H5netcdf

- Let Variable.chunks return None for scalar variables, independent of what the underlying
h5ds object returns ({pull}`259`).
By `Rickard Holmberg <https://github.com/rho-novatron>`_

- Allow specifying `h5netcdf.File(driver="h5pyd")` to force the use of h5pyd ({issue}`255`, {pull}`256`).
By `Rickard Holmberg <https://github.com/rho-novatron>`_
- Add pytest-mypy-plugins for xarray nightly test ({pull}`257`).
By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_

- Update CI to new versions (Python 3.13, 3.14 alpha), remove numpy 1 from h5pyd runs ({pull}`250`).
By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_
- Update CI and reinstate h5pyd/hsds test runs ({pull}`247`).
By `John Readey <https://github.com/jreadey>`_
- Allow ``zlib`` to be used as an alias for ``gzip`` for enhanced compatibility with h5netcdf's API and xarray.
By `Mark Harfouche <https://github.com/hmaarrfk>`_

- Add CI run for hdf5 1.10.6, fix complex tests, fix enum/user type tests ({pull}`244`).
By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_

- Add UserType class, add EnumType ({pull}`229`).
By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_
- Refactor fillvalue and dtype handling for user types, enhance sanity checks and tests ({pull}`230`).
By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_
- Add VLType and CompoundType, commit complex compound type to file. Align with nc-complex ({pull}`227`).
By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_
- Update h5pyd testing.
By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_
- CI and lint maintenance ({pull}`235`).
By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_
- Support wrapping an h5py ``File`` object. Closing the h5netcdf file object
does not close the h5py file ({pull}`238`).
By `Thomas Kluyver <https://github.com/takluyver>`_
- CI and lint maintenance (format README.rst, use more f-strings, change Python 3.9 to 3.10 in CI) ({pull}`239`).
By `Kai Mühlbauer <https://github.com/kmuehlbauer>`_

- Add ros3 support by checking `driver`-kwarg.
By `Ezequiel Cimadevilla Alvarez <https://github.com/zequihg50>`_
- Code and CI maintenance.
By `Mark Harfouche <https://github.com/hmaarrfk>`_ and
`Kai Mühlbauer <https://github.com/kmuehlbauer>`_.