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Converting a tuple of tuples into a dict takes too much time and memory

performancePotential performance improvementPotential performance improvement

Status: Open.

#3026 In astral-sh/ty;

· pevzi opened on Mar 12, 2026

VSCode python Interpreter not taken from tool.ty.environment

configurationRelated to settings and configurationRelated to settings and configuration

serverRelated to the LSP serverRelated to the LSP server

Status: Open.

#3025 In astral-sh/ty;

· mattangus opened on Mar 12, 2026

Docstring missing on @overload methods (but not plain functions)

serverRelated to the LSP serverRelated to the LSP server

Status: Open.

#3024 In astral-sh/ty;

· janfer95 opened on Mar 12, 2026

Performance regressions since Beta

performancePotential performance improvementPotential performance improvement

Status: Open.

#3023 In astral-sh/ty;

· MichaReiser opened on Mar 12, 2026

·  

Stable

False positive when applying a decorator using an union with a bounded typevar

genericsBugs or features relating to ty's generics implementationBugs or features relating to ty's generics implementation

Status: Open.

#3022 In astral-sh/ty;

· Wizzerinus opened on Mar 12, 2026

·  

Stable

Cannot resolve imported module

importsModule resolution, site-packages discovery, import-related diagnosticsModule resolution, site-packages discovery, import-related diagnostics

questionAsking for support or clarificationAsking for support or clarification

Status: Open.

#3021 In astral-sh/ty;

· murolem opened on Mar 12, 2026

ty_extensions.CallableTypeOf always considers the callable as function-like

bugSomething isn't workingSomething isn't working

testingRelated to testing ty itselfRelated to testing ty itself

Status: Open.

#3020 In astral-sh/ty;

· dhruvmanila opened on Mar 12, 2026

Use virtual documents to serve vendored stubs using LSP 3.18

serverRelated to the LSP serverRelated to the LSP server

wishNot on the current roadmap; maybe in the futureNot on the current roadmap; maybe in the future

Status: Open.

#3018 In astral-sh/ty;

· dhruvmanila opened on Mar 11, 2026

Promote literals in contravariant position, not just invariant

genericsBugs or features relating to ty's generics implementationBugs or features relating to ty's generics implementation

Status: Open.

#3016 In astral-sh/ty;

· Tinche opened on Mar 10, 2026

·  

Stable

unresolved-import regression (0.0.18→0.0.19+): implicit namespace package spread across multiple .pth editable installs in uv workspace

importsModule resolution, site-packages discovery, import-related diagnosticsModule resolution, site-packages discovery, import-related diagnostics

needs-mreNeeds more information for reproductionNeeds more information for reproduction

Status: Open.

#3014 In astral-sh/ty;

· kaaloo opened on Mar 10, 2026

Difference between [float] * n and [float for _ in range(n)] for type checking?

bidirectional inferenceInference of types that takes into account the context of a declared type or expected typeInference of types that takes into account the context of a declared type or expected type

questionAsking for support or clarificationAsking for support or clarification

Status: Open.

#3013 In astral-sh/ty;

· alechouse97 opened on Mar 10, 2026

panic: "too many cycle iterations" when checking simple loop

control flow

fatala fatal error (panic or crash)a fatal error (panic or crash)

Status: Open.

#3011 In astral-sh/ty;

· timc-passiv opened on Mar 10, 2026

·  

Pre-stable 1