What’s new in 1.2.5 (May ??, 2021)

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

Fixed regressions

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

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

Bug fixes

Other

Contributors