1.9.0
Imp splitting of test_preprocessing.py
CI Run free-threaded test suite with pytest-run-parallel (#32023)
FEA Callbacks API (#33322)
MNT Clean-up deprecations for 1.9: default quantile_method of KBinsDiscretizer (#33763)
MNT _convert_container "dataframe" -> "pandas" (#33956)
MNT _convert_container columns_name -> column_names (#33955)
FIX Unsigned integer overflow in label binarisation (#33441)
TST: Array API: Skip float64 tests for any float32-limited device (#33895)
MNT Deprecate `shuffle` and `random_state` params from `TargetEncoder` (#33453)