These are the changes in pandas 1.1.5. See :ref:`release` for a full changelog including other versions of pandas.
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- Regression in addition of a timedelta-like scalar to a :class:`DatetimeIndex` raising incorrectly (:issue:`37295`)
- Fixed regression in :meth:`Series.groupby` raising when the :class:`Index` of the :class:`Series` had a tuple as its name (:issue:`37755`)
- Fixed regression in :meth:`DataFrame.loc` and :meth:`Series.loc` for
__setitem__when one-dimensional tuple was given to select from :class:`MultiIndex` (:issue:`37711`) - Fixed regression in inplace operations on :class:
ExtensionArraywith NumPy array argument (:issue:`37910`)
- Bug in metadata propagation for
groupbyiterator (:issue:`37343`) - Bug in indexing on a :class:`Series` with
CategoricalDtypeafter unpickling (:issue:`37631`) - Bug in :class:`RollingGroupby` with the resulting :class:`MultiIndex` when grouping by a label that is in the index (:issue:`37641`)
.. contributors:: v1.1.4..v1.1.5|HEAD