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3,171 Open 21,688 Closed
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Issues list

BUG: Collision between equivalent frequencies 'QS-FEB' and 'QS-NOV' Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61086 opened Mar 8, 2025 by rwijtvliet
2 of 3 tasks
PERF: why nlargest is so slower? Needs Info Clarification about behavior needed to assess issue Performance Memory or execution speed performance
#61076 opened Mar 7, 2025 by ZGarry
3 tasks done
4
ENH: use the option framework to opt-out of auto-alignment Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#61075 opened Mar 7, 2025 by jxrossel
1 of 3 tasks
DEPR: Make dtype="category" always imply ordered=False Categorical Categorical Data Type Deprecate Functionality to remove in pandas
#61074 opened Mar 7, 2025 by mroeschke
BUG: str.fullmatch behavior is not the same for object dtype and string[pyarrow] dtype Arrow pyarrow functionality Bug Strings String extension data type and string data
#61072 opened Mar 7, 2025 by ptth222
3 tasks done
BUG: Sorting fails in specific cases with pandas==2.1.1 Bug Needs Info Clarification about behavior needed to assess issue Sorting e.g. sort_index, sort_values
#61068 opened Mar 6, 2025 by nancy-pm
2 of 3 tasks
3
DOC: Pivot() example call incorrectly used and would give "error: duplicate index" Error Reporting Incorrect or improved errors from pandas Needs Info Clarification about behavior needed to assess issue Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#61058 opened Mar 5, 2025 by mheskett
1 task done
3
PERF: Optimize membership check in column filtering for better performance IO CSV read_csv, to_csv Performance Memory or execution speed performance
#61045 opened Mar 4, 2025 by allrob23
3 tasks done
1
Metadata generation failed when installing PyQt5 Build Library building on various platforms OS X Related to Mac OS & hardware issues (M1)
#61037 opened Mar 3, 2025 by PenguinPen
3
ENH: Add coalesce_keys option to join Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#61033 opened Mar 3, 2025 by tylerriccio33
1 of 3 tasks
ENH: Pass col_len to on_bad_lines callable Enhancement IO CSV read_csv, to_csv Needs Discussion Requires discussion from core team before further action
#60999 opened Feb 24, 2025 by ansalls
1 of 3 tasks
9
ENH: Add to_numeric_br() function to convert Brazilian-formatted numbers Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#60998 opened Feb 24, 2025 by Veras-D
1 of 3 tasks
6
ENH: Skip costly is_unique call while creating Categorical arrays Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#60981 opened Feb 21, 2025 by boxblox
1 of 3 tasks
6
ENH: Support for Python 3.13.2 free-threading version Build Library building on various platforms Enhancement
#60972 opened Feb 20, 2025 by qfcy
3 tasks done
1
BUILD: Trouble installing pandas on Windows Build Library building on various platforms Needs Info Clarification about behavior needed to assess issue
#60947 opened Feb 17, 2025 by bemali-beep
1 task done
8
BUG: Converting string of type lxml.etree._ElementUnicodeResult to a datetime using pandas.to_datetime results in a TypeError. Bug datetime.date stdlib datetime.date support Needs Discussion Requires discussion from core team before further action
#60933 opened Feb 14, 2025 by bentriom
3 tasks done
2
BUG: Index.drop_duplicates() is inconsistent for unhashable values Bug Error Reporting Incorrect or improved errors from pandas
#60925 opened Feb 13, 2025 by camriddell
2 of 3 tasks
3
BUG: series.reindex(mi) behaves different for series with Index and MultiIndex Bug Index Related to the Index class or subclasses MultiIndex
#60923 opened Feb 13, 2025 by ssche
3 tasks done
6
API: Design questions for HDFStore.append API Design IO HDF5 read_hdf, HDFStore Needs Discussion Requires discussion from core team before further action
#60920 opened Feb 12, 2025 by JakeTT404
3
ENH: Make merge_asof preserve the index Closing Candidate May be closeable, needs more eyeballs Enhancement Needs Discussion Requires discussion from core team before further action Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#60919 opened Feb 12, 2025 by wahsmail
3 tasks done
3
BUG: ValueError: Length of values (5) does not match length of index (4) when subtracting two series with MultIndex and Index and nan values Bug Indexing Related to indexing on series/frames, not to indexes themselves Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate MultiIndex
#60908 opened Feb 11, 2025 by ssche
3 tasks done
ENH: Add an iterdicts() function Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#60901 opened Feb 9, 2025 by narukaze132
1 of 3 tasks
2
BUG: Memory leak when creating a df inside a loop Bug Closing Candidate May be closeable, needs more eyeballs Constructors Series/DataFrame/Index/pd.array Constructors Performance Memory or execution speed performance Windows Windows OS
#60897 opened Feb 9, 2025 by Chuck321123
3 tasks done
17
Support for Storing and Retrieving Complex Data Types (e.g., Embeddings) in Pandas DataFrames Complex Complex Numbers Enhancement IO CSV read_csv, to_csv
#60895 opened Feb 9, 2025 by ashishjaimongeorge
3 tasks done
3
DOC: should DateOffset always be used instead of BaseOffset? Docs Typing type annotations, mypy/pyright type checking
#60886 opened Feb 8, 2025 by MarcoGorelli
1
ProTip! What’s not been updated in a month: updated:<2025-02-09.