1.4.1
MNT Checking function `_estimator_has` also raises `AttributeError` (#28167)
MNT add isort to ruff's rules (#26649)
DOC add docstring example in sklearn.feature_selection.SelectorMixin (#28249)
DOC Add a docstring example for feature selection functions (#28033)
MNT SLEP6: raise NotImplementedError for meta-estimators not supporting metadata routing (#27389)