PyPI

h5py

Read and write HDF5 files from Python

github.com/h5py/h5py www.h5py.org/BSD-3-ClauseAndrew Collette7.7M / week2.3k · 577 forks · 224 contributors

I'm on version…

Compares against 3.16.0 (latest stable)

Latest Stable3.16.0Mar 6, 2026

Latest RC3.0.0rc1Oct 10, 2020

Latest Beta2.4.0b1Nov 3, 2014

Release cadenceEvery 5 months

Last releaseMar 6, 2026

Open advisories0

Changelog quality14% curated

GitHub Releases, gaps for some releases

Release history SecurityYou're on

3.x

STABLE · RCPRE-RELEASE AprJulOct2024AprJulOct2025AprJulOct2026

27 older or filtered releases not shown.

Upgrade guides

Breaking changes and a migration checklist for each major version

h5py 2 → 32.10.0 → 3.16.0Mar 6, 2026 Unknown1

VersionChannelDateChangesSecurity

3.16.0 StableMar 6, 2026No notes published 3.15.1 youStableOct 16, 2025No notes published 3.15.0 StableOct 13, 2025No changes listed 3.14.0 StableJun 6, 2025No notes published 3.13.0 StableFeb 18, 2025No notes published 3.12.1 StableSep 26, 2024No notes published 3.12.0 YankedSep 25, 2024No notes published 3.11.0 StableApr 10, 2024No notes published 3.10.0 StableOct 9, 2023No notes published 3.9.0 StableJun 20, 2023No notes published 3.8.0 StableJan 23, 20231 3.7.0 StableMay 24, 2022No notes published 3.6.0 StableNov 16, 2021No notes published 3.5.0 StableOct 20, 2021No notes published 3.4.0 StableAug 23, 2021No changes listed 3.3.0 StableJun 22, 2021No changes listed 3.2.1 StableMar 5, 2021No changes listed 3.2.0 StableMar 3, 2021No changes listed 3.1.0 StableNov 6, 2020No changes listed 3.0.0 StableOct 30, 2020No changes listed