From 3a624d84b8e890b4572fd0936451ff36c2d89edf Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Thu, 24 Jul 2025 16:55:00 -0400
Subject: [PATCH 01/17] Run a limited number of test combinations on forks

---
 .github/workflows/phpunit-tests.yml | 73 +++++++++++++++++++++++++++--
 src/wp-activate.php                 |  1 +
 2 files changed, 69 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/phpunit-tests.yml b/.github/workflows/phpunit-tests.yml
index d266b40fb249b..bfe9aece52161 100644
--- a/.github/workflows/phpunit-tests.yml
+++ b/.github/workflows/phpunit-tests.yml
@@ -63,7 +63,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:
@@ -140,7 +140,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:
@@ -190,7 +190,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:
@@ -235,7 +235,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:
@@ -249,13 +249,76 @@ jobs:
       db-version: ${{ matrix.db-version }}
       phpunit-test-groups: ${{ matrix.phpunit-test-groups }}
 
+  limited-matrix-for-forks-mysql:
+    name: PHP ${{ matrix.php }}
+    uses: ./.github/workflows/reusable-phpunit-tests-v3.yml
+    permissions:
+      contents: read
+    secrets: inherit
+    if: ${{ github.repository != 'WordPress/wordpress-develop' && github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [ '7.2', '8.4' ]
+        db-version: [ '5.7', '8.4' ]
+        multisite: [ true, false ]
+        memcached: [ false ]
+
+        include:
+          # Include jobs that test with memcached.
+          - php: '8.4'
+            db-version: '8.4'
+            memcached: true
+          # Run specific test groups once.
+          - php: '8.4'
+            db-version: '8.4'
+            memcached: false
+            phpunit-test-groups: 'html-api-html5lib-tests'
+    with:
+      php: ${{ matrix.php }}
+      db-version: ${{ matrix.db-version }}
+      memcached: ${{ matrix.memcached }}
+      phpunit-test-groups: ${{ matrix.phpunit-test-groups || '' }}
+
+  limited-matrix-for-forks-mariadb:
+    name: PHP ${{ matrix.php }}
+    uses: ./.github/workflows/reusable-phpunit-tests-v3.yml
+    permissions:
+      contents: read
+    secrets: inherit
+    if: ${{ github.repository != 'WordPress/wordpress-develop' && github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' }}
+    strategy:
+      fail-fast: false
+      matrix:
+        php: [ '7.2', '8.4' ]
+        db-version: [ '5.5', '11.8' ]
+        multisite: [ true, false ]
+        memcached: [ false ]
+
+        include:
+          # Include jobs that test with memcached.
+          - php: '8.4'
+            db-version: '11.8'
+            memcached: true
+          # Run specific test groups once.
+          - php: '8.4'
+            db-version: '11.8'
+            memcached: false
+            phpunit-test-groups: 'html-api-html5lib-tests'
+    with:
+      php: ${{ matrix.php }}
+      db-type: 'mariadb'
+      db-version: ${{ matrix.db-version }}
+      memcached: ${{ matrix.memcached }}
+      phpunit-test-groups: ${{ matrix.phpunit-test-groups || '' }}
+
   slack-notifications:
     name: Slack Notifications
     uses: ./.github/workflows/slack-notifications.yml
     permissions:
       actions: read
       contents: read
-    needs: [ test-with-mysql, test-with-mariadb, test-innovation-releases, specific-test-groups ]
+    needs: [ test-with-mysql, test-with-mariadb, test-innovation-releases, specific-test-groups, limited-matrix-for-forks-mysql, limited-matrix-for-forks-mariadb ]
     if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event_name != 'pull_request' && always() }}
     with:
       calling_status: ${{ contains( needs.*.result, 'cancelled' ) && 'cancelled' || contains( needs.*.result, 'failure' ) && 'failure' || 'success' }}
diff --git a/src/wp-activate.php b/src/wp-activate.php
index f4fd8d76c31a7..2ba58ee76f131 100644
--- a/src/wp-activate.php
+++ b/src/wp-activate.php
@@ -23,6 +23,7 @@
 list( $activate_path ) = explode( '?', wp_unslash( $_SERVER['REQUEST_URI'] ) );
 $activate_cookie       = 'wp-activate-' . COOKIEHASH;
 
+
 $key    = '';
 $result = null;
 

From 35e20e7b51ebafcf90cc72ee04212ab7e326654e Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 12:15:04 -0400
Subject: [PATCH 02/17] Pare down test combinations more.

