1.3.1
MAINT use .toarray instead of .A that is deprecated (#27367)
MNT add isort to ruff's rules (#26649)
ENH Allow for appropriate dtype us in `preprocessing.PolynomialFeatures` for sparse matrices (#23731)
DOC add reference DOI in PowerTransformer (#27247)
DOC Add links to preprocessing examples in docstrings and userguide (#26877)
MAINT: Remove np.in1d and np.trapz usages (#27140)
MAINT Remove soon-to-be deprecated scipy.sparse functions (#26751)
MAINT Cython linting (#25861)