diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 2b13e824d..8939b587f 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Lint markdown files
-        uses: nosborn/github-action-markdown-cli@v3.1.0
+        uses: nosborn/github-action-markdown-cli@v3.2.0
         with:
           files: .
           ignore_path: .markdownlintignore
diff --git a/.github/workflows/interoperability.yml b/.github/workflows/interoperability.yml
index e50e4438a..7cb690068 100644
--- a/.github/workflows/interoperability.yml
+++ b/.github/workflows/interoperability.yml
@@ -22,7 +22,7 @@ jobs:
       fail-fast: false
       matrix:
         operating-system: [ubuntu-latest]
-        php-versions: ['8.0']
+        php-versions: ['8.2']
 
     steps:
       - name: Setup PHP, with composer and extensions
@@ -30,10 +30,10 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php-versions }}
-          extensions: mbstring, xml
+          extensions: ctype, date, dom, hash, mbstring, openssl, pcre, spl, xml
           tools: composer:v2
           ini-values: error_reporting=E_ALL, memory_limit=-1
-          coverage: pcov
+          coverage: none
 
       - name: Setup problem matchers for PHP
         run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"
@@ -61,10 +61,18 @@ jobs:
       - name: Install Composer dependencies
         run: composer install --no-progress --prefer-dist --optimize-autoloader
 
+      - name: Cache eduGAIN metadata
+        uses: actions/cache@v3
+        with:
+          path: /tmp/metadata
+          key: ${{ runner.os }}-metadata-${{ hashFiles('**/edugain-v2.lock') }}
+          restore-keys: ${{ runner.os }}-metadata-
+
       - name: Download eduGAIN metadata & public key
         run: |
-            wget https://mds.edugain.org/edugain-v2.xml -O /tmp/edugain.xml
-            wget https://technical.edugain.org/mds-v2.cer -O /tmp/edugain-pub.crt
+            mkdir -p /tmp/metadata
+            wget https://mds.edugain.org/edugain-v2.xml -O /tmp/metadata/edugain.xml
+            wget https://technical.edugain.org/mds-v2.cer -O /tmp/metadataedugain-pub.crt
 
       - name: Run unit tests
         run: |
diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 1e9b5b53b..dc675a529 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -27,6 +27,8 @@ jobs:
         env:
           VALIDATE_ALL_CODEBASE: true
           LINTER_RULES_PATH: 'tools/linters'
+          VALIDATE_CSS: true
+          VALIDATE_JAVASCRIPT_ES: true
           VALIDATE_JSON: true
           VALIDATE_PHP_BUILTIN: true
           VALIDATE_YAML: true
@@ -42,15 +44,19 @@ jobs:
         # https://github.com/shivammathur/setup-php
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
+          # Should be the higest supported version, so we can use the newest tools
+          php-version: '8.2'
           tools: composer:v2
-          extensions: dom, mbstring, openssl, xml, zlib
+          extensions: ctype, date, dom, hash, mbstring, openssl, pcre, spl, xml
 
       - name: Setup problem matchers for PHP
         run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"
 
       - uses: actions/checkout@v3
 
+      - name: Get composer cache directory
+        run: echo COMPOSER_CACHE="$(composer config cache-files-dir)" >> "$GITHUB_ENV"
+
       - name: Cache composer dependencies
         uses: actions/cache@v3
         with:
@@ -65,28 +71,29 @@ jobs:
         run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - name: PHP Code Sniffer
-        run: php vendor/bin/phpcs
+        run: php vendor/simplesamlphp/simplesamlphp-test-framework/tools/phpcs
 
       - name: Psalm
         continue-on-error: true
         run: |
-          php vendor/bin/psalm \
+          php vendor/simplesamlphp/simplesamlphp-test-framework/tools/psalm \
           -c psalm.xml \
           --show-info=true \
           --shepherd \
           --php-version=${{ steps.setup-php.outputs.php-version }}
 
       - name: Psalm (testsuite)
-        continue-on-error: true
         run: |
-          php vendor/bin/psalm \
+          php vendor/simplesamlphp/simplesamlphp-test-framework/tools/psalm \
           -c psalm-dev.xml \
           --show-info=true \
           --shepherd \
           --php-version=${{ steps.setup-php.outputs.php-version }}
+
       - name: Psalter
         run: |
-          php vendor/bin/psalter \
+          php vendor/simplesamlphp/simplesamlphp-test-framework/tools/psalm \
+          --alter \
           --issues=UnnecessaryVarAnnotation \
           --dry-run \
           --php-version=${{ steps.setup-php.outputs.php-version }}
@@ -99,8 +106,9 @@ jobs:
         # https://github.com/shivammathur/setup-php
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.1'
-          extensions: dom, mbstring, openssl, xml, zlib
+          # Should be the lowest supported version
+          php-version: '8.0'
+          extensions: ctype, date, dom, hash, mbstring, openssl, pcre, spl, xml
           tools: composer:v2
           coverage: none
 
