Bugfixes 🐛

Calling to a constructor with promoted properties has side effects (phpstan/phpstan-src@8b27943), #12379
Support arrays with union value-types in implode() (#3772), #11854, thanks @staabm!
Avoid false inference with instanceof (#3657), thanks @VincentLanglet!
Casting ArrayObject to array should not lead to array shape (phpstan/phpstan-src@d38ed50), #12182
Add ArrayChangeKeyCaseFunctionReturnTypeExtension (#3549), #11795, #10960, thanks @VincentLanglet!
More precise hash() return type (#3665), thanks @VincentLanglet!
Fix union of lowercase/uppercase string with empty string (#3751), thanks @VincentLanglet!
Implement OpenSslEncryptParameterOutTypeExtension (#3753), thanks @paulbalandan!
Update Symfony polyfills (phpstan/phpstan-src@24cdeac), #12443
Inferring new from parent constructor - reject types that would fail bound check of the child class (phpstan/phpstan-src@d06f792), #12386

Function signature fixes 🤖

More specific return type for stream_context_get_params (phpstan/phpstan-src@ff1feee), #11796

Makefile: Disable Xdebug in dev tools (#3467), thanks @staabm!
MinMaxFunctionReturnTypeExtension: Cleanup instanceof ConstantScalarType (#3773), thanks @staabm!