Improvements 🔧

New Docker image hosted in GitHub Container Registry and based on PHP 8. See the homepage and the documentation.
Support for attributes (PHP 8)
Result cache does not get invalidated when only ignoreErrors changes (https://github.com/phpstan/phpstan-src/commit/ef84d9444f889ac5606c37ce80d2fa5f19072cb8) - this makes working with the baseline instantaneous!
Result cache - do not restore and save when only files (not directories) are passed as analysed paths (https://github.com/phpstan/phpstan-src/commit/dd11e250007d211a420dfe3da132d08bb2180d7c)
FunctionCallParametersCheck - more precise lines (https://github.com/phpstan/phpstan-src/commit/ba119bcc7b95a46f887c124f4f0d096a0e9c66ca)

Bugfixes 🐛

Refactored levels that report named arguments errors (https://github.com/phpstan/phpstan-src/commit/1e42295fdce7ef14ab8fc1bc83d00ce8e9e08c43)
TeamcityErrorFormatter - attempt to fix notFileSpecificErrors that do not appear (https://github.com/phpstan/phpstan-src/commit/8ec0a963075432d0041f380abf085a4759d3d966)
Fix FloatType equaling ConstantFloatType (#375), thanks @jlherren!
Fixed wrong closure typehint (https://github.com/phpstan/phpstan-src/commit/50aff6d16cc6d3d3d04778ac579b25c9698b6d74), #4097
PhpFunctionReflection - do not return nonexistent filename (https://github.com/phpstan/phpstan-src/commit/e496d71a77ab3b13fb09d2b76e55affd3610bdf4, https://github.com/phpstan/phpstan-src/commit/f000222ca5345d40efa920e52317bdd3bc8c5ea4, https://github.com/phpstan/phpstan-src/commit/3ea4fc30474cba6db3dbf99d7e9006756ed8c983), #4089
Updated BetterReflection (https://github.com/phpstan/phpstan-src/commit/73a0c1bf421491501b7a56f053d5df252ddc223c), #4095
Turns out static method can be called on a trait (https://github.com/phpstan/phpstan-src/commit/86c11d335debcfd926ec53213a11d19831891566), #4107