7 Pull requests merged by 4 people

• Remove --new-type-inference flag

  #19570 merged Aug 4, 2025

• Recognize buffer protocol special methods

  #19581 merged Aug 4, 2025

• Introduce temporary named expressions for match subjects

  #18446 merged Aug 3, 2025

• [mypyc] feat: unwrap NewType types to their base types for optimized code paths

  #19497 merged Aug 3, 2025

• Interpret bare ClassVar as inferred, not Any

  #19573 merged Aug 3, 2025

• Support attribute access on enum members correctly

  #19422 merged Aug 3, 2025

• Follow-up after #19025: test and cleanup

  #19294 merged Aug 3, 2025

5 Pull requests opened by 3 people

• [mypyc] Fix async mypyc tests on Windows

  #19578 opened Aug 3, 2025

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

  #19579 opened Aug 3, 2025

• Do not use dictionary in CallableType

  #19580 opened Aug 3, 2025

• [mypyc] feat: optimize C code for str.count

  #19582 opened Aug 4, 2025

• Fix `--package-root` tests for Windows and Python 3.13+

  #19583 opened Aug 4, 2025

15 Issues closed by 1 person

• match narrowing fails when the operand is an `await` expression

  #17230 closed Aug 3, 2025

• Exhaustive checks with `assert_never` when using `match` on a 2-tuple fails

  #16650 closed Aug 3, 2025

• Type narrowing broken with dict items

  #18440 closed Aug 3, 2025

• 1.16 Release Planning

  #18739 closed Aug 3, 2025

• 1.15 Release Tracking Issue

  #18487 closed Aug 3, 2025

• [CI]: `mypy-primer(0)` timeout due to long checking of `colour`

  #19403 closed Aug 3, 2025

• Bare ClassVar should infer type instead of defaulting to Any

  #5587 closed Aug 3, 2025

• Exhaustiveness checking false positives when using `match self` or `match self.value` inside an Enum

  #15186 closed Aug 3, 2025

• Enum instance type ignored in match/case statements

  #13841 closed Aug 3, 2025

• Faulty type inference for `Enum` attributes

  #15454 closed Aug 3, 2025

• Type of an Enum nonmember is wrong when accessed through a member

  #19418 closed Aug 3, 2025

• Enum items are mistyped

  #11368 closed Aug 3, 2025

• Enum elements accessed via 'self' have 'auto' type

  #12107 closed Aug 3, 2025

• False positive for "Non-overlapping identity check" when comparing Enum variants

  #10910 closed Aug 3, 2025

• TypeVar with union bound changes return type of `type(t)()`

  #18478 closed Aug 3, 2025

1 Issue opened by 1 person

• Self type is not expanded correctly when accessed on a type variable with union bound

  #19584 opened Aug 4, 2025

26 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.

• Improve match statement union narrowing/inference

  #17600 commented on Aug 3, 2025 • 2 new comments

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

  #19503 commented on Aug 4, 2025 • 1 new comment

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

  #19494 commented on Aug 3, 2025 • 1 new comment

• Fix TypeGuard with call on temporary object

  #19577 commented on Aug 3, 2025 • 0 new comments

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

  #19574 commented on Aug 3, 2025 • 0 new comments

• [wip] [mypyc] feat: quasi-constant folding for DictExpr and TupleExpr

  #19542 commented on Aug 3, 2025 • 0 new comments

• [wip] [mypyc] feat: unroll certain for loops with known params

  #19518 commented on Aug 3, 2025 • 0 new comments

• feat: index-range err code

  #19513 commented on Aug 4, 2025 • 0 new comments

• feat(test): mypyc tests for container creation from `range`

  #19511 commented on Aug 4, 2025 • 0 new comments

• [mypyc] feat: true_dict_rprimitive for optimized dict fastpath usage

  #19499 commented on Aug 4, 2025 • 0 new comments

• feat: `__repr__` method for RefExpr and NameExpr

  #19486 commented on Aug 4, 2025 • 0 new comments

• feat: new mypyc primitives for weakref.proxy

  #19217 commented on Aug 4, 2025 • 0 new comments

• WIP: new mypyc primitive for `weakref.ref.__call__`

  #19145 commented on Aug 4, 2025 • 0 new comments

• Improve cli help somewhat

  #19073 commented on Aug 3, 2025 • 0 new comments

• feat(mypyc): proper weakref support

  #19056 commented on Aug 4, 2025 • 0 new comments

• PEP 702 (@deprecated): improve the handling of overloaded functions and methods

  #18682 commented on Aug 4, 2025 • 0 new comments

• [regression] Type narrowing for through `not issubclass(…)` broken for union of TypeVar instance / types in 1.17

  #19529 commented on Aug 4, 2025 • 0 new comments

• mypy infer incorrect types in frozen dataclass with descriptors as attributes.

  #17601 commented on Aug 4, 2025 • 0 new comments

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

  #19491 commented on Aug 4, 2025 • 0 new comments

• Mypy crash on master with property alias with setters

  #19572 commented on Aug 4, 2025 • 0 new comments

• Meta issue tracker, pt 2

  #16472 commented on Aug 3, 2025 • 0 new comments

• Improve precision of mypy performance tracking

  #14358 commented on Aug 3, 2025 • 0 new comments

• Mypy/dmypy takes over 16GB of memory

  #17105 commented on Aug 3, 2025 • 0 new comments

• Unexpected order dependence when assigning to multiple targets

  #19553 commented on Aug 3, 2025 • 0 new comments

• Crash when type variable has same name as an external symbol with an erroneous definition in PEP 695 generic class

  #19526 commented on Aug 3, 2025 • 0 new comments

• `comparison-overlap` triggers for string enum members when the member name isn't the same as the comparison value

  #19576 commented on Aug 3, 2025 • 0 new comments