1.5.2
MNT upgrade black version (#28802)
DOC use pydata-sphinx-theme for the website (#29038)
DOC Elaborate on the criterion used for poisson regression using decision trees. (#29230)
MNT remove unnecessary cython.import_array (#28656)
FIX handle properly missing value in MSE and Friedman-MSE `children_impurity` (#28327)
FIX Work around likely SIMD issue in tree export on 32bit OS (#29327)
DOC fix broken citeseer links (#24800)
MAINT Pass ParentInfo rather than explicit variables (#28614)
MAINT Follow cython performance hints (#27521)
MAINT Convert `int` to `intp_t` ctype def in `tree/` related code (#27546)
BLD Fix more build dependencies in meson build (#28821)