pylint 4.0.10 on Python PyPI

What's new in Pylint 4.0.10?

Release date: 2026-09-29

Fix false positives for :ref:unnecessary-lambda when a variable referenced in
the called expression is assigned, reassigned, or deleted later in the same scope.
Closes #8192
Fix a false positive for unused-argument in dataclass __new__ methods
when the arguments are consumed by a generated __init__ method.
Closes #9843
Fix a false positive for missing-kwoa when keyword-only arguments are passed
through a **kwargs dictionary that is not a literal at the call site, for
example one filled with options["key"] = value after its creation.
Closes #10029
ungrouped-imports no longer reports imports inside mutually exclusive
OS guard branches (if os.name == "nt": / if sys.platform == "win32":),
matching the existing behavior for sys.version_info guards.
Closes #10460

A TypeError crash could occur when checking a for loop that
iterates over a subscript with non-numeric constant bounds or a zero
step, e.g. for a, b in {"k": [][0: ""]}.values():.
Closes #11472
Fix a crash (AttributeError: 'ClassDef' object has no attribute 'expr') in the
import-private-name extension when an annotated assignment's value is an
attribute access on a call rooted at a non-Name node, e.g. x: str = ''().a.
Closes #11479