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Panics on incomplete 'from' statement at import_tracker.rs:78:34 [v1.2.9002 pre-release]

crash

Status: Open.

#4587 In facebook/pyrefly;

· MizuyoruTW opened on Aug 19, 2026

Regression in 1.3.0.dev1: false-positive invalid-type-var for a module-qualified TypeVar in a class base subscript

typechecking

Status: Open.

Bug

#4585 In facebook/pyrefly;

· choru-k opened on Aug 19, 2026

Wrong python interpreter on windows

configuration

Status: Open.

Bug

#4584 In facebook/pyrefly;

· RainbowC0 opened on Aug 19, 2026

support SCIP for code indexing

needs-discussionAn issue where it's not clear whether there is a bug or we are behaving as expected.An issue where it's not clear whether there is a bug or we are behaving as expected.

Status: Open.

Feature

#4583 In facebook/pyrefly;

· asukaminato0721 opened on Aug 19, 2026

Conflicted type definitions between installed packages and bundled modules

configuration

Status: Open.

Bug

#4576 In facebook/pyrefly;

· RainbowC0 opened on Aug 18, 2026

Wrong typechecking with Literal['a','b','c'] for params unpacked from **{"arg":"a"}

Status: Open.

#4574 In facebook/pyrefly;

· RainbowC0 opened on Aug 18, 2026

Run conformance tests in github CI

Status: Open.

Task

#4573 In facebook/pyrefly;

· stroxler opened on Aug 18, 2026

Support config inheritance (extends) so a generated pyrefly.toml can build on [tool.pyrefly]

configuration

Status: Open.

Feature

#4572 In facebook/pyrefly;

· manmartgarc opened on Aug 18, 2026

Pydantic fields and Literal types seem to lose type inference when literal args > 4

pydanticIssues related to support for PydanticIssues related to support for Pydantic

Status: Open.

Bug

#4569 In facebook/pyrefly;

· neuromantik33 opened on Aug 17, 2026

Support Polars DataFrame.unpivot schema inference

dataframe

Status: Open.

Bug

#4566 In facebook/pyrefly;

· shobhitmehro opened on Aug 17, 2026

·  

v1.3

Pyrefly loses Polars DataFrame schemas for positional with_columns and keyword select

dataframe

Status: Open.

Bug

#4565 In facebook/pyrefly;

· shobhitmehro opened on Aug 17, 2026

·  

v1.3

implicit-reexport does not consider __all__.remove(...).

typechecking

Status: Open.

Bug

#4564 In facebook/pyrefly;

· dillydill123 opened on Aug 17, 2026