What's new in 1.2.4 (April 12, 2021)

These are the changes in pandas 1.2.4. See :ref:`release` for a full changelog including other versions of pandas.

Fixed regressions

Fixed regression in :meth:`DataFrame.sum` when min_count greater than the :class:`DataFrame` shape was passed resulted in a ValueError (:issue:`39738`)
Fixed regression in :meth:`DataFrame.to_json` raising AttributeError when run on PyPy (:issue:`39837`)
Fixed regression in (in)equality comparison of pd.NaT with a non-datetimelike numpy array returning a scalar instead of an array (:issue:`40722`)
Fixed regression in :meth:`DataFrame.where` not returning a copy in the case of an all True condition (:issue:`39595`)
Fixed regression in :meth:`DataFrame.replace` raising IndexError when regex was a multi-key dictionary (:issue:`39338`)
Fixed regression in repr of floats in an object column not respecting float_format when printed in the console or outputted through :meth:`DataFrame.to_string`, :meth:`DataFrame.to_html`, and :meth:`DataFrame.to_latex` (:issue:`40024`)
Fixed regression in NumPy ufuncs such as np.add not passing through all arguments for :class:`DataFrame` (:issue:`40662`)

.. contributors:: v1.2.3..v1.2.4