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Pull requests: pandas-dev/pandas

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Pull requests list

BLD: Build Python 3.15 wheels Build Library building on various platforms
#66808 opened Aug 16, 2026 by mroeschke Member Loading…
@mroeschke
TST: avoid resetting RNG in MultiIndex duplicate test Awaiting Review PR in the maintainers' court; exempt from staleness
#66806 opened Aug 16, 2026 by marcus-campbell Loading…
4 of 7 tasks
1
DOC: clarify crosstab Notes on Categorical handling and dropna Needs Issue Assignment PR whose author is not assigned to a linked issue
#66804 opened Aug 16, 2026 by adivx Loading…
1
1
BUG: read_excel index-name detection for non-contiguous MultiIndex header Needs Issue Assignment PR whose author is not assigned to a linked issue
#66802 opened Aug 16, 2026 by aleks-drozy Loading…
3
CI: Run four jobs for non-default PANDAS_FUTURE values CI Continuous Integration Enhancement Needs Discussion Requires discussion from core team before further action
#66801 opened Aug 16, 2026 by rhshadrach Member Loading…
3
BUG: Fix silent wrong results in groupby with sort=True Grouper in list Needs Issue Assignment PR whose author is not assigned to a linked issue
#66800 opened Aug 16, 2026 by sgoel2be24-cyber Loading…
7 of 8 tasks
1
1
PERF: scale read_csv's parallel chunk count with file size IO CSV read_csv, to_csv Performance Memory or execution speed performance
#66798 opened Aug 16, 2026 by jbrockmendel Member Loading…
BUG: make duplicated hashtable test levels distinct Needs Issue Assignment PR whose author is not assigned to a linked issue
#66786 opened Aug 15, 2026 by aryansk • Draft
5 of 7 tasks
1
4
ENH: Add DataFrame.select and DataFrameGroupBy.select Enhancement
#66785 opened Aug 15, 2026 by rhshadrach Member Loading…
4 tasks done
2
fix: ignore MultiIndex level frequency check in assert_frame_equal (#66761) Needs Issue Assignment PR whose author is not assigned to a linked issue
#66772 opened Aug 15, 2026 by SparshGarg999 Loading…
1
1
BUG: bar plot raises AttributeError when the DatetimeIndex freq attribute is unset
#66771 opened Aug 15, 2026 by fangchenli Member • Draft
6 tasks done
PERF: draw wide line plots as a single collection (GH#61532) Performance Memory or execution speed performance Visualization plotting
#66769 opened Aug 14, 2026 by jbrockmendel Member • Draft
Timezone-aware Timestamp
#66768 opened Aug 14, 2026 by s2t2 • Draft
1 of 7 tasks
3
BUG: test_spss_metadata fails with pyreadstat 1.3.6 due to new original_variable_informats metadata key Awaiting Review PR in the maintainers' court; exempt from staleness
#66766 opened Aug 14, 2026 by NodeX-AR Loading…
3 of 7 tasks
1
BUG: assert_frame_equal raised for freq mismatch in MultiIndex level (GH#66761) Bug Testing pandas testing functions or related to the test suite
#66765 opened Aug 14, 2026 by jbrockmendel Member • Draft
1
TST: fix MultiIndex freq check in assert_frame_equal Needs Issue Assignment PR whose author is not assigned to a linked issue
#66763 opened Aug 14, 2026 by ManasDasri Loading…
5 of 7 tasks
1
1
CLN: simplify logic in json date parsing regarding warnings Clean IO JSON read_json, to_json, json_normalize
#66760 opened Aug 14, 2026 by jorisvandenbossche Member Loading…
2
CLN: cleanup json pandas tests coverage of datetime units Clean IO JSON read_json, to_json, json_normalize Testing pandas testing functions or related to the test suite
#66759 opened Aug 14, 2026 by jorisvandenbossche Member Loading… 3.1
4
BUG: read_parquet raised for nested pyarrow dtypes (GH#57411) Arrow pyarrow functionality Bug IO Parquet parquet, feather
#66758 opened Aug 14, 2026 by jbrockmendel Member Loading…
1
2
Fix #61692: ENH: Add excel_sep_hint parameter to to_csv for Excel compatibility Needs Issue Assignment PR whose author is not assigned to a linked issue
#66757 opened Aug 14, 2026 by vikasvardhanv Loading…
1
1
BUG: cast values before categorical dtype lookup
#66755 opened Aug 13, 2026 by Bharath-970 • Draft
1
BUG: ewm(adjust=False) NaN gaps disagree for times vs no-times Needs Issue Assignment PR whose author is not assigned to a linked issue
#66754 opened Aug 13, 2026 by hasancankeles Loading…
7 of 8 tasks
1
1
PERF: enable parallel read_csv by default on Windows IO CSV read_csv, to_csv Performance Memory or execution speed performance Windows Windows OS
#66751 opened Aug 13, 2026 by jbrockmendel Member Loading… 3.1
DOC: Update DataFrame and Index docs to mention dict support Awaiting Review PR in the maintainers' court; exempt from staleness Docs
#66747 opened Aug 13, 2026 by Girdharilal-aiml Loading…
6 of 7 tasks
1
11
DEPR: deprecate inplace keyword in dropna()/drop_duplicates() methods Deprecate Functionality to remove in pandas inplace Relating to inplace parameter or equivalent
#66741 opened Aug 12, 2026 by jorisvandenbossche Member • Draft
4 tasks
3.1
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