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Issues list

BUG: invalid result of reindex on columns after unstack with Period data #60980 Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61055 opened Mar 4, 2025 by Pranav970
3 tasks done
BUG: sometimes when using ~ and & operators for indexing it evaluated incorrectly Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61052 opened Mar 4, 2025 by adamszelestey-se
3 tasks done
BUG: Ghost Column Generation Bug in .loc[] with Series Column Selector (Pandas 2.2.2) Bug Needs Triage Issue that has not been reviewed by a pandas team member
#61049 opened Mar 4, 2025 by Jeevacse07
3 tasks done
PERF: Optimize membership check in column filtering for better performance Needs Triage Issue that has not been reviewed by a pandas team member Performance Memory or execution speed performance
#61045 opened Mar 4, 2025 by allrob23
3 tasks done
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
Correction: Adjust Dockerfile key value format Build Library building on various platforms Clean
#61036 opened Mar 3, 2025 by PenguinPen
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
BUG: ValueError: ndarray is not C-contiguous for cummax on nullable dtypes Bug Groupby NA - MaskedArrays Related to pd.NA and nullable extension arrays Transformations e.g. cumsum, diff, rank
#61031 opened Mar 2, 2025 by MarcoGorelli
3 tasks done
BUG: Dependency check custom error loses information Bug Error Reporting Incorrect or improved errors from pandas
#61030 opened Mar 2, 2025 by Noratrieb
3 tasks done
BUG: Printing float16 with NumPy>=2.0 gives overflow warning Bug Output-Formatting __repr__ of pandas objects, to_string Warnings Warnings that appear or should be added to pandas
#61029 opened Mar 1, 2025 by rhshadrach
BUG: setting column with 2D object array raises Bug Indexing Related to indexing on series/frames, not to indexes themselves
#61026 opened Mar 1, 2025 by tonyyuyiding
2 tasks done
BUG: Arugment nan_as_null is unused in __dataframe__ calls. Clean Closing Candidate May be closeable, needs more eyeballs Interchange Dataframe Interchange Protocol
#61025 opened Mar 1, 2025 by ethandavidlee
3 tasks done
ENH: json_normalize should work with JSON Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#61006 opened Feb 25, 2025 by vdwees
2 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
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
BUG: iloc with Series as indexer fails for __getitem__ but works with __setitem__ Bug Needs Triage Issue that has not been reviewed by a pandas team member
#60994 opened Feb 23, 2025 by luxedo
3 tasks done
BUG: The Series .map() function frequently fails when using dictionaries with tuple keys in various cases. Bug IO Data IO issues that don't fit into a more specific label
#60988 opened Feb 22, 2025 by Anurag-Varma
3 tasks done
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
BUG: invalid result of reindex on columns after unstack with Period data Bug Needs Triage Issue that has not been reviewed by a pandas team member
#60980 opened Feb 21, 2025 by a-rvn
3 tasks done
DOC: No warning in set_index() that previous index column is removed. Docs Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#60973 opened Feb 20, 2025 by ncotie
1 task done
BUG: import pandas failed in Python 3.13.2 free-threading version Bug Needs Triage Issue that has not been reviewed by a pandas team member
#60972 opened Feb 20, 2025 by qfcy
3 tasks done
ProTip! What’s not been updated in a month: updated:<2025-02-04.