What’s new in 1.3.4 (October 17, 2021)#
These are the changes in pandas 1.3.4. See Release notes for a full changelog including other versions of pandas.
Fixed performance regression in
Fixed regression when iterating over a
DataFrame.groupby.rollingobject causing the resulting DataFrames to have an incorrect index if the input groupings were not sorted (GH 43386)
Fixed regression in
DataFrame.groupby.rolling.corr()computing incorrect results if the input groupings were not sorted (GH 43386)
Fixed memory leaks in
The minimum version of Cython needed to compile pandas is now
A total of 17 people contributed patches to this release. People with a “+” by their names contributed a patch for the first time.
Alexey Györi +
Julien de la Bruère-T +
Pandas Development Team