Fully deprecate squeeze kwarg to groupby (pydata#9280)

* Fully deprecate squeeze kwarg to groupby Closes pydata#9279 Closes pydata#1460 Closes pydata#2157 * Fix doctests * Update xarray/core/groupby.py Co-authored-by: Maximilian Roos <[email protected]> * Fix whats-new * Update doc/whats-new.rst --------- Co-authored-by: Maximilian Roos <[email protected]>
rhkleijn · Jul 26, 2024 · 53c5634 · 53c5634
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diff --git a/doc/whats-new.rst b/doc/whats-new.rst
@@ -49,10 +49,10 @@ Breaking changes
   ``origin`` or ``offset`` parameters is recommended as a replacement for using
   the ``base`` parameter and using time offset arithmetic is recommended as a
   replacement for using the ``loffset`` parameter.
-
-
-Deprecations
-~~~~~~~~~~~~
+- The ``squeeze`` kwarg to ``groupby`` is completely deprecated. This has been the source of some quite confusing
+  behaviour and has been deprecated since v2024.01.0. `groupby`` behavior is now always consistent
+  with the existing ``.groupby(..., squeeze=False)`` behavior.
+  By `Deepak Cherian <https://github.com/dcherian>`_. (:pull:`9280`)
 
 
 Bug fixes