diff --git a/.github/workflows/fixup.yml b/.github/workflows/fixup.yml
index 9548d19..807f5fd 100644
--- a/.github/workflows/fixup.yml
+++ b/.github/workflows/fixup.yml
@@ -28,6 +28,6 @@ jobs:
 
     steps:
       - name: Run check
-        uses: skjnldsv/block-fixup-merge-action@42d26e1b536ce61e5cf467d65fb76caf4aa85acf # v1
+        uses: skjnldsv/block-fixup-merge-action@c138ea99e45e186567b64cf065ce90f7158c236a # v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/lint-eslint.yml b/.github/workflows/lint-eslint.yml
index 3d2cd33..f2dafac 100644
--- a/.github/workflows/lint-eslint.yml
+++ b/.github/workflows/lint-eslint.yml
@@ -20,6 +20,9 @@ concurrency:
 jobs:
   changes:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
 
     outputs:
       src: ${{ steps.changes.outputs.src}}
@@ -53,10 +56,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
       - name: Read package.json node and npm engines version
-        uses: skjnldsv/read-package-engines-version-actions@8205673bab74a63eb9b8093402fd9e0e018663a1 # v2.2
+        uses: skjnldsv/read-package-engines-version-actions@06d6baf7d8f41934ab630e97d9e6c0bc9c9ac5e4 # v3
         id: versions
         with:
           fallbackNode: '^20'
@@ -68,7 +71,7 @@ jobs:
           node-version: ${{ steps.versions.outputs.nodeVersion }}
 
       - name: Set up npm ${{ steps.versions.outputs.npmVersion }}
-        run: npm i -g npm@"${{ steps.versions.outputs.npmVersion }}"
+        run: npm i -g 'npm@${{ steps.versions.outputs.npmVersion }}'
 
       - name: Install dependencies
         env:
@@ -76,6 +79,14 @@ jobs:
           PUPPETEER_SKIP_DOWNLOAD: true
         run: npm ci
 
+      - name: Install dependencies
+        env:
+            CYPRESS_INSTALL_BINARY: 0
+            PUPPETEER_SKIP_DOWNLOAD: true
+        # Install specific versions of dependencies to ensure compatibility
+        # https://github.com/nextcloud/server/blob/stable30/package.json
+        run: npm install @mdi/js@^7.4.47 @nextcloud/vue@^8.26.1 vue-material-design-icons@5.3.1
+
       - name: Lint
         run: npm run lint
 
diff --git a/.github/workflows/lint-info-xml.yml b/.github/workflows/lint-info-xml.yml
index bf6f178..ee4ab25 100644
--- a/.github/workflows/lint-info-xml.yml
+++ b/.github/workflows/lint-info-xml.yml
@@ -21,7 +21,7 @@ jobs:
     name: info.xml lint
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
       - name: Download schema
         run: wget https://raw.githubusercontent.com/nextcloud/appstore/master/nextcloudappstore/api/v1/release/info.xsd
diff --git a/.github/workflows/lint-php-cs.yml b/.github/workflows/lint-php-cs.yml
index 1ffee78..d892b89 100644
--- a/.github/workflows/lint-php-cs.yml
+++ b/.github/workflows/lint-php-cs.yml
@@ -22,14 +22,14 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
       - name: Get php version
         id: versions
         uses: icewind1991/nextcloud-version-matrix@58becf3b4bb6dc6cef677b15e2fd8e7d48c0908f # v1.3.1
 
       - name: Set up php${{ steps.versions.outputs.php-available }}
-        uses: shivammathur/setup-php@a4e22b60bbb9c1021113f2860347b0759f66fe5d # v2
+        uses: shivammathur/setup-php@2e947f1f6932d141d076ca441d0e1e881775e95b # v2.31.0
         with:
           php-version: ${{ steps.versions.outputs.php-available }}
           extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, sqlite, pdo_sqlite
diff --git a/.github/workflows/lint-php.yml b/.github/workflows/lint-php.yml
index a965ecc..4cec1c5 100644
--- a/.github/workflows/lint-php.yml
+++ b/.github/workflows/lint-php.yml
@@ -21,7 +21,7 @@ jobs:
       php-versions: ${{ steps.versions.outputs.php-versions }}
     steps:
       - name: Checkout app
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
       - name: Get version matrix
         id: versions
         uses: icewind1991/nextcloud-version-matrix@58becf3b4bb6dc6cef677b15e2fd8e7d48c0908f # v1.0.0
@@ -37,10 +37,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
       - name: Set up php ${{ matrix.php-versions }}
-        uses: shivammathur/setup-php@a4e22b60bbb9c1021113f2860347b0759f66fe5d # v2
+        uses: shivammathur/setup-php@2e947f1f6932d141d076ca441d0e1e881775e95b # v2.31.0
         with:
           php-version: ${{ matrix.php-versions }}
           extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, sqlite, pdo_sqlite
diff --git a/.github/workflows/lint-stylelint.yml b/.github/workflows/lint-stylelint.yml
index 4effd42..0988b4d 100644
--- a/.github/workflows/lint-stylelint.yml
+++ b/.github/workflows/lint-stylelint.yml
@@ -22,10 +22,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
       - name: Read package.json node and npm engines version
-        uses: skjnldsv/read-package-engines-version-actions@8205673bab74a63eb9b8093402fd9e0e018663a1 # v2.2
+        uses: skjnldsv/read-package-engines-version-actions@06d6baf7d8f41934ab630e97d9e6c0bc9c9ac5e4 # v3
         id: versions
         with:
           fallbackNode: '^20'
@@ -37,7 +37,7 @@ jobs:
           node-version: ${{ steps.versions.outputs.nodeVersion }}
 
