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Sep 11, 2024
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Release notes for v2024.09.0 #9480

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fd882d8
Update whats-new.rst for v2024.09.0.
owenlittlejohns Sep 11, 2024
7a42d66
Include groupby.multiple in 2024.09.0 release summary.
owenlittlejohns Sep 11, 2024
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33 changes: 12 additions & 21 deletions doc/whats-new.rst
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Expand Up @@ -15,15 +15,21 @@ What's New
np.random.seed(123456)


.. _whats-new.2024.07.1:
.. _whats-new.2024.09.0:

v2024.07.1 (unreleased)
-----------------------
v2024.09.0 (Sept 11, 2024)
--------------------------
This release drops support for Python 3.9, and adds support for grouping by :ref:`multiple arrays <groupby.multiple>`, while providing numerous performance improvements and bug fixes.

Thanks to the 33 contributors to this release:
Alfonso Ladino, Andrew Scherer, Anurag Nayak, David Hoese, Deepak Cherian, Diogo Teles Sant'Anna, Dom, Elliott Sales de Andrade, Eni, Holly Mandel, Illviljan, Jack Kelly, Julius Busecke, Justus Magin, Kai Mühlbauer, Manish Kumar Gupta, Matt Savoie, Maximilian Roos, Michele Claus, Miguel Jimenez, Niclas Rieger, Pascal Bourgault, Philip Chmielowiec, Spencer Clark, Stephan Hoyer, Tao Xin, Tiago Sanona, TimothyCera-NOAA, Tom Nicholas, Tom White, Virgile Andreani, oliverhiggs and tiago

New Features
~~~~~~~~~~~~

- Add :py:attr:`~core.accessor_dt.DatetimeAccessor.days_in_year` and :py:attr:`~core.accessor_dt.DatetimeAccessor.decimal_year` to the Datetime accessor on DataArrays. (:pull:`9105`).
- Add :py:attr:`~core.accessor_dt.DatetimeAccessor.days_in_year` and
:py:attr:`~core.accessor_dt.DatetimeAccessor.decimal_year` to the
``DatetimeAccessor`` on ``xr.DataArray``. (:pull:`9105`).
By `Pascal Bourgault <https://github.com/aulemahal>`_.

Performance
Expand All @@ -38,6 +44,8 @@ Performance
By `Deepak Cherian <https://github.com/dcherian>`_.
- Allow data variable specific ``constant_values`` in the dataset ``pad`` function (:pull:`9353``).
By `Tiago Sanona <https://github.com/tsanona>`_.
- Speed up grouping by avoiding deep-copy of non-dimension coordinates (:issue:`9426`, :pull:`9393`)
By `Deepak Cherian <https://github.com/dcherian>`_.

Breaking changes
~~~~~~~~~~~~~~~~
Expand All @@ -61,11 +69,6 @@ Breaking changes
zarr 2.14 2.16
===================== ========= =======


Deprecations
~~~~~~~~~~~~


Bug fixes
~~~~~~~~~

Expand All @@ -90,24 +93,12 @@ Bug fixes
(:issue:`9408`, :pull:`9413`).
By `Oliver Higgs <https://github.com/oliverhiggs>`_.

Performance
~~~~~~~~~~~

- Speed up grouping by avoiding deep-copy of non-dimension coordinates (:issue:`9426`, :pull:`9393`)
By `Deepak Cherian <https://github.com/dcherian>`_.
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I just shimmied this up into the other performance section so things were consolidated.


Documentation
~~~~~~~~~~~~~


Internal Changes
~~~~~~~~~~~~~~~~

- Re-enable testing ``pydap`` backend with ``numpy>=2`` (:pull:`9391`).
By `Miguel Jimenez <https://github.com/Mikejmnez>`_ .



.. _whats-new.2024.07.0:

v2024.07.0 (Jul 30, 2024)
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