1.2.0
ENH Introduces set_output API for pandas output (#23734)
MNT Applies black formatting to most of the code base (#18948)
CLN Remove unneeded variable definition in DictVectorizer.fit (#24590)
MAINT Add parameter validation to `FeatureHasher` (#24179)
MAINT clean-up unused variables and imports in cython files (#24347)
MAINT Parameter validation for `PatchExtractor` (#24215)
ENH Makes OneToOneFeatureMixin and ClassNamePrefixFeaturesOutMixin public (#24688)