v3.5.1
Bug fixes
- support pyarrow 20 by @lhoestq in https://github.com/huggingface/datasets/pull/7540
- Fix pyarrow error
TypeError: ArrayExtensionArray.to_pylist() got an unexpected keyword argument 'maps_as_pydicts'
- Fix pyarrow error
- Write pdf in map by @lhoestq in https://github.com/huggingface/datasets/pull/7487
Other improvements
- update fsspec 2025.3.0 by @peteski22 in https://github.com/huggingface/datasets/pull/7478
- Support underscore int read instruction by @lhoestq in https://github.com/huggingface/datasets/pull/7488
- Support skip_trying_type by @yoshitomo-matsubara in https://github.com/huggingface/datasets/pull/7483
- pdf docs fixes by @lhoestq in https://github.com/huggingface/datasets/pull/7519
- Remove conditions for Python < 3.9 by @cyyever in https://github.com/huggingface/datasets/pull/7474
- mention av in video docs by @lhoestq in https://github.com/huggingface/datasets/pull/7523
- correct use with polars example by @SiQube in https://github.com/huggingface/datasets/pull/7524
- chore: fix typos by @afuetterer in https://github.com/huggingface/datasets/pull/7436
New Contributors
- @peteski22 made their first contribution in https://github.com/huggingface/datasets/pull/7478
- @yoshitomo-matsubara made their first contribution in https://github.com/huggingface/datasets/pull/7483
- @SiQube made their first contribution in https://github.com/huggingface/datasets/pull/7524
- @afuetterer made their first contribution in https://github.com/huggingface/datasets/pull/7436
Full Changelog: https://github.com/huggingface/datasets/compare/3.5.0...3.5.1
Fetched April 7, 2026
