Merge pull request NVIDIA#20034 from rapidsai/branch-25.10

Forward-merge branch-25.10 into branch-25.12

Author: GPUtester

python/cudf_polars/cudf_polars/experimental/shuffle.py

@@ -108,7 +108,6 @@ def extract_partition(
                 unspill_partitions(
                     shuffler.extract(partition_id),
                     br=context.br,
-                    stream=DEFAULT_STREAM,
                     allow_overbooking=True,
                     statistics=context.statistics,
                 ),

python/cudf_polars/cudf_polars/experimental/sort.py

@@ -323,7 +323,6 @@ def extract_partition(
                 unspill_partitions(
                     shuffler.extract(partition_id),
                     br=context.br,
-                    stream=DEFAULT_STREAM,
                     allow_overbooking=True,
                     statistics=context.statistics,
                 ),