What's new in 1.4.3 (April ??, 2022)

These are the changes in pandas 1.4.3. See :ref:`release` for a full changelog including other versions of pandas.

Fixed regressions

Fixed regression in :meth:`DataFrame.replace` when the replacement value was explicitly None when passed in a dictionary to to_replace also casting other columns to object dtype even when there were no values to replace (:issue:`46634`)

.. contributors:: v1.4.2..v1.4.3|HEAD