These are the changes in pandas 2.3.0. See :ref:`release` for a full changelog including other versions of pandas.
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These are bug fixes that might have notable behavior changes.
- Deprecated allowing non-
boolvalues fornain :meth:`.str.contains`, :meth:`.str.startswith`, and :meth:`.str.endswith` for dtypes that do not already disallow these (:issue:`59615`) - Deprecated the
"pyarrow_numpy"storage option for :class:`StringDtype` (:issue:`60152`)
- Bug in :meth:`Series.rank` for :class:`StringDtype` with
storage="pyarrow"incorrectly returning integer results in case ofmethod="average"and raising an error if it would truncate results (:issue:`59768`) - Bug in :meth:`Series.str.replace` when
n < 0for :class:`StringDtype` withstorage="pyarrow"(:issue:`59628`) - Bug in
ser.str.slicewith negativestepwith :class:`ArrowDtype` and :class:`StringDtype` withstorage="pyarrow"giving incorrect results (:issue:`59710`) - Bug in the
centermethod on :class:`Series` and :class:`Index` objectstraccessors with pyarrow-backed dtype not matching the python behavior in corner cases with an odd number of fill characters (:issue:`54792`)