1.5.2
BLD Add Meson OpenMP checks (#29762)
TST fix tolerance as in #29400
DOC use pydata-sphinx-theme for the website (#29038)
FIX bagging with metadata routing and estimator implement __len__ (#28734)
MAINT cleanup utils.__init__: move _print_elapsed_time into dedicated submodule (#28662)
DOC Add warm start section for tree ensembles (#29001)
DOC `GradientBoosting*` will not implement monotonic constraints, use `HistGradientBoosting*` instead (#27516)
MNT remove unnecessary cython.import_array (#28656)
MAINT cleanup utils.__init__: move chunking tools into dedicated submodule (#28516)
MAINT Clean up deprecations for 1.5: in LinearSV* (#28816)
API deprecate multi_class in LogisticRegression (#28703)
DOC Added link to plot_adaboost_regression.py example (#28997)
BLD Add Meson support (#28040)