What's new in 2.2.2 (April XX, 2024)

These are the changes in pandas 2.2.2. See :ref:`release` for a full changelog including other versions of pandas.

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Fixed regressions

:meth:`DataFrame.__dataframe__` was producing incorrect data buffers when the a column's type was a pandas nullable on with missing values (:issue:`56702`)

Bug fixes

:meth:`DataFrameGroupBy.apply` was returning a completely empty DataFrame when all return values of func were None instead of returning an empty DataFrame with the original columns and dtypes. (:issue:`57775`)

Other

Contributors