Improvements 🔧

Support for --memory-limit CLI option in clear-result-cache command (phpstan/phpstan-src@156700b), #6432
Pass verbosity to workers and show stack trace on error (#935), thanks @benja-M-1!
Move collecting errors from error handler from Analyser to FileAnalyser to be used in parallel runs too (phpstan/phpstan-src@7dd699f)
Use memory limit management trick from Laravel instead of the current .memory_limit file (phpstan/phpstan-src@daf7d55), https://twitter.com/timacdonald87/status/1484804225658146823

Bugfixes 🐛

Fix unset() on intersection with hasOffset (phpstan/phpstan-src@b43c057), #6399, #4357
ConstantStringType - catch Error in setOffsetValueType (phpstan/phpstan-src@54f67c5), #6231
Fix reflection error for the attribute #[ReturnTypeWillChange] on PHP 7.1-7.4 (ondrejmirtes/BetterReflection@bf36244, phpstan/phpstan-src@639a055), #6414
Fix array_filter with callback that always evaluates to false (#939), thanks @herndlm!
Fix iterable key and value type - prefer generic type variables instead of key()/current() typehints (phpstan/phpstan-src@a2acf64), #5817
Fix trait detection recursion for anonymous classes (#946), thanks @herndlm!
Fix internal error with a big number in for loop condition (phpstan/phpstan-src@f1734dc), #6466

Add missing Ds\Set::reduce() to stubs (#942), thanks @ZebulanStanphill!
Refine *strlen() return type to exclude negative integers (#945), thanks @staabm!
Bugfix DatePeriod::getEndDate declaration (#951), thanks @nyamsprod!