---
 .github/workflows/phpunit-tests.yml | 58 ++++++++++-------------------
 1 file changed, 19 insertions(+), 39 deletions(-)

diff --git a/.github/workflows/phpunit-tests.yml b/.github/workflows/phpunit-tests.yml
index bfe9aece52161..0392b95f9b5d3 100644
--- a/.github/workflows/phpunit-tests.yml
+++ b/.github/workflows/phpunit-tests.yml
@@ -249,7 +249,7 @@ jobs:
       db-version: ${{ matrix.db-version }}
       phpunit-test-groups: ${{ matrix.phpunit-test-groups }}
 
-  limited-matrix-for-forks-mysql:
+  limited-matrix-for-forks:
     name: PHP ${{ matrix.php }}
     uses: ./.github/workflows/reusable-phpunit-tests-v3.yml
     permissions:
@@ -260,56 +260,36 @@ jobs:
       fail-fast: false
       matrix:
         php: [ '7.2', '8.4' ]
-        db-version: [ '5.7', '8.4' ]
-        multisite: [ true, false ]
-        memcached: [ false ]
+        db-version: [ '8.4', '11.8' ]
+        db-type: [ 'mysql', 'mariadb' ]
+        multisite: [ false ]
 
         include:
-          # Include jobs that test with memcached.
+          # Include one multisite job for each database type.
           - php: '8.4'
             db-version: '8.4'
-            memcached: true
-          # Run specific test groups once.
-          - php: '8.4'
-            db-version: '8.4'
-            memcached: false
-            phpunit-test-groups: 'html-api-html5lib-tests'
-    with:
-      php: ${{ matrix.php }}
-      db-version: ${{ matrix.db-version }}
-      memcached: ${{ matrix.memcached }}
-      phpunit-test-groups: ${{ matrix.phpunit-test-groups || '' }}
-
-  limited-matrix-for-forks-mariadb:
-    name: PHP ${{ matrix.php }}
-    uses: ./.github/workflows/reusable-phpunit-tests-v3.yml
-    permissions:
-      contents: read
-    secrets: inherit
-    if: ${{ github.repository != 'WordPress/wordpress-develop' && github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' }}
-    strategy:
-      fail-fast: false
-      matrix:
-        php: [ '7.2', '8.4' ]
-        db-version: [ '5.5', '11.8' ]
-        multisite: [ true, false ]
-        memcached: [ false ]
-
-        include:
-          # Include jobs that test with memcached.
+            db-type: 'mysql'
+            multisite: true
           - php: '8.4'
             db-version: '11.8'
+            db-type: 'mariadb'
+            multisite: true
+          # Test with memcached.
+          - php: '8.4'
+            db-version: '8.4'
+            db-type: 'mysql'
+            multisite: true
             memcached: true
           # Run specific test groups once.
           - php: '8.4'
-            db-version: '11.8'
-            memcached: false
+            db-version: '8.4'
+            db-type: 'mysql'
             phpunit-test-groups: 'html-api-html5lib-tests'
     with:
       php: ${{ matrix.php }}
-      db-type: 'mariadb'
       db-version: ${{ matrix.db-version }}
-      memcached: ${{ matrix.memcached }}
+      db-type: ${{ matrix.db-type }}
+      memcached: ${{ matrix.memcached || false }}
       phpunit-test-groups: ${{ matrix.phpunit-test-groups || '' }}
 
   slack-notifications:
@@ -318,7 +298,7 @@ jobs:
     permissions:
       actions: read
       contents: read
-    needs: [ test-with-mysql, test-with-mariadb, test-innovation-releases, specific-test-groups, limited-matrix-for-forks-mysql, limited-matrix-for-forks-mariadb ]
+    needs: [ test-with-mysql, test-with-mariadb, test-innovation-releases, specific-test-groups, limited-matrix-for-forks ]
     if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event_name != 'pull_request' && always() }}
     with:
       calling_status: ${{ contains( needs.*.result, 'cancelled' ) && 'cancelled' || contains( needs.*.result, 'failure' ) && 'failure' || 'success' }}

From e3e121d894b9f3de1c1b84239093cc09d667da31 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 12:21:10 -0400
Subject: [PATCH 03/17] Disable install testing on forks.

