What's new in 2.1.3 (November 10, 2023)

These are the changes in pandas 2.1.3. See :ref:`release` for a full changelog including other versions of pandas.

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Fixed regressions

Fixed infinite recursion from operations that return a new object on some DataFrame subclasses (:issue:`55763`)

Bug fixes

Bug in :meth:`DatetimeIndex.diff` raising TypeError (:issue:`55080`)
Bug in :meth:`Index.isin` raising for Arrow backed string and None value (:issue:`55821`)
Fix :func:`read_parquet` and :func:`read_feather` for CVE-2023-47248 (:issue:`55894`)

Contributors

.. contributors:: v2.1.2..v2.1.3|HEAD