What’s new in 1.2.5 (June 22, 2021)

These are the changes in pandas 1.2.5. See Release notes for a full changelog including other versions of pandas.

Fixed regressions

• Fixed regression in concat() between two DataFrame where one has an Index that is all-None and the other is DatetimeIndex incorrectly raising (GH40841)

• Fixed regression in DataFrame.sum() and DataFrame.prod() when min_count and numeric_only are both given (GH41074)

• Fixed regression in read_csv() when using memory_map=True with an non-UTF8 encoding (GH40986)

• Fixed regression in DataFrame.replace() and Series.replace() when the values to replace is a NumPy float array (GH40371)

• Fixed regression in ExcelFile() when a corrupt file is opened but not closed (GH41778)

• Fixed regression in DataFrame.astype() with dtype=str failing to convert NaN in categorical columns (GH41797)

Contributors

A total of 12 people contributed patches to this release. People with a “+” by their names contributed a patch for the first time.

• Joris Van den Bossche

• Marc Garcia

• Matthew Zeitlin

• MeeseeksMachine

• Pandas Development Team

• Patrick Hoefler +

• Simon Hawkins

• Thomas Li

• Torsten Wörtwein

• hasan-yaman +

• jbrockmendel

• phofl +

Release notes What’s new in 1.2.4 (April 12, 2021)