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Pull requests: pandas-dev/pandas

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Pull requests list

BUG: Fix Series.reindex losing values when reindexing to MultiIndex
#61969 opened Jul 26, 2025 by Roline-Stapny Loading…
4 tasks done
ENH: usecols takes input order for read_csv implementation review
#61967 opened Jul 26, 2025 by eicchen Loading…
5 tasks
1
BUG FIX: Using Series.str.fullmatch() and Series.str.match() with a compiled regex fails with arrow strings Arrow pyarrow functionality Strings String extension data type and string data
#61964 opened Jul 26, 2025 by khemkaran10 Loading…
3 tasks done
2.3.2
1
2
[backport 2.3.x] BUG: fix fill value for gouped sum in case of unobserved categories for string dtype (empty string instead of 0) (#61909)
#61963 opened Jul 26, 2025 by jorisvandenbossche Loading… 2.3.2
BUG: fix .str.isdigit to honor unicode superscript for older pyarrow Arrow pyarrow functionality Strings String extension data type and string data
#61962 opened Jul 26, 2025 by jorisvandenbossche Loading…
3 of 4 tasks
2.3.2
1
DOC: update .str.contains/match/startswith docstring examples for default behaviour Docs Strings String extension data type and string data
#61960 opened Jul 26, 2025 by jorisvandenbossche Loading… 3.0
1
Flattened footer
#61957 opened Jul 26, 2025 by maddiew95 Loading…
1
DOC: added button to edit on GitHub
#61956 opened Jul 26, 2025 by Sivayogeith Loading…
1 of 5 tasks
1
2
TST: run python-dev CI on 3.14-dev CI Continuous Integration
#61950 opened Jul 25, 2025 by ngoldbaum • Draft
1
BUG: Fix Series.str.contains with compiled regex on Arrow string dtype (#61942) Arrow pyarrow functionality Bug Strings String extension data type and string data
#61946 opened Jul 25, 2025 by Aniketsy Loading… 2.3.2
6
BUG: Fix TypeError in assert_index_equal when comparing CategoricalIndex with check_categorical=True and exact=False Testing pandas testing functions or related to the test suite
#61941 opened Jul 24, 2025 by Aniketsy Loading…
6
Updating error message to include more details about dataframe Error Reporting Incorrect or improved errors from pandas
#61929 opened Jul 23, 2025 by hasanrashid Loading…
3 of 5 tasks
1
1
CoW: add readonly flag to ExtensionArrays, return read-only EA/ndarray in .array/EA.to_numpy() Copy / view semantics
#61925 opened Jul 22, 2025 by jorisvandenbossche • Draft
14
BUG: Add min/max methods to ArrowExtensionArray GH#61311 Arrow pyarrow functionality Bug Indexing Related to indexing on series/frames, not to indexes themselves
#61924 opened Jul 22, 2025 by skonda29 Loading…
4 of 5 tasks
1
2
BUG: IntervalIndex.unique() only contains the first interval if all interval borders are negative Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Interval Interval data type
#61920 opened Jul 22, 2025 by khemkaran10 Loading…
3 tasks done
1
4
DOC: mention .attrs are preserved in Parquet IO for pyarrow engine Docs IO Parquet parquet, feather
#61912 opened Jul 20, 2025 by imramraja Loading…
1 of 2 tasks
4
BUG: .describe() doesn't work for EAs #61707 Bug ExtensionArray Extending pandas with custom dtypes or arrays.
#61910 opened Jul 20, 2025 by kernelism Loading…
5 tasks done
1
1
BUG: Raise ParserWarning when on_bad_lines is callable and index_col is set (GH#61882)
#61902 opened Jul 19, 2025 by AbhijitPatill Loading…
5 tasks done
3
DEPR: PeriodDtype.freq Deprecate Functionality to remove in pandas Period Period data type
#61897 opened Jul 18, 2025 by jbrockmendel Loading…
2 of 5 tasks
5
Set up ty in CI CI Continuous Integration Typing type annotations, mypy/pyright type checking
#61880 opened Jul 16, 2025 by tqa236 Loading…
5 tasks
1
DOC: Document that str.match accepts a regular expression API - Consistency Internal Consistency of API/Behavior API Design Docs
#61879 opened Jul 16, 2025 by hamdanal Loading…
5 tasks
5
TST: add test for dtype argument in str.decode Testing pandas testing functions or related to the test suite
#61872 opened Jul 16, 2025 by hippowm Loading…
4
BUG FIX: None of the included dtypes present in df will raise ValueError with clear error message. Error Reporting Incorrect or improved errors from pandas
#61871 opened Jul 16, 2025 by khemkaran10 Loading…
3 tasks done
1
6
BUG: Fix inconsistency with DateOffset near DST Frequency DateOffsets
#61870 opened Jul 16, 2025 by arthurlw Loading…
4 of 5 tasks
1
6
Doc simplify footer Docs
#61859 opened Jul 15, 2025 by Siryoos Loading…
1
2
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