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TST: add fillna test for filling with Categorical Categorical Categorical Data Type Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Needs Tests Unit test(s) needed to prevent regressions Stale
#62319 by thaiv28 was closed Nov 1, 2025 Loading… updated Nov 1, 2025
3 tasks done
TST: Add test DataFrame.join with CategoricalIndex Needs Tests Unit test(s) needed to prevent regressions Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG: DatetimeIndex asof with string key Datetime Datetime data dtype Indexing Related to indexing on series/frames, not to indexes themselves
BUG: DataFrame.combine_first, combine with non-unique columns combine/combine_first/update NDFrame.combine, combine_first, update
BUG: Series.combine_first with reindex None->Nan combine/combine_first/update NDFrame.combine, combine_first, update
DEPR: to_datetime call in Series.combine_first combine/combine_first/update NDFrame.combine, combine_first, update Deprecate Functionality to remove in pandas
WIP: Fix precision of DataFrame.combine and DataFrame.combine_first
#62691 by angela-tarantula was closed Oct 30, 2025 • Draft updated Oct 30, 2025
4 tasks done
STYLE: Prohibit parsing exeption messages in try/except code flows
#62755 by LirongMa was closed Oct 30, 2025 Loading… updated Oct 30, 2025
5 tasks
ENH: Improve error handling in Excel export functionality
#62867 by antznette1 was closed Oct 30, 2025 Loading… updated Oct 30, 2025
ENH: Improve Excel header formatting with CSS-like font weight support
#62865 by antznette1 was closed Oct 30, 2025 Loading… updated Oct 30, 2025
ENH: Add autofilter support to Excel export
#62862 by antznette1 was closed Oct 30, 2025 Loading… updated Oct 30, 2025
TST: Every function ensure_clean in the file /pandas/tests/io/test_common.py and /pandas/tests/io/pytables/test_store.py has been replaced. Testing pandas testing functions or related to the test suite
replace ensure_clean with temp_file in pandas/tests/io/sas/test_sas.py Testing pandas testing functions or related to the test suite
BUG: retain NAs in ufunc on ArrowEA Arrow pyarrow functionality ufuncs __array_ufunc__ and __array_function__
TYP: tighter typing in Offset._apply Frequency DateOffsets Stale
#56082 by jbrockmendel was closed Apr 23, 2024 Loading… updated Oct 29, 2025
BUG: Raise TypeError for mismatched signed/unsigned dtypes in IntervalIndex.from_arrays
#62376 by Aniketsy was merged Oct 29, 2025 Loading… updated Oct 29, 2025
2 tasks
TST: fix duplicate parametrization/xfail in test_setitem_integer_with_missing_raises Testing pandas testing functions or related to the test suite
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