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Release summary for v2024.05.0 #9021

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May 12, 2024
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Release summary for v2024.05.0 #9021

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release summary
TomNicholas May 10, 2024
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add some links
TomNicholas May 10, 2024
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TomNicholas May 10, 2024
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rst vs md
TomNicholas May 12, 2024
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Merge branch 'main' into whatsnew-2024.05.0
TomNicholas May 12, 2024
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TomNicholas May 12, 2024
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26 changes: 14 additions & 12 deletions doc/whats-new.rst
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Expand Up @@ -15,19 +15,25 @@ What's New
np.random.seed(123456)


.. _whats-new.2024.04.0:
.. _whats-new.2024.05.0:

v2024.04.0 (unreleased)
-----------------------
v2024.05.0 (May 10, 2024)
-------------------------

This release brings support for pandas ExtensionArray objects, optimizations when reading Zarr, the ability to concatenate datasets without pandas indexes,
more compatibility fixed for upcoming numpy 2.0, and the migration of most of the xarray-datatree project code into xarray `main`!
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Thanks to the 18 contributors to this release:
Aimilios Tsouvelekakis, Andrey Akinshin, Deepak Cherian, Eni Awowale, Ilan Gold, Illviljan, Justus Magin, Mark Harfouche, Matt Savoie, Maximilian Roos, Noah C. Benson, Pascal Bourgault, Ray Bell, Spencer Clark, Tom Nicholas, ignamv, owenlittlejohns, and saschahofmann.

New Features
~~~~~~~~~~~~
- New "random" method for converting to and from 360_day calendars (:pull:`8603`).
By `Pascal Bourgault <https://github.com/aulemahal>`_.
- Xarray now makes a best attempt not to coerce :py:class:`pandas.api.extensions.ExtensionArray` to a numpy array
by supporting 1D `ExtensionArray` objects internally where possible. Thus, `Dataset`s initialized with a `pd.Catgeorical`,
by supporting 1D `ExtensionArray` objects internally where possible. Thus, `Dataset`s initialized with a `pd.Categorical`,
for example, will retain the object. However, one cannot do operations that are not possible on the `ExtensionArray`
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then, such as broadcasting.
then, such as broadcasting. (:issue:`5287`, :issue:`8463`, :pull:`8723`)
By `Ilan Gold <https://github.com/ilan-gold>`_.
- :py:func:`testing.assert_allclose`/:py:func:`testing.assert_equal` now accept a new argument `check_dims="transpose"`, controlling whether a transposed array is considered equal. (:issue:`5733`, :pull:`8991`)
By `Ignacio Martinez Vazquez <https://github.com/ignamv>`_.
Expand All @@ -42,7 +48,6 @@ Breaking changes
~~~~~~~~~~~~~~~~
- The PyNIO backend has been deleted (:issue:`4491`, :pull:`7301`).
By `Deepak Cherian <https://github.com/dcherian>`_.

- The minimum versions of some dependencies were changed, in particular our minimum supported pandas version is now Pandas 2.

===================== ========= =======
Expand All @@ -60,7 +65,6 @@ Breaking changes
zarr 2.13 2.14
===================== ========= =======


Bug fixes
~~~~~~~~~
- Following `an upstream bug fix
Expand All @@ -70,7 +74,6 @@ Bug fixes
within the bounds of the provided start and end dates (:pull:`8999`). By
`Spencer Clark <https://github.com/spencerkclark>`_.


Internal Changes
~~~~~~~~~~~~~~~~
- Migrates ``formatting_html`` functionality for ``DataTree`` into ``xarray/core`` (:pull: `8930`)
Expand All @@ -86,12 +89,14 @@ Internal Changes
`Tom Nicholas <https://github.com/TomNicholas>`_.
- Migrates ``ops.py`` functionality into ``xarray/core/datatree_ops.py`` (:pull:`8976`)
By `Matt Savoie <https://github.com/flamingbear>`_ and `Tom Nicholas <https://github.com/TomNicholas>`_.
- Migrates ``iterator`` functionality into ``xarray/core`` (:pull: `8879`)
By `Owen Littlejohns <https://github.com/owenlittlejohns>`_, `Matt Savoie
<https://github.com/flamingbear>`_ and `Tom Nicholas <https://github.com/TomNicholas>`_.
- ``transpose``, ``set_dims``, ``stack`` & ``unstack`` now use a ``dim`` kwarg
rather than ``dims`` or ``dimensions``. This is the final change to make xarray methods
consistent with their use of ``dim``. Using the existing kwarg will raise a
warning. By `Maximilian Roos <https://github.com/max-sixty>`_


.. _whats-new.2024.03.0:

v2024.03.0 (Mar 29, 2024)
Expand Down Expand Up @@ -169,9 +174,6 @@ Internal Changes
- Migrates ``datatree`` functionality into ``xarray/core``. (:pull: `8789`)
By `Owen Littlejohns <https://github.com/owenlittlejohns>`_, `Matt Savoie
<https://github.com/flamingbear>`_ and `Tom Nicholas <https://github.com/TomNicholas>`_.
- Migrates ``iterator`` functionality into ``xarray/core`` (:pull: `8879`)
By `Owen Littlejohns <https://github.com/owenlittlejohns>`_, `Matt Savoie
<https://github.com/flamingbear>`_ and `Tom Nicholas <https://github.com/TomNicholas>`_.


.. _whats-new.2024.02.0:
Expand Down
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