---
 .github/workflows/install-testing.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/install-testing.yml b/.github/workflows/install-testing.yml
index 6d6caf246a347..a149f3205c255 100644
--- a/.github/workflows/install-testing.yml
+++ b/.github/workflows/install-testing.yml
@@ -47,7 +47,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     with:
       wp-version: ${{ inputs.wp-version }}
 
@@ -63,7 +63,7 @@ jobs:
     permissions:
       contents: read
     runs-on: ${{ matrix.os }}
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     timeout-minutes: 10
     needs: [ build-test-matrix ]
     strategy:

From 6682e5f2989478abc74c0b53b7ad9fcab619bcbc Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 12:21:52 -0400
Subject: [PATCH 04/17] Disable local environment testing on forks.

---
 .github/workflows/local-docker-environment.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/local-docker-environment.yml b/.github/workflows/local-docker-environment.yml
index d8312015f621c..ada357bf2eb6a 100644
--- a/.github/workflows/local-docker-environment.yml
+++ b/.github/workflows/local-docker-environment.yml
@@ -73,7 +73,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     with:
       wp-version: ${{ github.event_name == 'pull_request' && github.base_ref || github.ref_name }}
 

From 1ae2b8fb3c9b285583d015940e85b6d2667321b6 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 12:23:09 -0400
Subject: [PATCH 05/17] Disable upgrade testing on forks.

---
 .github/workflows/upgrade-develop-testing.yml |  2 +-
 .github/workflows/upgrade-testing.yml         | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/upgrade-develop-testing.yml b/.github/workflows/upgrade-develop-testing.yml
index b24fd5fea220d..2dc200b041c49 100644
--- a/.github/workflows/upgrade-develop-testing.yml
+++ b/.github/workflows/upgrade-develop-testing.yml
@@ -54,7 +54,7 @@ jobs:
   upgrade-tests-develop:
     name: Upgrade from ${{ matrix.wp }}
     uses: ./.github/workflows/reusable-upgrade-testing.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     needs: [ build ]
     strategy:
       fail-fast: false
diff --git a/.github/workflows/upgrade-testing.yml b/.github/workflows/upgrade-testing.yml
index 9694433b57a44..2fac7fdee192f 100644
--- a/.github/workflows/upgrade-testing.yml
+++ b/.github/workflows/upgrade-testing.yml
@@ -58,7 +58,7 @@ jobs:
   upgrade-tests-recent-releases:
     name: ${{ matrix.wp }} to ${{ inputs.new-version && inputs.new-version || 'latest' }}
     uses: ./.github/workflows/reusable-upgrade-testing.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:
@@ -93,7 +93,7 @@ jobs:
   upgrade-tests-wp-6x-mysql:
     name: ${{ matrix.wp }} to ${{ inputs.new-version && inputs.new-version || 'latest' }}
     uses: ./.github/workflows/reusable-upgrade-testing.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:
@@ -121,7 +121,7 @@ jobs:
   upgrade-tests-wp-5x-php-7x-mysql:
     name: ${{ matrix.wp }} to ${{ inputs.new-version && inputs.new-version || 'latest' }}
     uses: ./.github/workflows/reusable-upgrade-testing.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:
@@ -153,7 +153,7 @@ jobs:
   upgrade-tests-wp-5x-php-8x-mysql:
     name: ${{ matrix.wp }} to ${{ inputs.new-version && inputs.new-version || 'latest' }}
     uses: ./.github/workflows/reusable-upgrade-testing.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:
@@ -181,7 +181,7 @@ jobs:
   upgrade-tests-oldest-wp-mysql:
     name: ${{ matrix.wp }} to ${{ inputs.new-version && inputs.new-version || 'latest' }}
     uses: ./.github/workflows/reusable-upgrade-testing.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:

From 65bd314436ff8da86c2accfa8b9a4032bae10ef3 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 12:23:59 -0400
Subject: [PATCH 06/17] Don't confirm Gutenberg build process in forks.

