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Incorrect type narrowing for literal patterns

Status: Open.

#1349 In astral-sh/ty;

· erictraut opened on Oct 14, 2025

Display variance on hover over type variables

serverRelated to the LSP serverRelated to the LSP server

Status: Open.

Feature

#1348 In astral-sh/ty;

· mtshiba opened on Oct 13, 2025

<code>types.ModuleType.__getattr__</code> is never respected

attribute accessInstance attributes, class attributes, etc.Instance attributes, class attributes, etc.

bugSomething isn't workingSomething isn't working

Status: Open.

#1346 In astral-sh/ty;

· AlexWaygood opened on Oct 13, 2025

Allow an attribute declared in a superclass's class body to be overridden by an attribute redeclared in a subclass's <code>__init__</code> method

attribute accessInstance attributes, class attributes, etc.Instance attributes, class attributes, etc.

Status: Open.

#1345 In astral-sh/ty;

· AlexWaygood opened on Oct 13, 2025

Distinguish "declared" and "inferred" <code>Place</code>s

internalAn internal refactor or improvementAn internal refactor or improvement

Status: Open.

#1341 In astral-sh/ty;

· sharkdp opened on Oct 13, 2025

0.0.1-alpha.22 is hanging

hang

needs-infoMore information is needed from the issue authorMore information is needed from the issue author

Status: Open.

#1337 In astral-sh/ty;

· galah92 opened on Oct 12, 2025

Issues with kwarg splats inside dictionary literals

bugSomething isn't workingSomething isn't working

runtime semanticsAccurate modeling of how Python's semantics work at runtimeAccurate modeling of how Python's semantics work at runtime

Status: Open.

#1332 In astral-sh/ty;

· AlexWaygood opened on Oct 10, 2025

· 

GA

<code>shutdown</code> request fails with "invalid type: map, expected unit" when params is empty object

serverRelated to the LSP serverRelated to the LSP server

Status: Open.

#1330 In astral-sh/ty;

· achyudh opened on Oct 10, 2025

Ty misses required-field diagnostic for SQLModel (works for BaseModel)

libraryDedicated support for popular third-party librariesDedicated support for popular third-party libraries

Status: Open.

#1329 In astral-sh/ty;

· Duckling92 opened on Oct 9, 2025

Throws error notification on Claude Code edits

serverRelated to the LSP serverRelated to the LSP server

Status: Open.

#1328 In astral-sh/ty;

· AndrewNolte opened on Oct 9, 2025

<code>dataclass_transform</code>: feature overview

dataclassesIssues relating to dataclasses and dataclass_transformIssues relating to dataclasses and dataclass_transform

Status: Open.

#1327 In astral-sh/ty;

· sharkdp opened on Oct 9, 2025

· 

GA

Add a diagnostic that errors when a user accesses an instance method off a type[] type

unsoundnessTy can give an expression type T, but at runtime it can have a non-T value, with no diagnostic.Ty can give an expression type T, but at runtime it can have a non-T value, with no diagnostic.

Status: Open.

#1326 In astral-sh/ty;

· carljm opened on Oct 8, 2025