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Fixed regressions
Fixed regression in DataFrame constructor failing to broadcast for defined Index and len one list of Timestamp
Fixed regression in GroupBy.agg() incorrectly raising in some cases
Fixed regression in GroupBy.apply() where nan values were dropped even with dropna=False
Fixed regression in GroupBy.quantile() which was failing with pandas.NA
Fixed regression in merge() where on columns with ExtensionDtype or bool data types were cast to object in right and outer merge
Fixed regression in RangeIndex.where() and RangeIndex.putmask() raising AssertionError when result did not represent a RangeIndex
Fixed regression in read_parquet() where the fastparquet engine would not work properly with fastparquet 0.7.0
Fixed regression in DataFrame.loc.__setitem__() raising ValueError when setting array as cell value
Fixed regression in is_list_like() where objects with __iter__ set to None would be identified as iterable
Fixed regression in DataFrame.__getitem__() raising error for slice of DatetimeIndex when index is non monotonic
Fixed regression in Resampler.aggregate() when used after column selection would raise if func is a list of aggregation functions
Fixed regression in DataFrame.corr() where Kendall correlation would produce incorrect results for columns with repeated values
Fixed regression in DataFrame.groupby() where aggregation on columns with object types dropped results on those columns
Fixed regression in Series.fillna() raising TypeError when filling float Series with list-like fill value having a dtype which couldn’t cast lostlessly (like float32 filled with float64)
Fixed regression in read_csv() raising AttributeError when the file handle is an tempfile.SpooledTemporaryFile object
Fixed performance regression in core.window.ewm.ExponentialMovingWindow.mean()
Performance improvements
Performance improvement for DataFrame.__setitem__() when the key or value is not a DataFrame, or key is not list-like
Bug fixes
Fixed bug in DataFrameGroupBy.agg() and DataFrameGroupBy.transform() with engine="numba" where index data was not being correctly passed into func
Signed-off-by: Zheng Ruoqin <zhengrq.fnst@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Trevor Gamblin <trevor.gamblin@windriver.com>
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