       - name: Set up npm ${{ steps.versions.outputs.npmVersion }}
-        run: npm i -g npm@"${{ steps.versions.outputs.npmVersion }}"
+        run: npm i -g 'npm@${{ steps.versions.outputs.npmVersion }}'
 
       - name: Install dependencies
         env:
diff --git a/.github/workflows/phpunit-mysql.yml b/.github/workflows/phpunit-mysql.yml
index e44d42d..c30e063 100644
--- a/.github/workflows/phpunit-mysql.yml
+++ b/.github/workflows/phpunit-mysql.yml
@@ -1,6 +1,6 @@
 # SPDX-FileCopyrightText: Nextcloud contributors
 # SPDX-License-Identifier: AGPL-3.0-or-later
-name: PHPUnit
+name: PHPUnit MySQL
 
 on:
   pull_request:
@@ -9,61 +9,121 @@ on:
       - master
       - stable*
 
+permissions:
+    contents: read
+
+concurrency:
+    group: phpunit-mysql-${{ github.head_ref || github.run_id }}
+    cancel-in-progress: true
+
 env:
-  # Location of the phpunit.xml and phpunit.integration.xml files
-  PHPUNIT_CONFIG: ./tests/phpunit.xml
-  PHPUNIT_INTEGRATION_CONFIG: ./tests/phpunit.integration.xml
+    APP_NAME: simplesettings
 
 jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.versions.outputs.sparse-matrix }}
+    steps:
+      - name: Checkout app
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+      - name: Get version matrix
+        id: versions
+        uses: icewind1991/nextcloud-version-matrix@58becf3b4bb6dc6cef677b15e2fd8e7d48c0908f # v1.3.1
+        with:
+          matrix: '{"mysql-versions": ["8.4"]}'
+
+  changes:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+
+    outputs:
+      src: ${{ steps.changes.outputs.src}}
+
+    steps:
+      - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
+        id: changes
+        continue-on-error: true
+        with:
+          filters: |
+            src:
+              - '.github/workflows/**'
+              - 'appinfo/**'
+              - 'lib/**'
+              - 'templates/**'
+              - 'tests/**'
+              - 'vendor/**'
+              - 'vendor-bin/**'
+              - '.php-cs-fixer.dist.php'
+              - 'composer.json'
+              - 'composer.lock'
+
   phpunit-mysql:
     runs-on: ubuntu-latest
 
+    needs: [changes, matrix]
+    if: needs.changes.outputs.src != 'false'
+
     strategy:
-      matrix:
-        php-versions: ['8.3']
-        server-versions: ['master', 'stable29']
+      matrix: ${{ fromJson(needs.matrix.outputs.matrix) }}
+
+    name: MySQL ${{ matrix.mysql-versions }} PHP ${{ matrix.php-versions }} Nextcloud ${{ matrix.server-versions }}
 
     services:
       mysql:
-        image: mariadb:10.5
+        image: ghcr.io/nextcloud/continuous-integration-mysql-${{ matrix.mysql-versions }}:latest
         ports:
           - 4444:3306/tcp
         env:
           MYSQL_ROOT_PASSWORD: rootpassword
-        options: --health-cmd="mysqladmin ping" --health-interval 5s --health-timeout 2s --health-retries 5
+        options: --health-cmd="mysqladmin ping" --health-interval 5s --health-timeout 2s --health-retries 10
 
     steps:
       - name: Set app env
         run: |
           # Split and keep last
-          echo "APP_NAME=simplesettings" >> $GITHUB_ENV
-
-      - name: Enable ONLY_FULL_GROUP_BY MySQL option
-        run: |
-          echo "SET GLOBAL sql_mode=(SELECT CONCAT(@@sql_mode,',ONLY_FULL_GROUP_BY'));" | mysql -h 127.0.0.1 -P 4444 -u root -prootpassword
-          echo "SELECT @@sql_mode;" | mysql -h 127.0.0.1 -P 4444 -u root -prootpassword
+          echo "APP_NAME=${GITHUB_REPOSITORY##*/}" >> $GITHUB_ENV
 
       - name: Checkout server
-        uses: actions/checkout@v3
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           submodules: true
           repository: nextcloud/server
           ref: ${{ matrix.server-versions }}
 
       - name: Checkout app
-        uses: actions/checkout@v3
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           path: apps/${{ env.APP_NAME }}
 
