What’s new in 2.3.3 (September XX, 2025)#

These are the changes in pandas 2.3.3. See Release notes for a full changelog including other versions of pandas.

Improvements and fixes for the StringDtype#

Most changes in this release are related to StringDtype which will become the default string dtype in pandas 3.0. See Upcoming changes in pandas 3.0 for more details.

Bug fixes#

  • Fix regression in ~Series.str.contains, ~Series.str.match and ~Series.str.fullmatch with a compiled regex and custom flags (GH 62240)

Contributors#