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

These are the changes in pandas 2.1.3. See Release notes for a full changelog including other versions of pandas.

Fixed regressions

• Fixed infinite recursion from operations that return a new object on some DataFrame subclasses (GH 55763)

Bug fixes

• Bug in DatetimeIndex.diff() raising TypeError (GH 55080)

• Bug in Index.isin() raising for Arrow backed string and None value (GH 55821)

• Fix read_parquet() and read_feather() for CVE-2023-47248 (GH 55894)

Contributors

For contributors, please see /usr/share/doc/contributors_list.txt or https://github.com/pandas-dev/pandas/graphs/contributors