@@ -109,6 +117,9 @@ jobs:
 
       - uses: actions/checkout@v3
 
+      - name: Get composer cache directory
+        run: echo COMPOSER_CACHE="$(composer config cache-files-dir)" >> "$GITHUB_ENV"
+
       - name: Cache composer dependencies
         uses: actions/cache@v3
         with:
@@ -125,7 +136,7 @@ jobs:
       - name: Update Composer dependencies
         run: composer update --no-progress --prefer-dist --optimize-autoloader
 
-      - name: Security check for locked dependencies
+      - name: Security check for updated dependencies
         run: composer audit
 
   unit-tests-linux:
@@ -144,10 +155,10 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php-versions }}
-          extensions: dom, mbstring, openssl, soap, xml
+          extensions: ctype, date, dom, hash, mbstring, openssl, pcre, spl, xml
           tools: composer:v2
           ini-values: error_reporting=E_ALL
-          coverage: xdebug
+          coverage: pcov
 
       - name: Setup problem matchers for PHP
         run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"
@@ -159,6 +170,7 @@ jobs:
         run: |
           git config --global core.autocrlf false
           git config --global core.eol lf
+
       - uses: actions/checkout@v3
 
       - name: Get composer cache directory
@@ -175,19 +187,20 @@ jobs:
         run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - name: Run unit tests with coverage
-        if: ${{ matrix.php-versions == '8.1' }}
-        run: ./vendor/bin/phpunit
+        if: ${{ matrix.php-versions == '8.2' }}
+        run: vendor/bin/phpunit
 
       - name: Run unit tests (no coverage)
-        if: ${{ matrix.php-versions != '8.1' }}
-        run: ./vendor/bin/phpunit --no-coverage
+        if: ${{ matrix.php-versions != '8.2' }}
+        run: vendor/bin/phpunit --no-coverage
 
       - name: Save coverage data
-        if: ${{ matrix.php-versions == '8.1' }}
+        if: ${{ matrix.php-versions == '8.2' }}
         uses: actions/upload-artifact@v3
         with:
           name: coverage-data
-          path: ${{ github.workspace }}/build
+          # The build-directory alone is not enough to make codecov work
+          path: ${{ github.workspace }}
 
   unit-tests-windows:
     name: "Syntax and unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}"
@@ -205,10 +218,10 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php-versions }}
-          extensions: dom, mbstring, openssl, soap, xml
+          extensions: ctype, date, dom, hash, mbstring, openssl, pcre, spl, xml
           tools: composer:v2
           ini-values: error_reporting=E_ALL
-          coverage: xdebug
+          coverage: none
 
       - name: Setup problem matchers for PHP
         run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"
@@ -220,6 +233,7 @@ jobs:
         run: |
           git config --global core.autocrlf false
           git config --global core.eol lf
+
       - uses: actions/checkout@v3
 
       - name: Get composer cache directory
@@ -236,7 +250,7 @@ jobs:
         run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - name: Run unit tests
-        run: ./vendor/bin/phpunit --no-coverage
+        run: vendor/bin/phpunit --no-coverage
 
   coverage:
     name: Code coverage
diff --git a/codecov.yml b/codecov.yml
index d73e5835f..17710fa1a 100644
--- a/codecov.yml
+++ b/codecov.yml
@@ -6,13 +6,13 @@ coverage:
       default:
         target: 0%
         threshold: 2%
-    patch: false
+    patch: off
 comment:
   layout: "diff"
   behavior: once
   require_changes: true
   require_base: no
-  require_head: true
+  require_head: yes
   branches: null
 github_checks:
   annotations: false
diff --git a/composer.json b/composer.json
index 99cd1c4be..9748f2735 100644
--- a/composer.json
+++ b/composer.json
@@ -18,8 +18,10 @@
     ],
     "require": {
         "php": "^8.0",
-        "ext-openssl": "*",
+        "ext-date": "*",
         "ext-dom": "*",
+        "ext-openssl": "*",
+        "ext-pcre": "*",
         "ext-zlib": "*",
 
         "nyholm/psr7": "^1.5.1",