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Pull requests: pandas-dev/pandas
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Class to read OpenDocument Tables Enhancement IO Data IO issues that don't fit into a more specific label
PERF: faster unstacking Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG: Cast ExtensionArray to numpy ndarray before plot ExtensionArray Extending pandas with custom dtypes or arrays. Visualization plotting
BUG: fixed merging with empty frame containing an Int64 column (#25183) Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode
API: categorical grouping will no longer return the cartesian product API Design Categorical Categorical Data Type Groupby
ENH: Support writing timestamps with timezones with to_sql Enhancement IO SQL to_sql, read_sql, read_sql_query Timezones Timezone data dtype
ENH: Allow for join between two multi-index dataframe instances Enhancement Reshaping Concat, Merge/Join, Stack/Unstack, Explode
ENH: Integer NA Extension Array Dtype Conversions Unexpected or buggy dtype conversions Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
ERR: ValueError when merging on incompatible dtypes Dtype Conversions Unexpected or buggy dtype conversions Error Reporting Incorrect or improved errors from pandas Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG: DataFrame.first_valid_index() fails if there is no valid entry. Bug Error Reporting Incorrect or improved errors from pandas Indexing Related to indexing on series/frames, not to indexes themselves
Prevent UnicodeDecodeError in pivot_table under Py2 Error Reporting Incorrect or improved errors from pandas Unicode Unicode strings
ENH: add to/from_parquet with pyarrow & fastparquet Enhancement IO Data IO issues that don't fit into a more specific label IO Parquet parquet, feather
MAINT: Remove assertNotIn from testing Testing pandas testing functions or related to the test suite
#16096 by gfyoung was merged Apr 23, 2017 Loading…
Rolling window endpoints inclusion API Design Datetime Datetime data dtype Reshaping Concat, Merge/Join, Stack/Unstack, Explode
The roll_quantile function now throws an exception instead of causing a segfault Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Error Reporting Incorrect or improved errors from pandas
BUG: fix Series(extension array) + extension array values addition Bug ExtensionArray Extending pandas with custom dtypes or arrays.
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ProTip! Updated in the last three days: updated:>2025-11-06.