       - name: Set up php ${{ matrix.php-versions }}
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@2e947f1f6932d141d076ca441d0e1e881775e95b # v2.31.0
         with:
           php-version: ${{ matrix.php-versions }}
-          tools: phpunit
-          extensions: mbstring, iconv, fileinfo, intl, mysql, pdo_mysql
+          # https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation
+          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
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Set up PHPUnit
+      - name: Enable ONLY_FULL_GROUP_BY MySQL option
+        run: |
+          echo "SET GLOBAL sql_mode=(SELECT CONCAT(@@sql_mode,',ONLY_FULL_GROUP_BY'));" | mysql -h 127.0.0.1 -P 4444 -u root -prootpassword
+          echo 'SELECT @@sql_mode;' | mysql -h 127.0.0.1 -P 4444 -u root -prootpassword
+
+      - name: Check composer file existence
+        id: check_composer
+        uses: andstor/file-existence-action@076e0072799f4942c8bc574a82233e1e4d13e9d6 # v3.0.0
+        with:
+          files: apps/${{ env.APP_NAME }}/composer.json
+
+      - name: Set up dependencies
+        # Only run if phpunit config file exists
+        if: steps.check_composer.outputs.files_exists == 'true'
         working-directory: apps/${{ env.APP_NAME }}
         run: composer i
 
@@ -72,39 +132,57 @@ jobs:
           DB_PORT: 4444
         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 password
-          ./occ app:enable ${{ env.APP_NAME }}
+          ./occ maintenance:install --verbose --database=mysql --database-name=nextcloud --database-host=127.0.0.1 --database-port=$DB_PORT --database-user=root --database-pass=rootpassword --admin-user admin --admin-pass admin
+          ./occ app:enable --force ${{ env.APP_NAME }}
 
-      - name: Check PHPUnit config file existence
+      - name: Check PHPUnit script is defined
         id: check_phpunit
-        uses: andstor/file-existence-action@v1
-        with:
-          files: apps/${{ env.APP_NAME }}/${{ env.PHPUNIT_CONFIG }}
-
-      - name: Run Nextcloud
-        run: php -S localhost:8080 &
+        continue-on-error: true
+        working-directory: apps/${{ env.APP_NAME }}
+        run: |
+          composer run --list | grep '^  test:unit ' | wc -l | grep 1
 
       - name: PHPUnit
         # Only run if phpunit config file exists
-        if: steps.check_phpunit.outputs.files_exists == 'true'
+        if: steps.check_phpunit.outcome == 'success'
         working-directory: apps/${{ env.APP_NAME }}
-        run: ./vendor/bin/phpunit -c ${{ env.PHPUNIT_CONFIG }}
+        run: composer run test:unit
 
-      - name: Check PHPUnit integration config file existence
+      - name: Check PHPUnit integration script is defined
         id: check_integration
-        uses: andstor/file-existence-action@v1
-        with:
-          files: apps/${{ env.APP_NAME }}/${{ env.PHPUNIT_INTEGRATION_CONFIG }}
+        continue-on-error: true
+        working-directory: apps/${{ env.APP_NAME }}
+        run: |
+          composer run --list | grep '^  test:integration ' | wc -l | grep 1
+
+      - name: Run Nextcloud
+        # Only run if phpunit integration config file exists
+        if: steps.check_integration.outcome == 'success'
+        run: php -S localhost:8080 &
 
       - name: PHPUnit integration
         # Only run if phpunit integration config file exists
-        if: steps.check_integration.outputs.files_exists == 'true'
+        if: steps.check_integration.outcome == 'success'
         working-directory: apps/${{ env.APP_NAME }}
-        run: ./vendor/bin/phpunit -c ${{ env.PHPUNIT_INTEGRATION_CONFIG }}
+        run: composer run test:integration
+
+      - name: Print logs
+        if: always()
+        run: |
+          cat data/nextcloud.log
+
+      - name: Skipped
+        # Fail the action when neither unit nor integration tests ran
+        if: steps.check_phpunit.outcome == 'failure' && steps.check_integration.outcome == 'failure'
+        run: |
+          echo 'Neither PHPUnit nor PHPUnit integration tests are specified in composer.json scripts'
+          exit 1
 
   summary:
+    permissions:
+      contents: none
     runs-on: ubuntu-latest
-    needs: phpunit-mysql
+    needs: [changes, phpunit-mysql]
 
     if: always()
 
@@ -112,4 +190,4 @@ jobs:
 
     steps:
       - name: Summary status
-        run: if ${{ needs.phpunit-mysql.result != 'success' }}; then exit 1; fi
+        run: if ${{ needs.changes.outputs.src != 'false' && needs.phpunit-mysql.result != 'success' }}; then exit 1; fi
diff --git a/.github/workflows/phpunit-pgsql.yml b/.github/workflows/phpunit-pgsql.yml
index 4c4f0ac..154c0c7 100644
--- a/.github/workflows/phpunit-pgsql.yml
+++ b/.github/workflows/phpunit-pgsql.yml
@@ -1,6 +1,6 @@
 # SPDX-FileCopyrightText: Nextcloud contributors
 # SPDX-License-Identifier: AGPL-3.0-or-later
-name: PHPUnit
+name: PHPUnit PostgreSQL
 
 on:
   pull_request:
@@ -9,23 +9,73 @@ on:
       - master
       - stable*
 
+permissions:
+    contents: read
+
+concurrency:
+    group: phpunit-pgsql-${{ github.head_ref || github.run_id }}
+    cancel-in-progress: true
+
 env:
-  # Location of the phpunit.xml and phpunit.integration.xml files
-  PHPUNIT_CONFIG: ./tests/phpunit.xml
-  PHPUNIT_INTEGRATION_CONFIG: ./tests/phpunit.integration.xml
+    APP_NAME: simplesettings
 
 jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      php-version: ${{ steps.versions.outputs.php-available-list }}
+      server-max: ${{ steps.versions.outputs.branches-max-list }}
+    steps:
+      - name: Checkout app
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+      - name: Get version matrix
+        id: versions
+        uses: icewind1991/nextcloud-version-matrix@58becf3b4bb6dc6cef677b15e2fd8e7d48c0908f # v1.3.1
+
+  changes:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+
+    outputs:
+      src: ${{ steps.changes.outputs.src }}
+
+    steps:
+      - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
+        id: changes
+        continue-on-error: true
+        with:
+          filters: |
+            src:
+              - '.github/workflows/**'
+              - 'appinfo/**'
+              - 'lib/**'
+              - 'templates/**'
+              - 'tests/**'
+              - 'vendor/**'
+              - 'vendor-bin/**'
+              - '.php-cs-fixer.dist.php'
+              - 'composer.json'
+              - 'composer.lock'
+
   phpunit-pgsql:
     runs-on: ubuntu-latest
 
+    needs: [changes, matrix]
+    if: needs.changes.outputs.src != 'false'
+
     strategy:
       matrix:
-        php-versions: ['8.3']
-        server-versions: ['master', 'stable29']
+        php-versions: ${{ fromJson(needs.matrix.outputs.php-version) }}
+        server-versions: ${{ fromJson(needs.matrix.outputs.server-max) }}
+
+    name: PostgreSQL PHP ${{ matrix.php-versions }} Nextcloud ${{ matrix.server-versions }}
 
     services:
       postgres:
-        image: postgres
+        image: ghcr.io/nextcloud/continuous-integration-postgres-14:latest
         ports:
           - 4444:5432/tcp
         env:
@@ -38,29 +88,40 @@ jobs:
       - name: Set app env
         run: |
           # Split and keep last
-          echo "APP_NAME=simplesettings" >> $GITHUB_ENV
+          echo "APP_NAME=${GITHUB_REPOSITORY##*/}" >> $GITHUB_ENV
 
       - name: Checkout server
-        uses: actions/checkout@v3
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           submodules: true
           repository: nextcloud/server
           ref: ${{ matrix.server-versions }}
 
       - name: Checkout app
-        uses: actions/checkout@v3
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           path: apps/${{ env.APP_NAME }}
 
       - name: Set up php ${{ matrix.php-versions }}
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@2e947f1f6932d141d076ca441d0e1e881775e95b # v2.31.0
         with:
           php-version: ${{ matrix.php-versions }}
-          tools: phpunit
-          extensions: mbstring, iconv, fileinfo, intl, pgsql, pdo_pgsql
+          # https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation
+          extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, pgsql, pdo_pgsql
           coverage: none
+          ini-file: development
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check composer file existence
+        id: check_composer
+        uses: andstor/file-existence-action@076e0072799f4942c8bc574a82233e1e4d13e9d6 # v3.0.0
+        with:
+          files: apps/${{ env.APP_NAME }}/composer.json
 
-      - name: Set up PHPUnit
+      - name: Set up dependencies
+        # Only run if phpunit config file exists
+        if: steps.check_composer.outputs.files_exists == 'true'
         working-directory: apps/${{ env.APP_NAME }}
         run: composer i
 
@@ -69,41 +130,57 @@ jobs:
           DB_PORT: 4444
         run: |
           mkdir data
-          ./occ maintenance:install --verbose --database=pgsql --database-name=nextcloud --database-host=127.0.0.1 --database-port=$DB_PORT --database-user=root --database-pass=rootpassword --admin-user admin --admin-pass password
-          ./occ app:enable ${{ env.APP_NAME }}
+          ./occ maintenance:install --verbose --database=pgsql --database-name=nextcloud --database-host=127.0.0.1 --database-port=$DB_PORT --database-user=root --database-pass=rootpassword --admin-user admin --admin-pass admin
+          ./occ app:enable --force ${{ env.APP_NAME }}
 
-      - name: Check PHPUnit config file existence
+      - name: Check PHPUnit script is defined
         id: check_phpunit
-        uses: andstor/file-existence-action@v1
-        with:
-          files: apps/${{ env.APP_NAME }}/${{ env.PHPUNIT_CONFIG }}
+        continue-on-error: true
+        working-directory: apps/${{ env.APP_NAME }}
+        run: |
+          composer run --list | grep '^  test:unit ' | wc -l | grep 1
 
       - name: PHPUnit
         # Only run if phpunit config file exists
-        if: steps.check_phpunit.outputs.files_exists == 'true'
+        if: steps.check_phpunit.outcome == 'success'
         working-directory: apps/${{ env.APP_NAME }}
-        run: ./vendor/bin/phpunit -c ${{ env.PHPUNIT_CONFIG }}
+        run: composer run test:unit
 
-      - name: Check PHPUnit integration config file existence
+      - name: Check PHPUnit integration script is defined
         id: check_integration
-        uses: andstor/file-existence-action@v1
-        with:
-          files: apps/${{ env.APP_NAME }}/${{ env.PHPUNIT_INTEGRATION_CONFIG }}
+        continue-on-error: true
+        working-directory: apps/${{ env.APP_NAME }}
+        run: |
+          composer run --list | grep '^  test:integration ' | wc -l | grep 1
 
