diff --git a/.github/support.yml b/.github/support.yml
new file mode 100644
index 00000000..c1b039cc
--- /dev/null
+++ b/.github/support.yml
@@ -0,0 +1,15 @@
+# Label used to mark issues as support requests
+supportLabel: Question
+# Comment to post on issues marked as support requests. Add a link
+# to a support page, or set to `false` to disable
+supportComment: >
+  This looks like a support question. Please ask your support questions on
+  [StackOverflow](http://stackoverflow.com/questions/tagged/phpword),
+  or [Gitter](https://gitter.im/PHPOffice/PHPWord).
+
+  Thank you for your contributions.
+
+# Whether to close issues marked as support requests
+close: true
+# Whether to lock issues marked as support requests
+lock: false
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..0cf5a0c9
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,155 @@
+name: CI
+on:
+  - push
+  - pull_request
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        php-version:
+          - '7.2'
+          - "7.3"
+          - "7.4"
+          - "8.0"
+
+    name: PHP ${{ matrix.php-version }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-version }}
+          extensions: ctype, dom, gd, iconv, fileinfo, libxml, mbstring, simplexml, xml, xmlreader, xmlwriter, zip, zlib
+          coverage: none
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Delete composer lock file
+        id: composer-lock
+        if: "startsWith(matrix.php-version, '8.')"
+        run: |
+          rm composer.lock
+          echo "::set-output name=flags::--ignore-platform-reqs"
+
+      - name: Install dependencies
+        run: composer update --no-progress --prefer-dist --optimize-autoloader ${{ steps.composer-lock.outputs.flags }}
+
+      - name: Setup problem matchers for PHP
+        run: echo "::add-matcher::${{ runner.tool_cache }}/php.json"
+
+      - name: Setup problem matchers for PHPUnit
+        run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
+
+      - name: Configure matchers
+        uses: mheap/phpunit-matcher-action@v1
+
+      - name: Test with PHPUnit
+        run: ./vendor/bin/phpunit --teamcity test
+
+  php-cs-fixer:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+          extensions: ctype, dom, gd, iconv, fileinfo, libxml, mbstring, simplexml, xml, xmlreader, xmlwriter, zip, zlib
+          coverage: none
+          tools: cs2pr
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install dependencies
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
+
+      - name: Code style with PHP-CS-Fixer
+        run: ./vendor/bin/php-cs-fixer fix --format=checkstyle | cs2pr
+
+  phpcs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+          extensions: ctype, dom, gd, iconv, fileinfo, libxml, mbstring, simplexml, xml, xmlreader, xmlwriter, zip, zlib
+          coverage: none
+          tools: cs2pr
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install dependencies
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
+
+      - name: Code style with PHP_CodeSniffer
+        run: ./vendor/bin/phpcs -q --report=checkstyle | cs2pr
+
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+          extensions: ctype, dom, gd, iconv, fileinfo, libxml, mbstring, simplexml, xml, xmlreader, xmlwriter, zip, zlib
+          coverage: pcov
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install dependencies
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
+
+      - name: Coverage
+        run: |
+          ./vendor/bin/phpunit --coverage-clover coverage-clover.xml
+          curl -LO https://scrutinizer-ci.com/ocular.phar
+          php ocular.phar code-coverage:upload --format=php-clover coverage-clover.xml
diff --git a/.github/workflows/github-pages.yml b/.github/workflows/github-pages.yml
new file mode 100644
index 00000000..a7850833
--- /dev/null
+++ b/.github/workflows/github-pages.yml
@@ -0,0 +1,29 @@
+name: GithHub Pages
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  github-pages:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+          coverage: none # remove xdebug
+
+      - name: Build API documentation
+        run: |
+          curl -LO https://github.com/phpDocumentor/phpDocumentor/releases/download/v3.0.0/phpDocumentor.phar
+          php phpDocumentor.phar --directory src/ --target docs/api
+
+      - name: Deploy to GithHub Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./docs/api