Improvements 🔧

• DumpParametersCommand: --json option (https://github.com/phpstan/phpstan-src/commit/91a0002402123b96a08978ba400b5d76d5456693)
• Implement reportUncheckedExceptionDeadCatch option (defaults to true) (#2648), #9921, thanks @VincentLanglet!
• Support union types in array_chunk() (#2635), thanks @staabm!
• Result cache: Indicate key differences in cache metadata (#2630), thanks @staabm!
• Get rid of annoying "on an unknown class ReflectionEnum" error on PHP < 8.0 (https://github.com/phpstan/phpstan-src/commit/2b9af363a3d2a9620c4b9bfb65e81813b69623d0)

Bugfixes 🐛

• Fix resolving nested conditional types with union subjects (#2641), #9860, thanks @rvanvelzen!
• Detect array_rand second parameter (#2633), #9803, thanks @staabm!
• Fix subtracting types from union template types (#2652), #9939, thanks @rvanvelzen!
• fix infinite cycle due to incorrect implements/extends (#2483), thanks @schlndh!
• Fix ConstantFloatType value dump precision (#2358), thanks @mvorisek!
• Do not trigger PhpDocInheritanceResolver if we do not need the PHPDoc type when resolving the type of ClassConstFetch (#2414), #9039, thanks @VincentLanglet!

Function signature fixes 🤖

• connection_* functions are impure (#2555), thanks @staabm!
• Add stubs for mysqli and mysqli_result classes (#2295), thanks @phansys!

Internals 🔍

• E2E test about env variables in config parameters (https://github.com/phpstan/phpstan-src/commit/980ab5bba4de0246587647e8cf6b7abe95697379)
• Prevent unnecessary calls to getFiniteTypes() (#2636), thanks @staabm!
• Remove unnecessary IO (#2613), thanks @staabm!
• Restrict "Merge maintained branch" workflow to the main repository (#2654), thanks @thg2k!