v4.8.3

What's Changed

• Fix split_dataset_by_node step by @lhoestq in https://github.com/huggingface/datasets/pull/8081
• Fix docstring of Json.cast_storage by @albertvillanova in https://github.com/huggingface/datasets/pull/8080

Full Changelog: https://github.com/huggingface/datasets/compare/4.8.2...4.8.3