diff --git a/.github/workflows/phpunit-mariadb.yml b/.github/workflows/phpunit-mariadb.yml
index 02082a5a..e4b01463 100644
--- a/.github/workflows/phpunit-mariadb.yml
+++ b/.github/workflows/phpunit-mariadb.yml
@@ -8,13 +8,7 @@
 
 name: PHPUnit MariaDB
 
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-      - master
-      - stable*
+on: pull_request
 
 permissions:
   contents: read
@@ -32,6 +26,8 @@ jobs:
     steps:
       - name: Checkout app
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          persist-credentials: false
 
       - name: Get version matrix
         id: versions
@@ -74,21 +70,22 @@ jobs:
       matrix:
         php-versions: ${{ fromJson(needs.matrix.outputs.php-version) }}
         server-versions: ${{ fromJson(needs.matrix.outputs.server-max) }}
-        mariadb-versions: ['10.6', '10.11']
+        mariadb-versions: ['10.6', '10.11', '11.8']
 
     name: MariaDB ${{ matrix.mariadb-versions }} PHP ${{ matrix.php-versions }} Nextcloud ${{ matrix.server-versions }}
 
     services:
       mariadb:
-        image: ghcr.io/nextcloud/continuous-integration-mariadb-${{ matrix.mariadb-versions }}:latest
+        image: ghcr.io/nextcloud/continuous-integration-mariadb-${{ matrix.mariadb-versions }}:latest # zizmor: ignore[unpinned-images]
         ports:
           - 4444:3306/tcp
         env:
-          MYSQL_ROOT_PASSWORD: rootpassword
-        options: --health-cmd="mysqladmin ping" --health-interval 5s --health-timeout 2s --health-retries 5
+          MARIADB_ROOT_PASSWORD: rootpassword
+        options: --health-cmd="mariadb-admin ping" --health-interval 5s --health-timeout 2s --health-retries 5
 
     steps:
       - name: Set app env
+        if: ${{ env.APP_NAME == '' }}
         run: |
           # Split and keep last
           echo "APP_NAME=${GITHUB_REPOSITORY##*/}" >> $GITHUB_ENV
@@ -96,6 +93,7 @@ jobs:
       - name: Checkout server
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
+          persist-credentials: false
           submodules: true
           repository: nextcloud/server
           ref: ${{ matrix.server-versions }}
@@ -103,6 +101,7 @@ jobs:
       - name: Checkout app
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
+          persist-credentials: false
           path: apps/${{ env.APP_NAME }}
 
       - name: Set up php ${{ matrix.php-versions }}
@@ -113,6 +112,8 @@ jobs:
           extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, mysql, pdo_mysql
           coverage: none
           ini-file: development
+          # Temporary workaround for missing pcntl_* in PHP 8.3
+          ini-values: disable_functions=
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -154,7 +155,7 @@ jobs:
         run: |
           mkdir data
           ./occ maintenance:install --verbose --database=mysql --database-name=nextcloud --database-host=127.0.0.1 --database-port=$DB_PORT --database-user=root --database-pass=rootpassword --admin-user admin --admin-pass admin
-          ./occ app:enable --force ${{ env.APP_NAME }}
+          ./occ app:enable --verbose --force ${{ env.APP_NAME }}
 
       - name: Check PHPUnit script is defined
         id: check_phpunit
@@ -211,4 +212,4 @@ jobs:
 
     steps:
       - name: Summary status
-        run: if ${{ needs.changes.outputs.src != 'false' && needs.phpunit-mariadb.result != 'success' }}; then exit 1; fi
\ No newline at end of file
+        run: if ${{ needs.changes.outputs.src != 'false' && needs.phpunit-mariadb.result != 'success' }}; then exit 1; fi
diff --git a/lib/Migration/Version002002000Date20220614094721.php b/lib/Migration/Version002002000Date20220614094721.php
index 17879ff4..72a16920 100644
--- a/lib/Migration/Version002002000Date20220614094721.php
+++ b/lib/Migration/Version002002000Date20220614094721.php
@@ -66,7 +66,7 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 				'notnull' => false,
 			]);
 			$table->addColumn('vector', Types::TEXT, [
-				'notnull' => true,
+				'notnull' => false,
 			]);
 			$table->addColumn('cluster_id', 'bigint', [
 				'notnull' => false,