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Spec/Conformance: subtyping callables with non-constant parameter mapping.

topic: typing specFor improving the typing specFor improving the typing spec

Status: Open.

#2224 In python/typing;

· randolf-scholz opened on Mar 22, 2026

Conformance: test that @override checks are honored for __init__ / __new__

topic: conformance testsIssues with the conformance test suiteIssues with the conformance test suite

Status: Open.

#2222 In python/typing;

· randolf-scholz opened on Mar 19, 2026

Add decorator to mark class as concrete / instantiable

topic: featureDiscussions about new features for Python's type annotationsDiscussions about new features for Python's type annotations

Status: Open.

#2220 In python/typing;

· mdekstrand opened on Mar 16, 2026

spec/conformance: function with TypeVar default and default argument used in context.

topic: typing specFor improving the typing specFor improving the typing spec

Status: Open.

#2213 In python/typing;

· randolf-scholz opened on Mar 8, 2026

generics_defaults.py mandates that type checkers should allow a class that raises TypeError at runtime

topic: conformance testsIssues with the conformance test suiteIssues with the conformance test suite

Status: Open.

#2211 In python/typing;

· AlexWaygood opened on Mar 8, 2026

Allow returning unions/intersections rather than Any for amiguous overloads.

topic: featureDiscussions about new features for Python's type annotationsDiscussions about new features for Python's type annotations

topic: typing specFor improving the typing specFor improving the typing spec

Status: Open.

#2196 In python/typing;

· randolf-scholz opened on Feb 25, 2026

[match-case]: TypedDict interaction with mapping pattern

topic: featureDiscussions about new features for Python's type annotationsDiscussions about new features for Python's type annotations

Status: Open.

#2185 In python/typing;

· randolf-scholz opened on Feb 20, 2026

Add PEP 747 to the spec and conformance suite

topic: conformance testsIssues with the conformance test suiteIssues with the conformance test suite

topic: typing specFor improving the typing specFor improving the typing spec

Status: Open.

#2182 In python/typing;

· JelleZijlstra opened on Feb 20, 2026

Does field_specifier support non-keyword arguments?

topic: documentationDocumentation-related issues and PRsDocumentation-related issues and PRs

Status: Open.

#2170 In python/typing;

· alanhdu opened on Feb 11, 2026

Introduce a type for an unknown invariant generic param that behaves strictly

topic: featureDiscussions about new features for Python's type annotationsDiscussions about new features for Python's type annotations

Status: Open.

#2169 In python/typing;

· vladfi1 opened on Feb 6, 2026

Positional arguments to TypedDict constructor

topic: typing specFor improving the typing specFor improving the typing spec

Status: Open.

#2161 In python/typing;

· JelleZijlstra opened on Jan 28, 2026

Spec and conformance tests disagree on converting constructors into callable for classes with __new__ and __init__

topic: conformance testsIssues with the conformance test suiteIssues with the conformance test suite

topic: typing specFor improving the typing specFor improving the typing spec

Status: Open.

#2158 In python/typing;

· fangyi-zhou opened on Jan 24, 2026