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Incorrect type resolution when indexing Pandas dataframe

Status: Open.

#2117 In facebook/pyrefly;

· JussiSpogen opened on Jan 15, 2026

panic: key lacking binding, module=__unknown__ with fuzzed assignment

Status: Open.

#2116 In facebook/pyrefly;

· correctmost opened on Jan 15, 2026

Include classes in <code>pyrefly report</code>?

Status: Open.

Feature

#2110 In facebook/pyrefly;

· MarcoGorelli opened on Jan 14, 2026

Pyrefly suggests attributes from wrong type in union

typechecking

Status: Open.

Bug

#2108 In facebook/pyrefly;

· rchen152 opened on Jan 14, 2026

bad-assignment on assignment to a descriptor (regression)

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.

sqlalchemyIssues related to support for SQLAlchemy 2.0Issues related to support for SQLAlchemy 2.0

typechecking

Status: Open.

Bug

#2107 In facebook/pyrefly;

· rchen152 opened on Jan 14, 2026

Odd warning on shutil.rmtree and ExitStack.callback

typechecking

Status: Open.

Bug

#2105 In facebook/pyrefly;

· warsaw opened on Jan 13, 2026

cython support

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

#2097 In facebook/pyrefly;

· asukaminato0721 opened on Jan 13, 2026

inlay hint don't shown in tuple unpack

language-serverIssues specific to our IDE integration rather than type checkingIssues specific to our IDE integration rather than type checking

Status: Open.

Feature

#2096 In facebook/pyrefly;

· asukaminato0721 opened on Jan 13, 2026

Solved generic parameter of list "forgotten" in VSCode Extension

language-serverIssues specific to our IDE integration rather than type checkingIssues specific to our IDE integration rather than type checking

typechecking

Status: Open.

Bug

#2082 In facebook/pyrefly;

· breid48 opened on Jan 12, 2026

non-exhaustive-match false positive for utility / "self" functions on the enum.

typechecking

Status: Open.

Bug

#2080 In facebook/pyrefly;

· samskiter opened on Jan 12, 2026

Make some sort of UI signal in VS Code if we fail to parse pyproject.toml

help wantedLarger than "good first issue", but still well-defined and ready for someone to pick upLarger than "good first issue", but still well-defined and ready for someone to pick up

Status: Open.

Feature

#2078 In facebook/pyrefly;

· yangdanny97 opened on Jan 12, 2026

False positive when summing a list of ints after appending in a loop

typechecking

Status: Open.

Bug

#2077 In facebook/pyrefly;

· rchen152 opened on Jan 12, 2026