---
 .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 966a458550dc3..f02c226b32de3 100644
--- a/.github/workflows/test-build-processes.yml
+++ b/.github/workflows/test-build-processes.yml
@@ -99,7 +99,7 @@ jobs:
     uses: ./.github/workflows/reusable-test-gutenberg-build-process.yml
     permissions:
       contents: read
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:

From 5ec2f07ac3e8b02916851226fd5b730ffc33f15a Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 12:24:45 -0400
Subject: [PATCH 07/17] Don't create and upload theme Zip files on forks.

---
 .github/workflows/test-and-zip-default-themes.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test-and-zip-default-themes.yml b/.github/workflows/test-and-zip-default-themes.yml
index 49b7522cfe1a7..56cc2e9895cd2 100644
--- a/.github/workflows/test-and-zip-default-themes.yml
+++ b/.github/workflows/test-and-zip-default-themes.yml
@@ -189,7 +189,7 @@ jobs:
       contents: read
     needs: [ check-for-empty-files, test-build-scripts ]
     timeout-minutes: 10
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || github.event_name == 'pull_request' }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
     strategy:
       fail-fast: false
       matrix:

From 1c5149b82aa2d63aabaa0727141bd356cabddecb Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 12:30:43 -0400
Subject: [PATCH 08/17] Exclude non-existent combinations.

---
 .github/workflows/phpunit-tests.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/workflows/phpunit-tests.yml b/.github/workflows/phpunit-tests.yml
index 0392b95f9b5d3..118fe6614d608 100644
--- a/.github/workflows/phpunit-tests.yml
+++ b/.github/workflows/phpunit-tests.yml
@@ -285,6 +285,14 @@ jobs:
             db-version: '8.4'
             db-type: 'mysql'
             phpunit-test-groups: 'html-api-html5lib-tests'
+
+        exclude:
+          # Exclude PHP versions that are not supported by the database versions.
+          - db-type: 'mysql'
+            db-version: '11.8'
+          - db-type: 'mariadb'
+            db-version: '8.4'
+
     with:
       php: ${{ matrix.php }}
       db-version: ${{ matrix.db-version }}

From e08b9bdd41e047b63ec92786dbb3ae1d12e9b437 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 12:32:39 -0400
Subject: [PATCH 09/17] Exclude memcache jobs in forks.

---
 .github/workflows/performance.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/performance.yml b/.github/workflows/performance.yml
index b9ef6af19f8c2..9cd88204c8512 100644
--- a/.github/workflows/performance.yml
+++ b/.github/workflows/performance.yml
@@ -92,6 +92,7 @@ jobs:
   performance:
     name: ${{ matrix.multisite && 'Multisite' || 'Single Site' }} ${{ matrix.memcached && 'Memcached' || 'Default' }}
     uses: ./.github/workflows/reusable-performance-test-v2.yml
+    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && ! matrix.memcached ) }}
     needs: [ determine-matrix ]
     permissions:
       contents: read

From 228e58513253f1e31311521454db8e738a3b597a Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 12:38:05 -0400
Subject: [PATCH 10/17] The `matrix` context is not available within `if`

---
 .github/workflows/performance.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/performance.yml b/.github/workflows/performance.yml
index 9cd88204c8512..e8b4e773aa67a 100644
--- a/.github/workflows/performance.yml
+++ b/.github/workflows/performance.yml
@@ -92,7 +92,7 @@ jobs:
   performance:
     name: ${{ matrix.multisite && 'Multisite' || 'Single Site' }} ${{ matrix.memcached && 'Memcached' || 'Default' }}
     uses: ./.github/workflows/reusable-performance-test-v2.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && ! matrix.memcached ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
     needs: [ determine-matrix ]
     permissions:
       contents: read

From ad6613dac4676260cac4c92e40d6f2098979c802 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 13:08:50 -0400
Subject: [PATCH 11/17] Add a limited number of upgrade tests.

