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numpy.int8(1) << 6 gives Unknown with numpy 2.5.1, python 3.14.6

Status: Open.

#4416 In facebook/pyrefly;

· cmp0xff opened on Aug 3, 2026

Bug in 1.2.0 - No matching overload found - probably regression

typechecking

Status: Open.

Bug

#4413 In facebook/pyrefly;

· gothicVI opened on Aug 3, 2026

Object of class FunctionType has no attribute return_value [missing-attribute]

typechecking

Status: Open.

#4412 In facebook/pyrefly;

· asukaminato0721 opened on Aug 3, 2026

Annotation-only class attribute unresolvable in the same class body

typechecking

typeshed

Status: Open.

Bug

#4411 In facebook/pyrefly;

· yangdanny97 opened on Aug 3, 2026

Cannot resolve forward ref to nested class in another attr of enclosing class

typechecking

typeshed

Status: Open.

Bug

#4410 In facebook/pyrefly;

· yangdanny97 opened on Aug 3, 2026

Type-Variables bound to Any are treated as object

typechecking

Status: Open.

#4405 In facebook/pyrefly;

· randolf-scholz opened on Aug 2, 2026

**dict[str, Any] unpack in a dict literal defeats anonymous-TypedDict inference; the splat then fails (mypy and Pyright accept)

narrowingIssues with narrowing - root cause is usually narrowing, flow handling, or bothIssues with narrowing - root cause is usually narrowing, flow handling, or both

typechecking

Status: Open.

#4404 In facebook/pyrefly;

· hypzz opened on Aug 2, 2026

LSP server does not honor project-excludes setting

Status: Open.

#4403 In facebook/pyrefly;

· correctmost opened on Aug 2, 2026

Ignore files and hidden-dir filtering exclude every include when the project is a linked git worktree under a hidden directory

Status: Open.

#4401 In facebook/pyrefly;

· willemkokke opened on Aug 1, 2026

Pydantic PrivateAttr fields should be writable?

pydanticIssues related to support for PydanticIssues related to support for Pydantic

Status: Open.

#4400 In facebook/pyrefly;

· jeremander opened on Aug 1, 2026

lsp diagnostics does not work for scripts without an extension

Status: Open.

#4397 In facebook/pyrefly;

· memchr opened on Aug 1, 2026

Inserting an inlay hint causes incorrect hints after keyword arguments

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

Status: Open.

#4387 In facebook/pyrefly;

· vincevannoort opened on Aug 1, 2026