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#1645 · yangdanny97 opened on Nov 21, 2025

Descriptor override of an Any attribute is rejected with decorator syntax but accepted with explicit assignment
Bug
meta/pyrefly#5602 · opened on Nov 10, 2026
Dataclass constructors defaults don't solve type parameters
Bug
meta/pyrefly#5601 · opened on Nov 10, 2026
Relative imports fail outside the import root once a config exists (leading dot is dropped)
Bug
meta/pyrefly#5594 · opened on Nov 9, 2026
Version-gated early exits: from copy import replace is accepted but copy.replace is rejected
Bug
meta/pyrefly#5593 · opened on Nov 9, 2026
type[Self] converted to a callable drops constructor signature
Bug
meta/pyrefly#5591 · opened on Nov 9, 2026
3
warning: hiding a lifetime that's elided elsewhere is confusing
Task
meta/pyrefly#5590 · opened on Nov 9, 2026
1
Pyrefly shows inprecise method signature for __init__ when inheriting from builtin classes
Bug
meta/pyrefly#5589 · opened on Nov 8, 2026
hasattr(v, "__iter__") does not narrow int | Iterable[int]
Bug
meta/pyrefly#5582 · opened on Nov 8, 2026
1
Walrus in the right operand of and does not narrow the assigned name
Bug
meta/pyrefly#5581 · opened on Nov 8, 2026
2
Attribute access after if sys.platform != ...: return is checked against the current platform
Bug
meta/pyrefly#5580 · opened on Nov 8, 2026
not-a-type for an exception tuple extended with += and used in except
Bug
meta/pyrefly#5579 · opened on Nov 8, 2026
for loop over a subclass ignores its overridden __iter__ and uses the base class's type argument
meta/pyrefly#5570 · opened on Nov 7, 2026
Hover does not show pathlib.Path.read_text docstring
Bug
meta/pyrefly#5568 · opened on Nov 6, 2026
2
Spurious redundant-condition when using nonlocal
Bug
meta/pyrefly#5563 · opened on Nov 6, 2026
py3.15: error with sentinel + type qualifier (Final / ClassVar)
Bug
meta/pyrefly#5560 · opened on Nov 6, 2026
2
Cannot rename arrays
Bug
meta/pyrefly#5559 · opened on Nov 6, 2026
[v1.5 regression] Negative issubclass narrowing widens Never to object
Bug
meta/pyrefly#5547 · opened on Nov 5, 2026 · 1.5
[v1.5 regression] Repeating a type guard condition causes the guard to be lost
Bug
meta/pyrefly#5546 · opened on Nov 5, 2026 · 1.5
[v1.5 regression] Unknown-length *args treated as an extra argument
Bug
meta/pyrefly#5542 · opened on Nov 5, 2026 · 1.5
2
[v1.5 regression] 15% slowdown on pytorch from 1.4.0 -> 1.5.0-dev1
Bug
meta/pyrefly#5539 · opened on Nov 5, 2026 · 1.5
Renaming broken with dataclasses and pydantic models
Bug
meta/pyrefly#5538 · opened on Nov 5, 2026
bad-argument-type - false negative when calling decorator function with wrong type
Bug
meta/pyrefly#5536 · opened on Nov 5, 2026
3
Behaviour difference when virtualenv outside project
Bug
meta/pyrefly#5533 · opened on Nov 4, 2026
Django: type arguments of Field subclasses are ignored
Bug
meta/pyrefly#5532 · opened on Nov 4, 2026
1
Completion returns no items inside a function body when the typed text is a keyword (as, in, is, ...)
Bug
meta/pyrefly#5529 · opened on Nov 4, 2026

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Issues

Descriptor override of an `Any` attribute is rejected with decorator syntax but accepted with explicit assignment

Dataclass constructors defaults don't solve type parameters

Relative imports fail outside the import root once a config exists (leading dot is dropped)

Version-gated early exits: `from copy import replace` is accepted but `copy.replace` is rejected

`type[Self]` converted to a callable drops constructor signature

warning: hiding a lifetime that's elided elsewhere is confusing

Pyrefly shows inprecise method signature for init when inheriting from builtin classes

`hasattr(v, "iter")` does not narrow `int | Iterable[int]`

Walrus in the right operand of `and` does not narrow the assigned name

Attribute access after `if sys.platform != ...: return` is checked against the current platform

`not-a-type` for an exception tuple extended with `+=` and used in `except`

`for` loop over a subclass ignores its overridden `iter` and uses the base class's type argument

Hover does not show pathlib.Path.read_text docstring

Spurious `redundant-condition` when using `nonlocal`

py3.15: error with sentinel + type qualifier (Final / ClassVar)

Cannot rename arrays

[v1.5 regression] Negative issubclass narrowing widens Never to object

[v1.5 regression] Repeating a type guard condition causes the guard to be lost

[v1.5 regression] Unknown-length `*args` treated as an extra argument

[v1.5 regression] 15% slowdown on pytorch from 1.4.0 -> 1.5.0-dev1

Renaming broken with dataclasses and pydantic models

`bad-argument-type` - false negative when calling decorator function with wrong type

Behaviour difference when virtualenv outside project

Django: type arguments of Field subclasses are ignored

Completion returns no items inside a function body when the typed text is a keyword (`as`, `in`, `is`, ...)