Forward-merge release/26.06 into main#22555

Merged

12 commits merged into

mainfrom

May 20, 2026

Commits on May 18, 2026

Bump polars upper bound to <1.40 (#22048)
Matt711
authored

Commits on May 19, 2026

Commits on May 20, 2026

Overhaul cudf-polars docs for new streaming multi-GPU engines (#22252)
madsbk
authored
Remove unnecessary max token count check in JSON tokenizer (#22589)
shrshi
authored
Add `streaming_groupby` for stateful streaming aggregation (#21924)
PointKernel
authored