What's new in 1.3.5 (December 12, 2021)

These are the changes in pandas 1.3.5. See :ref:`release` for a full changelog including other versions of pandas.

Fixed regressions

Fixed regression in :meth:`Series.equals` when comparing floats with dtype object to None (:issue:`44190`)
Fixed regression in :func:`merge_asof` raising error when array was supplied as join key (:issue:`42844`)
Fixed regression when resampling :class:`DataFrame` with :class:`DateTimeIndex` with empty groups and uint8, uint16 or uint32 columns incorrectly raising RuntimeError (:issue:`43329`)
Fixed regression in creating a :class:`DataFrame` from a timezone-aware :class:`Timestamp` scalar near a Daylight Savings Time transition (:issue:`42505`)
Fixed performance regression in :func:`read_csv` (:issue:`44106`)
Fixed regression in :meth:`Series.duplicated` and :meth:`Series.drop_duplicates` when Series has :class:`Categorical` dtype with boolean categories (:issue:`44351`)
Fixed regression in :meth:`.GroupBy.sum` with timedelta64[ns] dtype containing NaT failing to treat that value as NA (:issue:`42659`)
Fixed regression in :meth:`.RollingGroupby.cov` and :meth:`.RollingGroupby.corr` when other had the same shape as each group would incorrectly return superfluous groups in the result (:issue:`42915`)

.. contributors:: v1.3.4..v1.3.5|HEAD