@@ -77,31 +77,6 @@ jobs:
             - name: Run the date tests
               run: npm run test:unit:date -- --ci --maxWorkers="$(nproc)" --cacheDirectory="$HOME/.jest-cache"
 
-    compute-previous-wordpress-version:
-        name: Compute previous WordPress version
-        runs-on: ubuntu-latest
-        outputs:
-            previous-wordpress-version: ${{ steps.get-previous-wordpress-version.outputs.previous-wordpress-version }}
-
-        steps:
-            - name: Get previous WordPress version
-              id: get-previous-wordpress-version
-              run: |
-                  curl \
-                    -H "Accept: application/json" \
-                    -o versions.json \
-                    "http://api.wordpress.org/core/stable-check/1.0/"
-                  LATEST_WP_VERSION=$(jq --raw-output 'with_entries(select(.value=="latest"))|keys[]' versions.json)
-                  IFS='.' read LATEST_WP_MAJOR LATEST_WP_MINOR LATEST_WP_PATCH <<< "${LATEST_WP_VERSION}"
-                  if [[ ${LATEST_WP_MINOR} == "0" ]]; then
-                    PREVIOUS_WP_SERIES="$((LATEST_WP_MAJOR - 1)).9"
-                  else
-                    PREVIOUS_WP_SERIES="${LATEST_WP_MAJOR}.$((LATEST_WP_MINOR - 1))"
-                  fi
-                  PREVIOUS_WP_VERSION=$(jq --raw-output --arg series "${PREVIOUS_WP_SERIES}" 'with_entries(select(.key|startswith($series)))|keys[-1]' versions.json)
-                  echo "previous-wordpress-version=${PREVIOUS_WP_VERSION}" >> $GITHUB_OUTPUT
-                  rm versions.json
-
     build-assets:
         name: Build JavaScript assets for PHP unit tests
         runs-on: 'ubuntu-24.04'
@@ -125,8 +100,8 @@ jobs:
                       ./build-module/
 
     test-php:
-        name: PHP ${{ matrix.php }}${{ matrix.multisite && ' multisite' || '' }}${{ matrix.wordpress != '' && format( ' (WP {0}) ', matrix.wordpress ) || '' }} on ubuntu-latest
-        needs: [compute-previous-wordpress-version, build-assets]
+        name: PHP ${{ matrix.php }}${{ matrix.multisite && ' multisite' || '' }} on ubuntu-latest
+        needs: [build-assets]
         runs-on: 'ubuntu-24.04'
         timeout-minutes: 20
         if: ${{ github.repository == 'WordPress/gutenberg' || github.event_name == 'pull_request' }}
@@ -141,19 +116,9 @@ jobs:
                     - '8.1'
                     - '8.2'
                 multisite: [false, true]
-                wordpress: [''] # Latest WordPress version.
-                include:
-                    # Test with the previous WP version.
-                    - php: '7.2'
-                      wordpress: 'previous major version'
-                    - php: '7.4'
-                      wordpress: 'previous major version'
-                    - php: '8.2'
-                      wordpress: 'previous major version'
 
         env:
             WP_ENV_PHP_VERSION: ${{ matrix.php }}
-            WP_ENV_CORE: ${{ matrix.wordpress == '' && 'WordPress/WordPress' || format( 'https://wordpress.org/wordpress-{0}.zip', needs.compute-previous-wordpress-version.outputs.previous-wordpress-version ) }}
 
         steps:
             - name: Checkout repository
 
@@ -1,6 +1,6 @@
 {
 	"$schema": "./schemas/json/wp-env.json",
-	"core": "WordPress/WordPress",
+	"core": "WordPress/WordPress#6.7-branch",
 	"plugins": [ "." ],
 	"themes": [ "./test/emptytheme" ],
 	"env": {
Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`{`
`2`	`2`	`"$schema": "./schemas/json/wp-env.json",`
`3`		`- "core": "WordPress/WordPress",`
	`3`	`+ "core": "WordPress/WordPress#6.7-branch",`
`4`	`4`	`"plugins": [ "." ],`
`5`	`5`	`"themes": [ "./test/emptytheme" ],`
`6`	`6`	`"env": {`