Complete commits list: 2.52.0...2.53.0
Summary:
- Fixed #2439 PHP 8.1 compatibility
- Added #2424 unit test for PHP bug 80974
- Removed #2419 work-around for bug 81106 fixed in PHP 8.1 beta 3
- Refactored #2427 Use null coalescing operator when possible
- Optimized #2428 RegExp
- Upgraded #2426 friendsofphp/php-cs-fixer to ^3