       - name: Run Nextcloud
         # Only run if phpunit integration config file exists
-        if: steps.check_integration.outputs.files_exists == 'true'
+        if: steps.check_integration.outcome == 'success'
         run: php -S localhost:8080 &
 
       - name: PHPUnit integration
         # Only run if phpunit integration config file exists
-        if: steps.check_integration.outputs.files_exists == 'true'
+        if: steps.check_integration.outcome == 'success'
         working-directory: apps/${{ env.APP_NAME }}
-        run: ./vendor/bin/phpunit -c ${{ env.PHPUNIT_INTEGRATION_CONFIG }}
+        run: composer run test:integration
+
+      - name: Print logs
+        if: always()
+        run: |
+          cat data/nextcloud.log
+
+      - name: Skipped
+        # Fail the action when neither unit nor integration tests ran
+        if: steps.check_phpunit.outcome == 'failure' && steps.check_integration.outcome == 'failure'
+        run: |
+          echo 'Neither PHPUnit nor PHPUnit integration tests are specified in composer.json scripts'
+          exit 1
 
   summary:
+    permissions:
+      contents: none
     runs-on: ubuntu-latest
-    needs: phpunit-pgsql
+    needs: [changes, phpunit-pgsql]
 
     if: always()
 
@@ -111,4 +188,4 @@ jobs:
 
     steps:
       - name: Summary status
-        run: if ${{ needs.phpunit-pgsql.result != 'success' }}; then exit 1; fi
+        run: if ${{ needs.changes.outputs.src != 'false' && needs.phpunit-pgsql.result != 'success' }}; then exit 1; fi
diff --git a/.github/workflows/phpunit-sqlite.yml b/.github/workflows/phpunit-sqlite.yml
index 05b1009..d86e490 100644
--- a/.github/workflows/phpunit-sqlite.yml
+++ b/.github/workflows/phpunit-sqlite.yml
@@ -1,6 +1,6 @@
 # SPDX-FileCopyrightText: Nextcloud contributors
 # SPDX-License-Identifier: AGPL-3.0-or-later
-name: PHPUnit
+name: PHPUnit SQLite
 
 on:
   pull_request:
@@ -9,47 +9,108 @@ on:
       - master
       - stable*
 
+permissions:
+    contents: read
+
+concurrency:
+    group: phpunit-sqlite-${{ github.head_ref || github.run_id }}
+    cancel-in-progress: true
+
 env:
-  # Location of the phpunit.xml and phpunit.integration.xml files
-  PHPUNIT_CONFIG: ./tests/phpunit.xml
-  PHPUNIT_INTEGRATION_CONFIG: ./tests/phpunit.integration.xml
+    APP_NAME: simplesettings
 
 jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      php-version: ${{ steps.versions.outputs.php-available-list }}
+      server-max: ${{ steps.versions.outputs.branches-max-list }}
+    steps:
+      - name: Checkout app
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+      - name: Get version matrix
+        id: versions
+        uses: icewind1991/nextcloud-version-matrix@58becf3b4bb6dc6cef677b15e2fd8e7d48c0908f # v1.3.1
+
+  changes:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+
+    outputs:
+      src: ${{ steps.changes.outputs.src}}
+
+    steps:
+      - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
+        id: changes
+        continue-on-error: true
+        with:
+          filters: |
+            src:
+              - '.github/workflows/**'
+              - 'appinfo/**'
+              - 'lib/**'
+              - 'templates/**'
+              - 'tests/**'
+              - 'vendor/**'
+              - 'vendor-bin/**'
+              - '.php-cs-fixer.dist.php'
+              - 'composer.json'
+              - 'composer.lock'
+
   phpunit-sqlite:
     runs-on: ubuntu-latest
 
+    needs: [changes, matrix]
+    if: needs.changes.outputs.src != 'false'
+
     strategy:
       matrix:
-        php-versions: ['8.3']
-        server-versions: ['master', 'stable29']
+        php-versions: ${{ fromJson(needs.matrix.outputs.php-version) }}
+        server-versions: ${{ fromJson(needs.matrix.outputs.server-max) }}
+
+    name: SQLite PHP ${{ matrix.php-versions }} Nextcloud ${{ matrix.server-versions }}
 
     steps:
       - name: Set app env
         run: |
           # Split and keep last
-          echo "APP_NAME=simplesettings" >> $GITHUB_ENV
+          echo "APP_NAME=${GITHUB_REPOSITORY##*/}" >> $GITHUB_ENV
 
       - name: Checkout server
-        uses: actions/checkout@v3
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           submodules: true
           repository: nextcloud/server
           ref: ${{ matrix.server-versions }}
 
       - name: Checkout app
-        uses: actions/checkout@v3
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
         with:
           path: apps/${{ env.APP_NAME }}
 
