Major new features 🚀

• Object shapes, #2923
  • Documentation
  • Twitter thread about implementing it
  • phpdoc-parser implementation

Bleeding edge 🔪

• Stricter function signature map (https://github.com/phpstan/phpstan-src/commit/06b746d8e72cc0843707896ec161559bb6a81137, #2163), #7239, thanks @staabm!
• Specify Imagick parameter types (#2334), thanks @zonuexe!

If you want to see the shape of things to come and adopt bleeding edge features early, you can include this config file in your project's phpstan.neon:

includes:
	- vendor/phpstan/phpstan/conf/bleedingEdge.neon

Of course, there are no backwards compatibility guarantees when you include this file. The behaviour and reported errors can change in minor versions with this file included. Learn more

Improvements 🔧

• Improve filter_* array handling, support FILTER_REQUIRE_ARRAY (#2318), thanks @herndlm!
• Asymmetric @property types (#2327, #2328, #2329), #9062, thanks @jtojnar!
• Specify return type for filter_input() (#2010), #6261, thanks @herndlm!
• Improve return type precision of filter_input with invalid first args (#2333), thanks @herndlm!
• Allow @property and @method to override above the same class (https://github.com/phpstan/phpstan-src/commit/3467a215cf4fdb0a7ba39edd47f986cb9910902f)
• Add FilterVarArrayDynamicReturnTypeExtension (#2257), thanks @zonuexe!

Bugfixes 🐛

• Fix usage of TypeSpecifierContext::truthy() (#2230), #3013, #7686, thanks @VincentLanglet!
• Parent template type should respect child class bound when unspecified (https://github.com/phpstan/phpstan-src/commit/1017dc7bc7c997e07c488088a199427790c5ef5a), https://github.com/phpstan/phpstan-doctrine/issues/333
• Fix bug with match expression and treatPhpDocTypesAsCertain (#2250), #8937, thanks @VincentLanglet!
• Generics: fix position variance of readonly-by-phpdoc properties (#2337), #9153, thanks @jiripudil!
• PHPStan Pro - show errors from CollectedData (https://github.com/phpstan/phpstan-src/commit/b85a9613be49b917133a97ff20d0d94a0aa07876)
• Fix methods in IntersectionTypePropertyReflection (https://github.com/phpstan/phpstan-src/commit/d1c4c6d014eea52895b4c0655777134e1cd3c7ce)

Function signature fixes 🤖

• Improve Imagick method types (#2325), thanks @zonuexe!

Internals 🔍

• Switch to cweagans/composer-patches (#2307), thanks @herndlm!
• WritingToReadOnlyPropertiesRule - hook on better node (https://github.com/phpstan/phpstan-src/commit/bddf57352f07f3a5007afb26cc44445c6344d35b)
• Validate usages of assert* functions in TypeInferenceTestCase (#2326), thanks @staabm!