---
 .github/workflows/upgrade-develop-testing.yml | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/.github/workflows/upgrade-develop-testing.yml b/.github/workflows/upgrade-develop-testing.yml
index 2dc200b041c49..f6ccff089dd4c 100644
--- a/.github/workflows/upgrade-develop-testing.yml
+++ b/.github/workflows/upgrade-develop-testing.yml
@@ -83,6 +83,36 @@ jobs:
       new-version: develop
       multisite: ${{ matrix.multisite }}
 
+  # Run a limited set of upgrade tests for the current branch on forks.
+  upgrade-tests-develop-forks:
+    name: Upgrade from ${{ matrix.wp }}
+    uses: ./.github/workflows/reusable-upgrade-testing.yml
+    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
+    needs: [ build ]
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ 'ubuntu-24.04' ]
+        php: [ '7.2', '8.4' ]
+        db-type: [ 'mysql' ]
+        db-version: [ '8.4' ]
+        # WordPress 4.9 is the oldest version that supports PHP 7.2.
+        wp: [ '6.7', '6.8' ]
+        multisite: [ false, true ]
+
+        exclude:
+          # The PHP <= 7.3/MySQL 8.4 jobs currently fail due to mysql_native_password being disabled by default. See https://core.trac.wordpress.org/ticket/61218.
+          - php: '7.2'
+            db-version: '8.4'
+    with:
+      os: ${{ matrix.os }}
+      php: ${{ matrix.php }}
+      db-type: ${{ matrix.db-type }}
+      db-version: ${{ matrix.db-version }}
+      wp: ${{ matrix.wp }}
+      new-version: develop
+      multisite: ${{ matrix.multisite }}
+
   slack-notifications:
     name: Slack Notifications
     uses: ./.github/workflows/slack-notifications.yml

From e9a58db954e0eb1fcf3112e5acc66c03c9dc772f Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 13:12:36 -0400
Subject: [PATCH 12/17] Remove new condition for performance workflow.

---
 .github/workflows/performance.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/.github/workflows/performance.yml b/.github/workflows/performance.yml
index e8b4e773aa67a..b9ef6af19f8c2 100644
--- a/.github/workflows/performance.yml
+++ b/.github/workflows/performance.yml
@@ -92,7 +92,6 @@ jobs:
   performance:
     name: ${{ matrix.multisite && 'Multisite' || 'Single Site' }} ${{ matrix.memcached && 'Memcached' || 'Default' }}
     uses: ./.github/workflows/reusable-performance-test-v2.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
     needs: [ determine-matrix ]
     permissions:
       contents: read

From b01cd498f319a49eacd3e0a22547e3aa177072a7 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 13:19:54 -0400
Subject: [PATCH 13/17] Add some inline docs.

---
 .github/workflows/phpunit-tests.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/workflows/phpunit-tests.yml b/.github/workflows/phpunit-tests.yml
index 118fe6614d608..3e4c68519b8fb 100644
--- a/.github/workflows/phpunit-tests.yml
+++ b/.github/workflows/phpunit-tests.yml
@@ -249,6 +249,13 @@ jobs:
       db-version: ${{ matrix.db-version }}
       phpunit-test-groups: ${{ matrix.phpunit-test-groups }}
 
+  #
+  # Runs unit tests for forks.
+  #
+  # Because the majority of forks will belong to personal GitHub accounts (which are limited to just 20 concurrent jobs
+  # at any given time), forks only run a small subset of test combinations. This allows contributors to open pull
+  # requests back to their own forks for testing purposes without having to wait hours for workflow to complete.
+  #
   limited-matrix-for-forks:
     name: PHP ${{ matrix.php }}
     uses: ./.github/workflows/reusable-phpunit-tests-v3.yml

From 4439ce854fed6dc602293a4e95af42a9752441fe Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 14:13:07 -0400
Subject: [PATCH 14/17] Adjust conditions for upgrade develop testing.

---
 .github/workflows/upgrade-develop-testing.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/upgrade-develop-testing.yml b/.github/workflows/upgrade-develop-testing.yml
index f6ccff089dd4c..f5e61ae7ad572 100644
--- a/.github/workflows/upgrade-develop-testing.yml
+++ b/.github/workflows/upgrade-develop-testing.yml
@@ -47,6 +47,7 @@ jobs:
   build:
     name: Build
     uses: ./.github/workflows/reusable-build-package.yml
+    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
     permissions:
       contents: read
 
@@ -87,7 +88,7 @@ jobs:
   upgrade-tests-develop-forks:
     name: Upgrade from ${{ matrix.wp }}
     uses: ./.github/workflows/reusable-upgrade-testing.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
+    if: ${{ github.repository != 'WordPress/wordpress-develop' }}
     needs: [ build ]
     strategy:
       fail-fast: false

From 7f9f932f909e6f518d0779b43b477a09f4c27d52 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 14:13:51 -0400
Subject: [PATCH 15/17] Fix typo in context value.