       - name: Set up php ${{ matrix.php-versions }}
-        uses: shivammathur/setup-php@v2
+        uses: shivammathur/setup-php@2e947f1f6932d141d076ca441d0e1e881775e95b # v2.31.0
         with:
           php-version: ${{ matrix.php-versions }}
-          tools: phpunit
-          extensions: mbstring, iconv, fileinfo, intl, sqlite, pdo_sqlite
+          # https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation
+          extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, sqlite, pdo_sqlite
           coverage: none
+          ini-file: development
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check composer file existence
+        id: check_composer
+        uses: andstor/file-existence-action@076e0072799f4942c8bc574a82233e1e4d13e9d6 # v3.0.0
+        with:
+          files: apps/${{ env.APP_NAME }}/composer.json
 
-      - name: Set up PHPUnit
+      - name: Set up dependencies
+        # Only run if phpunit config file exists
+        if: steps.check_composer.outputs.files_exists == 'true'
         working-directory: apps/${{ env.APP_NAME }}
         run: composer i
 
@@ -58,41 +119,57 @@ jobs:
           DB_PORT: 4444
         run: |
           mkdir data
-          ./occ maintenance:install --verbose --database=sqlite --database-name=nextcloud --database-host=127.0.0.1 --database-port=$DB_PORT --database-user=root --database-pass=rootpassword --admin-user admin --admin-pass password
-          ./occ app:enable ${{ env.APP_NAME }}
+          ./occ maintenance:install --verbose --database=sqlite --database-name=nextcloud --database-host=127.0.0.1 --database-port=$DB_PORT --database-user=root --database-pass=rootpassword --admin-user admin --admin-pass admin
+          ./occ app:enable --force ${{ env.APP_NAME }}
 
-      - name: Check PHPUnit config file existence
+      - name: Check PHPUnit script is defined
         id: check_phpunit
-        uses: andstor/file-existence-action@v1
-        with:
-          files: apps/${{ env.APP_NAME }}/${{ env.PHPUNIT_CONFIG }}
+        continue-on-error: true
+        working-directory: apps/${{ env.APP_NAME }}
+        run: |
+          composer run --list | grep '^  test:unit ' | wc -l | grep 1
 
       - name: PHPUnit
         # Only run if phpunit config file exists
-        if: steps.check_phpunit.outputs.files_exists == 'true'
+        if: steps.check_phpunit.outcome == 'success'
         working-directory: apps/${{ env.APP_NAME }}
-        run: ./vendor/bin/phpunit -c ${{ env.PHPUNIT_CONFIG }}
+        run: composer run test:unit
 
-      - name: Check PHPUnit integration config file existence
+      - name: Check PHPUnit integration script is defined
         id: check_integration
-        uses: andstor/file-existence-action@v1
-        with:
-          files: apps/${{ env.APP_NAME }}/${{ env.PHPUNIT_INTEGRATION_CONFIG }}
+        continue-on-error: true
+        working-directory: apps/${{ env.APP_NAME }}
+        run: |
+          composer run --list | grep '^  test:integration ' | wc -l | grep 1
 
       - name: Run Nextcloud
         # Only run if phpunit integration config file exists
-        if: steps.check_integration.outputs.files_exists == 'true'
+        if: steps.check_integration.outcome == 'success'
         run: php -S localhost:8080 &
 
       - name: PHPUnit integration
         # Only run if phpunit integration config file exists
-        if: steps.check_integration.outputs.files_exists == 'true'
+        if: steps.check_integration.outcome == 'success'
         working-directory: apps/${{ env.APP_NAME }}
-        run: ./vendor/bin/phpunit -c ${{ env.PHPUNIT_INTEGRATION_CONFIG }}
+        run: composer run test:integration
+
+      - name: Print logs
+        if: always()
+        run: |
+          cat data/nextcloud.log
+
+      - name: Skipped
+        # Fail the action when neither unit nor integration tests ran
+        if: steps.check_phpunit.outcome == 'failure' && steps.check_integration.outcome == 'failure'
+        run: |
+          echo 'Neither PHPUnit nor PHPUnit integration tests are specified in composer.json scripts'
+          exit 1
 
   summary:
+    permissions:
+      contents: none
     runs-on: ubuntu-latest
-    needs: phpunit-sqlite
+    needs: [changes, phpunit-sqlite]
 
     if: always()
 
@@ -100,4 +177,4 @@ jobs:
 
