Top pandas issues

BUG: Join changes dtypes

Usage Question

BUG: indexing with DataFrame with nullable boolean dtype

Bug NA - MaskedArrays

BUG: MultiIndex with nan values obtained by `groupby` behaves different to MultiIndex.from_tuples()

Bug Missing-data MultiIndex

QST: What is the use of cell_context in the Styler?

Styler Usage Question

BUG: Groupby - apply - reset_index on a one row dataframe and with one categorical grouping column does not return the categorical column

Apply Bug Groupby

BUG: use_inf_as_na options raises value error for read_csv

Bug IO CSV Regression

BUG: Shift on a group column when column name is a tuple-of-tuples results in NumPy VisibleDeprecationWarning

Bug Compat Error Reporting

BUG: register_matplotlib_converters leads to wrong datetime interpretation with matplotlib 3.3

Bug Visualization

BUG: indexing with -1 doesn't work anymore in expanding function

Bug Window

BUG: `len(df.groupby(..., dropna=False))` raises ValueError: Categorical categories cannot be null

Bug Groupby