---
 .github/workflows/upgrade-develop-testing.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/upgrade-develop-testing.yml b/.github/workflows/upgrade-develop-testing.yml
index f5e61ae7ad572..2cab18e2be200 100644
--- a/.github/workflows/upgrade-develop-testing.yml
+++ b/.github/workflows/upgrade-develop-testing.yml
@@ -47,7 +47,7 @@ jobs:
   build:
     name: Build
     uses: ./.github/workflows/reusable-build-package.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
     permissions:
       contents: read
 

From 6cdc7f7987b444519f7a7c0f0e1c10d5d1432129 Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 25 Jul 2025 15:45:38 -0400
Subject: [PATCH 16/17] Avoid testing the build process on Windows in forks

---
 .github/workflows/test-build-processes.yml | 33 ++++++++++------------
 1 file changed, 15 insertions(+), 18 deletions(-)

diff --git a/.github/workflows/test-build-processes.yml b/.github/workflows/test-build-processes.yml
index f02c226b32de3..dc0b233c60c2b 100644
--- a/.github/workflows/test-build-processes.yml
+++ b/.github/workflows/test-build-processes.yml
@@ -55,30 +55,28 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-24.04, windows-2022 ]
         directory: [ 'src', 'build' ]
         include:
           # Only prepare artifacts for Playground once.
-          - os: ubuntu-24.04
-            directory: 'build'
+          - directory: 'build'
             save-build: true
             prepare-playground: ${{ github.event_name == 'pull_request' && true || '' }}
-
     with:
-      os: ${{ matrix.os }}
+      os: 'ubuntu-24.04'
       directory: ${{ matrix.directory }}
       save-build: ${{ matrix.save-build && matrix.save-build || false }}
       prepare-playground: ${{ matrix.prepare-playground && matrix.prepare-playground || false }}
 
-  # Tests the WordPress Core build process on MacOS.
+  # Tests the WordPress Core build process on additional operating systems.
   #
-  # This is separate from the job above in order to use stricter conditions when determining when to run.
-  # This avoids unintentionally consuming excessive minutes, as MacOS jobs consume minutes at a 10x rate.
+  # This is separate from the job above in order to use stricter conditions when determining when to test additional
+  # operating systems. This avoids unintentionally consuming excessive minutes, as Windows-based jobs consume minutes at
+  # a 2x rate, and MacOS-based jobs at a 10x rate.
   #
   # The `matrix` and `runner` contexts are not available for use within `if` expressions. So there is
   # currently no way to determine the OS being used on a given job.
   # See https://docs.github.com/en/actions/learn-github-actions/contexts#context-availability.
-  test-core-build-process-macos:
+  test-core-build-process-extended:
     name: Core running from ${{ matrix.directory }}
     uses: ./.github/workflows/reusable-test-core-build-process.yml
     permissions:
@@ -87,7 +85,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ macos-14 ]
+        os: [ 'macos-14', 'windows-2022' ]
         directory: [ 'src', 'build' ]
     with:
       os: ${{ matrix.os }}
@@ -103,21 +101,20 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ ubuntu-24.04, windows-2022 ]
         directory: [ 'src', 'build' ]
     with:
-      os: ${{ matrix.os }}
       directory: ${{ matrix.directory }}
 
-  # Tests the Gutenberg plugin build process on MacOS when run within a wordpress-develop checkout.
+  # Tests the Gutenberg plugin build process on additional operating systems.
   #
-  # This is separate from the job above in order to use stricter conditions when determining when to run.
-  # This avoids unintentionally consuming excessive minutes, as MacOS jobs consume minutes at a 10x rate.
+  # This is separate from the job above in order to use stricter conditions when determining when to test additional
+  # operating systems. This avoids unintentionally consuming excessive minutes, as Windows-based jobs consume minutes at
+  # a 2x rate, and MacOS-based jobs at a 10x rate.
   #
   # The `matrix` and `runner` contexts are not available for use within `if` expressions. So there is
   # currently no way to determine the OS being used on a given job.
   # See https://docs.github.com/en/actions/learn-github-actions/contexts#context-availability.
-  test-gutenberg-build-process-macos:
+  test-gutenberg-build-process-extended:
     name: Gutenberg running from ${{ matrix.directory }}
     uses: ./.github/workflows/reusable-test-gutenberg-build-process.yml
     permissions:
@@ -126,7 +123,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ macos-14 ]
+        os: [ 'macos-14', 'windows-2022' ]
         directory: [ 'src', 'build' ]
     with:
       os: ${{ matrix.os }}
@@ -138,7 +135,7 @@ jobs:
     permissions:
       actions: read
       contents: read
-    needs: [ test-core-build-process, test-core-build-process-macos, test-gutenberg-build-process, test-gutenberg-build-process-macos ]
+    needs: [ test-core-build-process, test-core-build-process-extended, test-gutenberg-build-process, test-gutenberg-build-process-extended ]
     if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event_name != 'pull_request' && always() }}
     with:
       calling_status: ${{ contains( needs.*.result, 'cancelled' ) && 'cancelled' || contains( needs.*.result, 'failure' ) && 'failure' || 'success' }}

