What's new in 1.5.1 (October ??, 2022)

These are the changes in pandas 1.5.1. See :ref:`release` for a full changelog including other versions of pandas.

Fixed regressions

Fixed Regression in :meth:`Series.__setitem__` casting None to NaN for object dtype (:issue:`48665`)
Fixed Regression in :meth:`DataFrame.loc` when setting values as a :class:`DataFrame` with all True indexer (:issue:`48701`)
Regression in :func:`.read_csv` causing an EmptyDataError when using an UTF-8 file handle that was already read from (:issue:`48646`)
Fixed regression in :meth:`DataFrame.plot` ignoring invalid colormap for kind="scatter" (:issue:`48726`)
Fixed performance regression in :func:`factorize` when na_sentinel is not None and sort=False (:issue:`48620`)

Bug in :meth:`DataFrame.to_hdf` raising AssertionError with boolean index (:issue:`48667`)
Bug in :func:`assert_index_equal` for extension arrays with non matching NA raising ValueError (:issue:`48608`)
Bug in :meth:`DataFrame.pivot_table` raising unexpected FutureWarning when setting datetime column as index (:issue:`48683`)