Improvements 🔧

• PHP 8: Support for static return type (phpstan/phpstan-src@75ff705)
• Add support for the callable-string type (#296), thanks @ste93cry!
• Updated nikic/php-parser to 4.9.0 (phpstan/phpstan-src@05b6a54)
• Doc comment above class doesn't have to exist if it has a stub file (phpstan/phpstan-src@17315cb)
• min() and max() may return false if array size could be zero (#300), thanks @dktapps!

Bugfixes 🐛

• Fix internal error with an unknown interface (phpstan/phpstan-src@19fab3f)
• Property is also read for ??= and other assign ops (phpstan/phpstan-src@efb11ec, phpstan/phpstan-src@71c51e4), #3735, #3636
• PHAR compiler - preload src/ too (phpstan/phpstan-src@ca70ff0), #3731

Function signature fixes 🤖

• Fix nullables in DOMXPath (#299), thanks @xPaw!