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Pull requests list

BUG: groupby raises on non-C-contiguous masks Bug Groupby
#63148 by rhshadrach was merged Nov 20, 2025 Loading…
1 of 6 tasks
1
1
BUG: Fix json_normalize 'meta' validation Bug Error Reporting Incorrect or improved errors from pandas IO JSON read_json, to_json, json_normalize
#63136 by nocoding03 was merged Nov 27, 2025 Loading…
5 of 6 tasks
3.0
1
13
BUG: define __Pyx_PyUnstable_Object_IsUniqueReferencedTemporary for python<3.14 Bug Build Library building on various platforms
#63129 by Alvaro-Kothe was merged Nov 24, 2025 Loading…
2 of 6 tasks
3.0
1
5
BUG: ser.str.match with mismatched case/pat/flags Bug Strings String extension data type and string data
#63108 by jbrockmendel was merged Nov 18, 2025 Loading…
2 of 5 tasks
3.0
1
5
BUG/API: cast to nanos before writing datetimes to JSON Bug Datetime Datetime data dtype IO JSON read_json, to_json, json_normalize
#63100 by jbrockmendel was merged Nov 23, 2025 Loading…
2 of 5 tasks
3.0
1
4
Backport PR #62832 on branch 2.3.x (BUG: Recognize 2-tuple state without attrs dict) Bug
#63046 by meeseeksmachine was merged Nov 23, 2025 Loading… 2.3.4
1
BUG: copy.copy returning deep instead of shallow copy Bug
#62971 by mroeschke was merged Nov 4, 2025 Loading… 3.0
1
BUG: Fix convert_dtype complex Bug Complex Complex Numbers Dtype Conversions Unexpected or buggy dtype conversions
#62960 by Ma-gi-cian was merged Nov 18, 2025 Loading…
4 tasks done
3.0
1
10
BUG: Fix sorting behavior of DataFrame.join on list arguments Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode Sorting e.g. sort_index, sort_values
#62954 by rhshadrach was merged Nov 4, 2025 Loading…
1 of 5 tasks
3.0
1
2
BUG: read_csv skipping a line with double quotes Bug IO CSV read_csv, to_csv
#62855 by georginas05 was merged Nov 4, 2025 Loading…
5 tasks done
3.0
1
10
DEPR/BUG: Do not ignore sort in concat for DatetimeIndex Bug Deprecate Functionality to remove in pandas Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#62843 by rhshadrach was merged Nov 5, 2025 Loading…
1 of 5 tasks
1
16
BUG: Validate numeric_only parameter in groupby aggregations Bug Error Reporting Incorrect or improved errors from pandas Groupby
#62842 by Zrahay was merged Oct 27, 2025 Loading…
2 of 5 tasks
3.0
1
25
BUG: Recognize 2-tuple state without attrs dict Bug
#62832 by heoh was merged Oct 27, 2025 Loading…
3 of 5 tasks
3.0
1
7
BUG: Fix precision loss in DataFrame.combine_first Bug combine/combine_first/update NDFrame.combine, combine_first, update
#62814 by angela-tarantula was merged Oct 24, 2025 Loading…
5 tasks done
3.0
2
Sparse array cumsum leads to infinite recursion 62669 Bug Sparse Sparse Data Type
#62703 by santhoshbethi was merged Nov 30, 2025 Loading…
5 tasks done
3.0
1
9
BUG: fix SeriesGroupBy.plot does not respect cmap parameter Bug Groupby Stale Visualization plotting
#62671 by zhuoyahuang was closed Nov 19, 2025 Loading…
2 of 5 tasks
1
8
BUG: fix regex numeric group replacement in PyArrow string arrays Arrow pyarrow functionality Bug
#62656 by zishan044 was closed Oct 27, 2025 Loading…
1 of 5 tasks
1
3
BUG: Take method of NumpyExtensionArray now returns another extension array with the correct dtype. Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug ExtensionArray Extending pandas with custom dtypes or arrays.
#62502 by aijams was merged Nov 16, 2025 Loading…
5 tasks done
17
BUG: avoid validation error for ufunc with string[python] array Bug Strings String extension data type and string data
#62498 by jorisvandenbossche was merged Sep 29, 2025 Loading… 2.3.3
4
BUG: String[pyarrow] comparison with mixed object Bug Strings String extension data type and string data
#62424 by jbrockmendel was merged Sep 29, 2025 Loading…
2 of 5 tasks
2.3.3
1
8
Backport PR #62410 on branch 2.3.x (BUG: fix bug in str.match for Arrow backend with optional groups) Arrow pyarrow functionality Bug Strings String extension data type and string data
#62412 by meeseeksmachine was merged Sep 22, 2025 Loading… 2.3.3
BUG: fix bug in str.match for Arrow backend with optional groups Arrow pyarrow functionality Bug Strings String extension data type and string data
#62410 by jorisvandenbossche was merged Sep 22, 2025 Loading…
2 of 4 tasks
2.3.3
1
BUG: Merge fails on pyarrow datetime columns Arrow pyarrow functionality Bug Datetime Datetime data dtype Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#62356 by 13muskanp was closed Oct 6, 2025 Loading…
3 of 5 tasks
1
1
Backport PR #62283 on branch 2.3.x (BUG: fix pyarrow string regex replacement) Arrow pyarrow functionality Bug Strings String extension data type and string data
#62328 by meeseeksmachine was merged Sep 13, 2025 Loading… 2.3.3
BUG: Timestamp.normalize overflow Bug Timestamp pd.Timestamp and associated methods
#62305 by jbrockmendel was merged Sep 10, 2025 Loading…
3 of 5 tasks
3.0
1
1
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