39508f6216..596aaedbfb779 100644
--- a/.github/workflows/php-compatibility.yml
+++ b/.github/workflows/php-compatibility.yml
@@ -63,7 +63,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       actions: write
     needs: [ php-compatibility, slack-notifications ]
diff --git a/.github/workflows/phpunit-tests.yml b/.github/workflows/phpunit-tests.yml
index a196f2d83c191..fb3950447c52e 100644
--- a/.github/workflows/phpunit-tests.yml
+++ b/.github/workflows/phpunit-tests.yml
@@ -39,7 +39,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest ]
+        os: [ ubuntu-26.04 ]
         php: [ '5.6', '7.0', '7.4', '8.0' ]
         multisite: [ false, true ]
         split_slow: [ false ]
@@ -47,23 +47,23 @@ jobs:
         include:
           # Additional "slow" jobs for PHP 5.6.
           - php: '5.6'
-            os: ubuntu-latest
+            os: ubuntu-26.04
             memcached: false
             multisite: false
             split_slow: true
           - php: '5.6'
-            os: ubuntu-latest
+            os: ubuntu-26.04
             memcached: false
             multisite: true
             split_slow: true
           # Include jobs for PHP 7.4 with memcached.
           - php: '7.4'
-            os: ubuntu-latest
+            os: ubuntu-26.04
             memcached: true
             multisite: false
             split_slow: false
           - php: '7.4'
-            os: ubuntu-latest
+            os: ubuntu-26.04
             memcached: true
             multisite: true
             split_slow: false
@@ -93,7 +93,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       actions: write
     needs: [ slack-notifications ]
diff --git a/.github/workflows/test-build-processes.yml b/.github/workflows/test-build-processes.yml
index bd1527c0a7326..0edb5884a1efd 100644
--- a/.github/workflows/test-build-processes.yml
+++ b/.github/workflows/test-build-processes.yml
@@ -45,11 +45,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-latest, windows-latest ]
+        os: [ ubuntu-26.04, windows-latest ]
         directory: [ 'src', 'build' ]
         include:
           # Only prepare artifacts once.
-          - os: ubuntu-latest
+          - os: ubuntu-26.04
             directory: 'build'
             prepare-playground: true
     with:
@@ -100,7 +100,7 @@ jobs:
 
   failed-workflow:
     name: Failed workflow tasks
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       actions: write
     needs: [ slack-notifications ]

From 25becc4640812bacfb8a4051af2fba3ce8eab891 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <359867+desrosj@users.noreply.github.com>
Date: Thu, 5 Nov 2026 17:22:02 -0500
Subject: [PATCH 2/2] Build/Test Tools: Pin the Windows runner version.

This replaces `windows-latest` with `windows-2025`, matching trunk. The macOS jobs already use `macos-15-intel`, which is required for Node.js 14.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011Y86gzNmrCaBaUCqQTNKYH
---
 .github/workflows/test-build-processes.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test-build-processes.yml b/.github/workflows/test-build-processes.yml
index 0edb5884a1efd..8bbd823d24fb4 100644
--- a/.github/workflows/test-build-processes.yml
+++ b/.github/workflows/test-build-processes.yml
@@ -45,7 +45,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-26.04, windows-latest ]
+        os: [ ubuntu-26.04, windows-2025 ]
         directory: [ 'src', 'build' ]
         include:
           # Only prepare artifacts once.