What’s new in 1.3.3 (September 12, 2021)#

These are the changes in pandas 1.3.3. See Release notes for a full changelog including other versions of pandas.

Fixed regressions#

Performance improvements#

  • Performance improvement for DataFrame.__setitem__() when the key or value is not a DataFrame, or key is not list-like (GH 43274)

Bug fixes#

Contributors#

A total of 18 people contributed patches to this release. People with a “+” by their names contributed a patch for the first time.

  • Ali McMaster

  • Irv Lustig

  • Matthew Roeschke

  • Matthew Zeitlin

  • MeeseeksMachine

  • Pandas Development Team

  • Patrick Hoefler

  • Prerana Chakraborty +

  • Richard Shadrach

  • Shoham Debnath

  • Simon Hawkins

  • Thomas Li

  • Torsten Wörtwein

  • Zach Rait +

  • aiudirog +

  • attack68

  • jbrockmendel

  • suoniq +