Refiner: Robotics library from the ex-Hugging Face pre-training team

In three linesRefiner, a new library from the ex-Hugging Face pre-training team, is announced for robotics data refinement. It supports Parquet, HDF5, MCAP, Zarr, RLDS, and LeRobot formats, with processing flows including visual hand-tracking, subtask annotations, and reward model execution.

Summary generated by Claude — human-verified