# HDF5 2.0.0 compatibility with h5py, pytables and netcdf

**URL:** <https://forum.hdfgroup.org/t/hdf5-2-0-0-compatibility-with-h5py-pytables-and-netcdf/13603>\
**Category:** h5py\
**Created:** [November 25, 2025, 5:01pm UTC](https://forum.hdfgroup.org/t/hdf5-2-0-0-compatibility-with-h5py-pytables-and-netcdf/13603 "2025-11-25T17:01:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![mark.a.ruebens](https://forum.hdfgroup.org/letter_avatar_proxy/v4/letter/m/c67d28/32.png) [@mark.a.ruebens](https://forum.hdfgroup.org/u/mark.a.ruebens)\
**Post date:** [November 25, 2025, 5:01pm UTC](https://forum.hdfgroup.org/t/hdf5-2-0-0-compatibility-with-h5py-pytables-and-netcdf/13603/1 "2025-11-25T17:01:30Z")

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With the advent of HDF5 2.0.0, how do I figure out if it is compatible with h5py 3.8.0, pytables 3.8.0, and netcdf 1.6.2?

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**Author:** ![dave.allured](https://forum.hdfgroup.org/letter_avatar_proxy/v4/letter/d/8e8cbc/32.png) [@dave.allured](https://forum.hdfgroup.org/u/dave.allured)\
**Post date:** [November 25, 2025, 9:10pm UTC](https://forum.hdfgroup.org/t/hdf5-2-0-0-compatibility-with-h5py-pytables-and-netcdf/13603/5 "2025-11-25T21:10:52Z")

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File compatibility is guaranteed by design, as long as 2.0 advanced features are not written into the file.

For code compatibility, I expect that each of the upstream packages has an individual discussion of HDF5 2.0 compatibility. If anyone has more specific knowledge, please feel free to add.

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**Author:** ![mark.a.ruebens](https://forum.hdfgroup.org/letter_avatar_proxy/v4/letter/m/c67d28/32.png) [@mark.a.ruebens](https://forum.hdfgroup.org/u/mark.a.ruebens)\
**Post date:** [November 25, 2025, 9:28pm UTC](https://forum.hdfgroup.org/t/hdf5-2-0-0-compatibility-with-h5py-pytables-and-netcdf/13603/6 "2025-11-25T21:28:36Z")

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Thank you so much, Dave!