PHP 8.1 is the next major PHP version, up for release on November 2021.
PHP 8.1 will bring Enums, Fibers, never return type, and more!
PHP 8.0, on the 25th year of PHP history, brings several important features such as Union Types, JIT, Constructor Property Promotion, Match Syntax, Named Parameters, and several more performance, syntax, and quality-of-life improvements.
PHP 7.4, the final release in the PHP 7.x series. PHP 7.4 brings typed properties, underscore numeric separator, and other minor improvements to PHP.
Heredoc/nowdoc syntax improvements and a bunch of legacy code deprecations.
Argon2 password hashing support, class constant visibility, object type, and many more.