From 9f378b1b242f759cce4daae27058b771ea7c690a Mon Sep 17 00:00:00 2001
From: Jonathan Desrosiers <desrosj@users.noreply.github.com>
Date: Fri, 1 Aug 2025 07:34:39 -0400
Subject: [PATCH 17/17] Run the full test suite on organization forks.

---
 .github/workflows/phpunit-tests.yml           | 10 +++----
 .github/workflows/test-build-processes.yml    | 28 +++++++++++--------
 .github/workflows/upgrade-develop-testing.yml |  2 +-
 3 files changed, 23 insertions(+), 17 deletions(-)

diff --git a/.github/workflows/phpunit-tests.yml b/.github/workflows/phpunit-tests.yml
index 3e4c68519b8fb..81a5f159b5981 100644
--- a/.github/workflows/phpunit-tests.yml
+++ b/.github/workflows/phpunit-tests.yml
@@ -63,7 +63,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
+    if: ${{ startsWith( github.repository, 'WordPress/' ) && ( github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) ) }}
     strategy:
       fail-fast: false
       matrix:
@@ -140,7 +140,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
+    if: ${{ startsWith( github.repository, 'WordPress/' ) && ( github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) ) }}
     strategy:
       fail-fast: false
       matrix:
@@ -190,7 +190,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
+    if: ${{ startsWith( github.repository, 'WordPress/' ) && ( github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) ) }}
     strategy:
       fail-fast: false
       matrix:
@@ -235,7 +235,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository == 'WordPress/wordpress-develop' }}
+    if: ${{ startsWith( github.repository, 'WordPress/' ) && ( github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) ) }}
     strategy:
       fail-fast: false
       matrix:
@@ -262,7 +262,7 @@ jobs:
     permissions:
       contents: read
     secrets: inherit
-    if: ${{ github.repository != 'WordPress/wordpress-develop' && github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' }}
+    if: ${{ ! startsWith( github.repository, 'WordPress/' ) && github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' }}
     strategy:
       fail-fast: false
       matrix:
diff --git a/.github/workflows/test-build-processes.yml b/.github/workflows/test-build-processes.yml
index dc0b233c60c2b..559dd0a92a1c4 100644
--- a/.github/workflows/test-build-processes.yml
+++ b/.github/workflows/test-build-processes.yml
@@ -45,7 +45,7 @@ concurrency:
 permissions: {}
 
