1.5.2
FIX handle inconsistence between `fill_value` and `X` dtype in `SimpleImputer` (#28365)
DOC use pydata-sphinx-theme for the website (#29038)
FEA Add writeable parameter to check_array (#29018)
MAINT cleanup utils.__init__: move indexing tools into dedicated submodule (#28546)
DOC update KNNImputer `metric` parameter by describing the expected interface when passing a callable (#29776)