What's new in 1.1.2 (??)

These are the changes in pandas 1.1.2. See :ref:`release` for a full changelog including other versions of pandas.

Fixed regressions

Regression in :meth:`DatetimeIndex.intersection` incorrectly raising AssertionError when intersecting against a list (:issue:`35876`)
Fix regression in updating a column inplace (e.g. using df['col'].fillna(.., inplace=True)) (:issue:`35731`)
Fix regression in :meth:`DataFrame.append` mixing tz-aware and tz-naive datetime columns (:issue:`35460`)
Performance regression for :meth:`RangeIndex.format` (:issue:`35712`)
Regression in :meth:`DataFrame.replace` where a TypeError would be raised when attempting to replace elements of type :class:`Interval` (:issue:`35931`)

Bug in :meth:`DataFrame.eval` with object dtype column binary operations (:issue:`35794`)
Bug in :class:`Series` constructor raising a TypeError when constructing sparse datetime64 dtypes (:issue:`35762`)
Bug in :meth:`DataFrame.apply` with result_type="reduce" returning with incorrect index (:issue:`35683`)
Bug in :meth:`DateTimeIndex.format` and :meth:`PeriodIndex.format` with name=True setting the first item to "None" where it should be "" (:issue:`35712`)
Bug in :meth:`Float64Index.__contains__` incorrectly raising TypeError instead of returning False (:issue:`35788`)
Bug in :class:`DataFrame` indexing returning an incorrect :class:`Series` in some cases when the series has been altered and a cache not invalidated (:issue:`33675`)

:meth:`factorize` now supports na_sentinel=None to include NaN in the uniques of the values and remove dropna keyword which was unintentionally exposed to public facing API in 1.1 version from :meth:`factorize` (:issue:`35667`)

.. contributors:: v1.1.1..v1.1.2|HEAD