 jobs:
-  # Tests the WordPress Core build process on multiple operating systems.
+  # Tests the WordPress Core build process.
   test-core-build-process:
     name: Core running from ${{ matrix.directory }}
     uses: ./.github/workflows/reusable-test-core-build-process.yml
@@ -55,14 +55,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        os: [ 'ubuntu-24.04' ]
         directory: [ 'src', 'build' ]
         include:
           # Only prepare artifacts for Playground once.
-          - directory: 'build'
+          - os: 'ubuntu-24.04'
+            directory: 'build'
             save-build: true
             prepare-playground: ${{ github.event_name == 'pull_request' && true || '' }}
     with:
-      os: 'ubuntu-24.04'
+      os: ${{ matrix.os }}
       directory: ${{ matrix.directory }}
       save-build: ${{ matrix.save-build && matrix.save-build || false }}
       prepare-playground: ${{ matrix.prepare-playground && matrix.prepare-playground || false }}
@@ -70,13 +72,14 @@ jobs:
   # Tests the WordPress Core build process on additional operating systems.
   #
   # This is separate from the job above in order to use stricter conditions when determining when to test additional
-  # operating systems. This avoids unintentionally consuming excessive minutes, as Windows-based jobs consume minutes at
-  # a 2x rate, and MacOS-based jobs at a 10x rate.
+  # operating systems. This avoids unintentionally consuming excessive minutes. Windows-based jobs consume minutes at a
+  # 2x rate, and MacOS-based jobs at a 10x rate.
+  # See https://docs.github.com/en/billing/concepts/product-billing/github-actions#per-minute-rates.
   #
   # The `matrix` and `runner` contexts are not available for use within `if` expressions. So there is
   # currently no way to determine the OS being used on a given job.
   # See https://docs.github.com/en/actions/learn-github-actions/contexts#context-availability.
-  test-core-build-process-extended:
+  test-core-build-process-additional-os:
     name: Core running from ${{ matrix.directory }}
     uses: ./.github/workflows/reusable-test-core-build-process.yml
     permissions:
@@ -91,7 +94,7 @@ jobs:
       os: ${{ matrix.os }}
       directory: ${{ matrix.directory }}
 
-  # Tests the Gutenberg plugin build process on multiple operating systems when run within a wordpress-develop checkout.
+  # Tests the Gutenberg plugin build process within a wordpress-develop checkout.
   test-gutenberg-build-process:
     name: Gutenberg running from ${{ matrix.directory }}
     uses: ./.github/workflows/reusable-test-gutenberg-build-process.yml
@@ -101,20 +104,23 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        os: [ 'ubuntu-24.04' ]
         directory: [ 'src', 'build' ]
     with:
+      os: ${{ matrix.os }}
       directory: ${{ matrix.directory }}
 
   # Tests the Gutenberg plugin build process on additional operating systems.
   #
   # This is separate from the job above in order to use stricter conditions when determining when to test additional
-  # operating systems. This avoids unintentionally consuming excessive minutes, as Windows-based jobs consume minutes at
-  # a 2x rate, and MacOS-based jobs at a 10x rate.
+  # operating systems. This avoids unintentionally consuming excessive minutes. Windows-based jobs consume minutes at a
+  # 2x rate, and MacOS-based jobs at a 10x rate.
+  # See https://docs.github.com/en/billing/concepts/product-billing/github-actions#per-minute-rates.
   #
   # The `matrix` and `runner` contexts are not available for use within `if` expressions. So there is
   # currently no way to determine the OS being used on a given job.
   # See https://docs.github.com/en/actions/learn-github-actions/contexts#context-availability.
-  test-gutenberg-build-process-extended:
+  test-gutenberg-build-process-additional-os:
     name: Gutenberg running from ${{ matrix.directory }}
     uses: ./.github/workflows/reusable-test-gutenberg-build-process.yml
     permissions:
@@ -135,7 +141,7 @@ jobs:
     permissions:
       actions: read
       contents: read
-    needs: [ test-core-build-process, test-core-build-process-extended, test-gutenberg-build-process, test-gutenberg-build-process-extended ]
+    needs: [ test-core-build-process, test-core-build-process-additional-os, test-gutenberg-build-process, test-gutenberg-build-process-additional-os ]
     if: ${{ github.repository == 'WordPress/wordpress-develop' && github.event_name != 'pull_request' && always() }}
     with:
       calling_status: ${{ contains( needs.*.result, 'cancelled' ) && 'cancelled' || contains( needs.*.result, 'failure' ) && 'failure' || 'success' }}
diff --git a/.github/workflows/upgrade-develop-testing.yml b/.github/workflows/upgrade-develop-testing.yml
index 2cab18e2be200..ad5211f271f4d 100644
--- a/.github/workflows/upgrade-develop-testing.yml
+++ b/.github/workflows/upgrade-develop-testing.yml
@@ -47,7 +47,7 @@ jobs:
   build:
     name: Build
     uses: ./.github/workflows/reusable-build-package.yml
-    if: ${{ github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) }}
+    if: ${{ startsWith( github.repository, 'WordPress/' ) && ( github.repository == 'WordPress/wordpress-develop' || ( github.event_name == 'pull_request' && github.actor != 'dependabot[bot]' ) ) }}
     permissions:
       contents: read