What’s new in 1.3.5 (December 12, 2021)¶
These are the changes in pandas 1.3.5. See Release notes for a full changelog including other versions of pandas.
Fixed regressions¶
Fixed regression in
Series.equals()
when comparing floats with dtype object to None (GH44190)Fixed regression in
merge_asof()
raising error when array was supplied as join key (GH42844)Fixed regression when resampling
DataFrame
withDateTimeIndex
with empty groups anduint8
,uint16
oruint32
columns incorrectly raisingRuntimeError
(GH43329)Fixed regression in creating a
DataFrame
from a timezone-awareTimestamp
scalar near a Daylight Savings Time transition (GH42505)Fixed performance regression in
read_csv()
(GH44106)Fixed regression in
Series.duplicated()
andSeries.drop_duplicates()
when Series hasCategorical
dtype with boolean categories (GH44351)Fixed regression in
GroupBy.sum()
withtimedelta64[ns]
dtype containingNaT
failing to treat that value as NA (GH42659)Fixed regression in
RollingGroupby.cov()
andRollingGroupby.corr()
whenother
had the same shape as each group would incorrectly return superfluous groups in the result (GH42915)
Contributors¶
A total of 10 people contributed patches to this release. People with a “+” by their names contributed a patch for the first time.
Ali McMaster
Matthew Roeschke
Matthew Zeitlin
MeeseeksMachine
Pandas Development Team
Patrick Hoefler
Simon Hawkins
Thomas Li
Tobias Pitters
jbrockmendel