Improvements 🔧

The PHAR is present only once in phpstan/phpstan distribution (https://github.com/phpstan/phpstan/pull/4390), thanks @mvorisek!
ComposerJsonAndInstalledJsonSourceLocatorMaker - optimized memory consumption for many autoloaded files (https://github.com/phpstan/phpstan-src/commit/e4b6ffdcb692c1113c0f8505849535f016bfe379), #4401
Optimized caching of isSuperTypeOf() in ObjectType (https://github.com/phpstan/phpstan-src/commit/e88491bb8507c417559343b5e4d51c1fe59b56c5)
Unification for working with current class reflection (like self::) across CallStaticMethodsRule, ClassConstantRule, AccessStaticPropertiesRule (https://github.com/phpstan/phpstan-src/commit/863e6c600a40177a20e8677cd05eca077e2b184b), https://github.com/composer/composer/pull/9635
New feature - require specifying callable signatures in PHPDocs: turn on with checkMissingCallableSignature parameter (off by default) (https://github.com/phpstan/phpstan-src/pull/430), thanks @dktapps!

Bugfixes 🐛

Fixed preserving non-empty array in array_reverse() (https://github.com/phpstan/phpstan-src/commit/3ccc152efda55793f8efc2e0b97fa720f51d6e31), #4398
OPENSSL_VERSION_NUMBER is a dynamic constant name (https://github.com/phpstan/phpstan-src/commit/c865bc3f9b245fc45d5386327456c496b53e2833)
IteratorAggregate - read key and value type from generics if getIterator() doesn't have PHPDoc type (https://github.com/phpstan/phpstan-src/commit/c75b0ea678f89369b703f520f7d801afb0a31d5f), https://github.com/phpstan/phpstan/discussions/4415
Inline @var above property should not pollute scope inside methods (https://github.com/phpstan/phpstan-src/commit/e832df4e9912e2a0616922f508290dafefcf73a0), #4412
Infer return type never from closure (https://github.com/phpstan/phpstan-src/commit/98c8dd6b72502d606c36e7a91e78e77e13db23f4), #4416
Fix excluding files when excludePaths.analyse and excludePaths.analyseAndScan are used at the same time (https://github.com/phpstan/phpstan-src/commit/09e4fbec99e04e6dad54873fbba22b3e18f27c1e), #4417
VoidType::accepts - support CompoundType (https://github.com/phpstan/phpstan-src/commit/8b4cab5ed0e3922ac359e2de5d8091382694a51a)

Remove incorrect overrides in PHP8 for proc_get_status() (#429), thanks @Firehed!