     steps:
       - name: Summary status
-        run: if ${{ needs.phpunit-sqlite.result != 'success' }}; then exit 1; fi
+        run: if ${{ needs.changes.outputs.src != 'false' && needs.phpunit-sqlite.result != 'success' }}; then exit 1; fi
diff --git a/.github/workflows/psalm.yml b/.github/workflows/psalm.yml
new file mode 100644
index 0000000..169446c
--- /dev/null
+++ b/.github/workflows/psalm.yml
@@ -0,0 +1,44 @@
+# This workflow is provided via the organization template repository
+#
+# https://github.com/nextcloud/.github
+# https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
+#
+# SPDX-FileCopyrightText: 2022-2024 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: MIT
+
+name: Static analysis
+
+on: pull_request
+
+concurrency:
+  group: psalm-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  static-analysis:
+    runs-on: ubuntu-latest
+
+    name: static-psalm-analysis
+    steps:
+      - name: Checkout
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+      - name: Get php version
+        id: versions
+        uses: icewind1991/nextcloud-version-matrix@58becf3b4bb6dc6cef677b15e2fd8e7d48c0908f # v1.3.1
+
+      - name: Set up php${{ steps.versions.outputs.php-available }}
+        uses: shivammathur/setup-php@2e947f1f6932d141d076ca441d0e1e881775e95b # v2.31.0
+        with:
+          php-version: ${{ steps.versions.outputs.php-available }}
+          extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, sqlite, pdo_sqlite
+          coverage: none
+          ini-file: development
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install dependencies
+        run: composer i
+
+      - name: Run coding standards check
+        run: composer run psalm
diff --git a/.github/workflows/update-nextcloud-ocp.yml b/.github/workflows/update-nextcloud-ocp.yml
new file mode 100644
index 0000000..ae3f020
--- /dev/null
+++ b/.github/workflows/update-nextcloud-ocp.yml
@@ -0,0 +1,119 @@
+# This workflow is provided via the organization template repository
+#
+# https://github.com/nextcloud/.github
+# https://docs.github.com/en/actions/learn-github-actions/sharing-workflows-with-your-organization
+#
+# SPDX-FileCopyrightText: 2022-2024 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: MIT
+
+name: Update nextcloud/ocp
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "5 2 * * 0"
+
+jobs:
+  update-nextcloud-ocp:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        branches: ['main', 'master', 'stable29', 'stable28', 'stable27']
+
+    name: update-nextcloud-ocp-${{ matrix.branches }}
+
+    steps:
+      - id: checkout
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        with:
+          ref: ${{ matrix.branches }}
+          submodules: true
+        continue-on-error: true
+
+      - name: Set up php8.2
+        if: steps.checkout.outcome == 'success'
+        uses: shivammathur/setup-php@2e947f1f6932d141d076ca441d0e1e881775e95b # v2.31.0
+        with:
+          php-version: 8.2
+          # https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html#prerequisites-for-manual-installation
+          extensions: bz2, ctype, curl, dom, fileinfo, gd, iconv, intl, json, libxml, mbstring, openssl, pcntl, posix, session, simplexml, xmlreader, xmlwriter, zip, zlib, sqlite, pdo_sqlite
+          coverage: none
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Read codeowners
+        if: steps.checkout.outcome == 'success'
+        id: codeowners
+        run: |
+          grep '/appinfo/info.xml' .github/CODEOWNERS | cut -f 2- -d ' ' | xargs | awk '{ print "codeowners="$0 }' >> $GITHUB_OUTPUT
+        continue-on-error: true
+
+      - name: Composer install
+        if: steps.checkout.outcome == 'success'
+        run: composer install
+
+      - name: Composer update nextcloud/ocp
+        id: update_branch
+        if: ${{ steps.checkout.outcome == 'success' && matrix.branches != 'main' }}
+        run: composer require --dev 'nextcloud/ocp:dev-${{ matrix.branches }}'
+
+      - name: Raise on issue on failure
+        uses: dacbd/create-issue-action@cdb57ab6ff8862aa09fee2be6ba77a59581921c2 # v2.0.0
+        if: ${{ steps.checkout.outcome == 'success' && failure() && steps.update_branch.conclusion == 'failure' }}
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          title: 'Failed to update nextcloud/ocp package on branch ${{ matrix.branches }}'
+          body: 'Please check the output of the GitHub action and manually resolve the issues<br>${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}<br>${{ steps.codeowners.outputs.codeowners }}'
+
+      - name: Composer update nextcloud/ocp
+        id: update_main
+        if: ${{ steps.checkout.outcome == 'success' && matrix.branches == 'main' }}
+        run: composer require --dev nextcloud/ocp:dev-master
+
+      - name: Raise on issue on failure
+        uses: dacbd/create-issue-action@cdb57ab6ff8862aa09fee2be6ba77a59581921c2 # v2.0.0
+        if: ${{ steps.checkout.outcome == 'success' && failure() && steps.update_main.conclusion == 'failure' }}
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          title: 'Failed to update nextcloud/ocp package on branch ${{ matrix.branches }}'
+          body: 'Please check the output of the GitHub action and manually resolve the issues<br>${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}<br>${{ steps.codeowners.outputs.codeowners }}'
+
+      - name: Reset checkout 3rdparty
+        if: steps.checkout.outcome == 'success'
+        run: |
+          git clean -f 3rdparty
+          git checkout 3rdparty
+        continue-on-error: true
+
+      - name: Reset checkout vendor
+        if: steps.checkout.outcome == 'success'
+        run: |
+          git clean -f vendor
+          git checkout vendor
+        continue-on-error: true
+
+      - name: Reset checkout vendor-bin
+        if: steps.checkout.outcome == 'success'
+        run: |
+          git clean -f vendor-bin
+          git checkout vendor-bin
+        continue-on-error: true
+
+      - name: Create Pull Request
+        if: steps.checkout.outcome == 'success'
+        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c # v6.1.0
+        with:
+          token: ${{ secrets.COMMAND_BOT_PAT }}
+          commit-message: 'chore(dev-deps): Bump nextcloud/ocp package'
+          committer: GitHub <noreply@github.com>
+          author: nextcloud-command <nextcloud-command@users.noreply.github.com>
+          signoff: true
+          branch: 'automated/noid/${{ matrix.branches }}-update-nextcloud-ocp'
+          title: '[${{ matrix.branches }}] Update nextcloud/ocp dependency'
+          body: |
+            Auto-generated update of [nextcloud/ocp](https://github.com/nextcloud-deps/ocp/) dependency
+          labels: |
+            dependencies
+            3. to review
diff --git a/appinfo/info.xml b/appinfo/info.xml
index dc548fd..e4a66df 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -12,7 +12,7 @@
 	<category>tools</category>
 	<bugs>https://github.com/IONOS-Productivity/nc-simple-settings</bugs>
 	<dependencies>
-		<nextcloud min-version="29" max-version="31"/>
+		<nextcloud min-version="30" max-version="31"/>
 	</dependencies>
 	<!--
 	- no navigations configured, we'll redirect from the /app/settings path
diff --git a/lib/Controller/PageController.php b/lib/Controller/PageController.php
index c152d50..98aa7c4 100644
--- a/lib/Controller/PageController.php
+++ b/lib/Controller/PageController.php
@@ -25,6 +25,7 @@
 use OC\Authentication\Token\INamedToken;
 use OC\Authentication\Token\IProvider;
 use OC\Authentication\Token\IToken;
+use OC_Helper;
 use OCA\SimpleSettings\AppInfo\Application;
 use OCP\AppFramework\Controller;
 use OCP\AppFramework\Http\Attribute\FrontpageRoute;
@@ -42,41 +43,23 @@
 use OCP\IUserSession;
 use OCP\L10N\IFactory;
 use OCP\Session\Exceptions\SessionNotAvailableException;
+use OCP\Util;
 
