• Add option to include interface metadata #817 (marein)
• Register DocBlockDriver #824 (simPod)
• rewrite CacheClearerTest according to --prefer-lowest tests #842 (gam6itko)
• copy issue templates from schmittjoh/serializer #841 (gam6itko)
• add CONTRIBUTING.md and code fixing by phpcbf #840 (gam6itko)
• add CacheClearer #839 (gam6itko)
• Partially revert #820 for support PHP 8.1 Enum #836 (michaljusiega)
• Migrate CI to Github Actions #833 (simPod)