11 Pull requests merged by 7 people

• PEP 702 (@deprecated): handle "combined" overloads

  #19626 merged Aug 10, 2025

• [mypyc] Fix seg fault due to heap type objects with static tp_doc

  #19636 merged Aug 10, 2025

• Two more micro-optimizations

  #19627 merged Aug 9, 2025

• Cache common instances

  #19621 merged Aug 9, 2025

• Further fix overload diagnostic for vararg and varkwarg

  #19619 merged Aug 9, 2025

• [mypyc] Provide instructions for resolving missing test module on Windows

  #19579 merged Aug 9, 2025

• Fix crash on settable property alias

  #19615 merged Aug 8, 2025

• PEP 702 (@deprecated): consider overloads in snapshot descriptions

  #19613 merged Aug 8, 2025

• Fix overload diagnostic when vararg and varkwarg can match

  #19614 merged Aug 8, 2025

• Fix TypeGuard with call on temporary object

  #19577 merged Aug 8, 2025

• Fix #19491, crash when using enable_error_code value of wrong type in pyproject.toml

  #19494 merged Aug 8, 2025

11 Pull requests opened by 5 people

• feat: proper narrowing for TypedDict keys and values

  #19610 opened Aug 7, 2025

• WIP [mypyc] optimize f-string building

  #19611 opened Aug 7, 2025

• Make IntEnum/StrEnum values passable to functions expecting literal ints or strs

  #19617 opened Aug 8, 2025

• [mypyc] feat: stararg fastpath when calling fn(*args) with tuple

  #19623 opened Aug 9, 2025

• [mypyc] feat: extend stararg fastpath from #19623 to handle lists and generic sequences

  #19629 opened Aug 9, 2025

• [mypyc] feat: extend stararg fastpath from #19629 with star2 fastpath

  #19630 opened Aug 9, 2025

• [mypyc] feat: PyObject_CallObject op for fn(*args)

  #19631 opened Aug 9, 2025

• Another two micro-optimizations

  #19633 opened Aug 9, 2025

• Special-case enum method calls

  #19634 opened Aug 10, 2025

• Fix `--strict-equality` for iteratively visited code

  #19635 opened Aug 10, 2025

• Remove some of the Anys from mypy/config_parser.py

  #19637 opened Aug 10, 2025

8 Issues closed by 3 people

• Mypy configuration is incomplete

  #19429 closed Aug 9, 2025

• `__new__` return types are not respected (reported as error and overwritten by the current class) unless the return type is a subclass of the current class

  #19624 closed Aug 9, 2025

• MyPy does not recognize methods as `MethodType`, only as `Callable`

  #19620 closed Aug 9, 2025

• Mypy crash on master with property alias with setters

  #19572 closed Aug 8, 2025

• False positive on overload implementation does not accept all possible arguments with varargs

  #19612 closed Aug 8, 2025

• Incorrect handling of overloads with `defaultdict` and `MutableMapping`

  #19525 closed Aug 8, 2025

• TypeGuard/TypeIs broken on __call__ with fresh class

  #19575 closed Aug 8, 2025

• Crash when using an invalid 'enable_error_code' value in pyproject.toml

  #19491 closed Aug 8, 2025

6 Issues opened by 6 people

• `name-defined` is whitespace-dependent

  #19632 opened Aug 9, 2025

• Specify behavior for `Literal?` types.

  #19625 opened Aug 9, 2025

• Severe performance degradation with lots of constrained type variables in a generic class

  #19622 opened Aug 9, 2025

• unexpected "var-annotated" when using constrained TypeVar

  #19618 opened Aug 8, 2025

• MyIntEnum.ONE should be passable to functions expecting Literal[1] arguments

  #19616 opened Aug 8, 2025

• Wrong inference for `abs/__abs__` or function that calls a method on a generic type.

  #19609 opened Aug 7, 2025

22 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• join is not always symmetric

  #19551 commented on Aug 7, 2025 • 0 new comments

• Run without module detection logic

  #10428 commented on Aug 7, 2025 • 0 new comments

• False positive - Type narrowing of class attributes

  #17537 commented on Aug 7, 2025 • 0 new comments

• `Final` nested inside `ClassVar` results in `Any`

  #19607 commented on Aug 7, 2025 • 0 new comments

• TypeGuard behavior does not match python semantics in async functions

  #19608 commented on Aug 7, 2025 • 0 new comments

• For tuple in match, _ isn't determined to be Never, but _, _ is

  #18792 commented on Aug 8, 2025 • 0 new comments

• segfault on recursive generic function class

  #18219 commented on Aug 8, 2025 • 0 new comments

• Internal error: De-serialization failure: `TypeInfo` not fixed

  #18087 commented on Aug 8, 2025 • 0 new comments

• `meet_types` gives unexpected results when meeting literal and Instance

  #19560 commented on Aug 9, 2025 • 0 new comments

• Type narrowing for a tuple is worse with match than with the equivalent isinstance check

  #19082 commented on Aug 9, 2025 • 0 new comments

• Announcement issue for plugin API changes

  #6617 commented on Aug 9, 2025 • 0 new comments

• Allow any type to be returned by `__new__`

  #14471 commented on Aug 9, 2025 • 0 new comments

• feat(mypyc): proper weakref support

  #19056 commented on Aug 7, 2025 • 0 new comments

• feat: new mypyc primitives for weakref.proxy

  #19217 commented on Aug 7, 2025 • 0 new comments

• Do not display import-related errors after module-level always false assert

  #19347 commented on Aug 8, 2025 • 0 new comments

• Try to fix problems caused by in-place modification of typevar defaults

  #19382 commented on Aug 8, 2025 • 0 new comments

• Apply union expansion when checking ops involving typevars

  #19455 commented on Aug 8, 2025 • 0 new comments

• [mypyc] feat: cache len for iterating over immutable types and expressions with length known at compile time

  #19503 commented on Aug 7, 2025 • 0 new comments

• [stubtest] Check runtime availability of private types not marked `@type_check_only`

  #19574 commented on Aug 8, 2025 • 0 new comments

• Better support for `SomeEnum.item == some_literal`

  #19594 commented on Aug 8, 2025 • 0 new comments

• Fix `meet_types` for literal and instance

  #19605 commented on Aug 9, 2025 • 0 new comments

• [refactor] Remove code that "disables deprecation warnings about \u"

  #19606 commented on Aug 7, 2025 • 0 new comments