 /**
  * @psalm-suppress UnusedClass
  */
 class PageController extends Controller {
-	private IConfig $config;
-	private IUserManager $userManager;
-	private IFactory $l10nFactory;
-	private IProvider $tokenProvider;
-	private IInitialState $initialState;
-	private IUserSession $userSession;
-	private ISession $session;
-	private string|null $uid;
-	private $helper;
-
 	public function __construct(
-		IConfig $config,
-		IUserManager $userManager,
-		IFactory $l10nFactory,
-		IProvider $tokenProvider,
-		ISession $session,
-		IInitialState $initialState,
-		IUserSession $userSession,
-		?string $UserId,
-		\OC_Helper $helper
+		private readonly IConfig $config,
+		private readonly IUserManager $userManager,
+		private readonly IFactory $l10nFactory,
+		private readonly IProvider $tokenProvider,
+		private readonly ISession $session,
+		private readonly IInitialState $initialState,
+		private readonly IUserSession $userSession,
+		private ?string $uid,
+		private readonly Util $util,
 	) {
-		$this->config = $config;
-		$this->userManager = $userManager;
-		$this->l10nFactory = $l10nFactory;
-		$this->tokenProvider = $tokenProvider;
-		$this->session = $session;
-		$this->initialState = $initialState;
-		$this->userSession = $userSession;
-		$this->uid = $UserId;
-		$this->helper = $helper;
 	}
 
 	#[NoCSRFRequired]
@@ -176,7 +159,7 @@ private function getLanguageMap(IUser $user): array {
 		foreach ($combinedLanguages as &$language) {
 			if (isset($language['name'])) {
 				$language['name'] = preg_replace('/\s*\(.*?\)\s*/', '', $language['name']);
-		 	}
+			}
 		}
 
 		$userLangIndex = array_search($userConfLang, array_column($combinedLanguages, 'code'));
@@ -219,10 +202,10 @@ public function getStorageInfo(
 		$includeMountPoints = true,
 		$useCache = true
 	): array {
-		return $this->helper::getStorageInfo($path, $rootInfo, $includeMountPoints, $useCache);
+		return OC_Util::getStorageInfo($path, $rootInfo, $includeMountPoints, $useCache);
 	}
 
 	public function humanFileSize(int $size): string {
-		return $this->helper::humanFileSize($size);
+		return $this->util->humanFileSize($size);
 	}
 }
diff --git a/tests/Controller/PageControllerTest.php b/tests/Controller/PageControllerTest.php
index caeb5f4..2f6c0d7 100644
--- a/tests/Controller/PageControllerTest.php
+++ b/tests/Controller/PageControllerTest.php
@@ -32,6 +32,7 @@
 use OCP\IUserManager;
 use OCP\IUserSession;
 use OCP\L10N\IFactory;
+use OCP\Util;
 use PHPUnit\Framework\MockObject\Exception;
 use Test\TestCase;
 
@@ -50,7 +51,7 @@ protected function setUp(): void {
 		$this->initialState = $this->createMock(IInitialState::class);
 		$this->userSession = $this->createMock(IUserSession::class);
 		$this->uid = "mock-user-id-123";
-		$this->helper = $this->createMock(\OC_Helper::class);
+		$this->util = $this->createMock(Util::class);
 		$this->controller = $this->getMockBuilder(PageController::class)
 			->setConstructorArgs([
 				$this->config,
@@ -61,7 +62,7 @@ protected function setUp(): void {
 				$this->initialState,
 				$this->userSession,
 				$this->uid,
-				$this->helper
+				$this->util
 			])
 			->onlyMethods(['getStorageInfo', 'humanFileSize'])
 			->getMock();