What's new in PHP 8.1 PHP 8.1 was released on November 25, 2021. It's currently the latest PHP version. In this post, we'll go through all features, performance improvements, changes and deprecations one by one. # New features As with every release, PHP 8.1 adds some nice new features. Keep in mind that this list will grow over the year. # Enums RFC Enums will be added in PHP 8.1! If you're unsure