LitData v0.2.59

Lightning AI ⚡ is excited to announce the release of LitData v0.2.59

Changes

Added

• add CHANGELOG.md to track project updates by @deependujha in #733
• feat: add support to disable external version checks by @sanggusti in #737
• feat: Add Python 3.14 zstd builtin support by @bhimrazy in #749
• feat: add align_chunking option to preserve deterministic chunk boundaries across workers by @deependujha in #768

Changed

• pin: torchaudio to >=2.7.0,<2.9 by @deependujha in #738
• ref(test): remove torchaudio dependency and update audio processing to just use soundfile by @bhimrazy in #739

Fixed

• fix(ci): failing link checks by @bhimrazy in #748
• fix : ZstdError handling for Python <3.14 & >=3.14 compatibility by @bhimrazy in #767
• Fix ParallelStreamingDataset with resume=True not resuming after the second epoch when breaking early by @philgzl in #761

Chores

• chore(deps): update transformers requirement from <4.53.0 to <4.57.0 by @dependabot[bot] in #723
• chore(deps): bump lightning-sdk from 2025.8.1 to 2025.9.30 by @dependabot[bot] in #724
• chore(deps): bump pytest-cov from 6.2.1 to 7.0.0 by @dependabot[bot] in #725
• chore(deps): bump astral-sh/setup-uv from 6 to 7 in the gha-updates group by @dependabot[bot] in #735
• chore(deps): update transformers requirement from <4.57.0 to <4.58.0 by @dependabot[bot] in #746
• chore(deps): bump pytest-rerunfailures from 15.1 to 16.0.1 by @dependabot[bot] in #745
• chore(deps): bump actions/download-artifact from 5 to 6 in the gha-updates group by @dependabot[bot] in #741
• docs: add anchor links to feature sections in README for easy referencing by @VijayVignesh1 in #743
• chore(ci): add Python 3.14 to the testing matrix by @bhimrazy in #747
• chore: drop support for Python 3.9 (EOL) by @bhimrazy in #751
• chore(deps): bump JamesIves/github-pages-deploy-action from 4.7.3 to 4.7.4 in the gha-updates group by @dependabot[bot] in #750

Full Changelog: v0.2.58...v0.2.59

🧑‍💻 Contributors

We thank all folks who submitted issues, features, fixes and doc changes. It's the only way we can collectively make LitData better for everyone, nice job!

New Contributors

• @sanggusti made their first contribution in #737
• @VijayVignesh1 made their first contribution in #743

Thank you ❤️ and we hope you'll keep them coming!