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Issues: pandas-dev/pandas
FEEDBACK: PyArrow as a required dependency and PyArrow backed...
#54466 openedAug 9, 2023 byphofl
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Issues list
BUG: zfill with pyarrow string Bug Needs TriageIssue that has not been reviewed by a pandas team member
#61485 openedMay 23, 2025 bywilliambdean
2 of 3 tasks
BUG: date_range behaviour is inconsistent when using inclusive=right Bug Needs TriageIssue that has not been reviewed by a pandas team member
#61483 openedMay 23, 2025 bysebastian-east
3 tasks done
BUG: to_latex does not escape % with percent formatter Bug IO LaTeXto_latex Needs DiscussionRequires discussion from core team before further action
#61478 openedMay 22, 2025 bystertingen
2 of 3 tasks
BUG: Pandas concat raises RuntimeWarning: '<' not supported between instances of 'int' and 'tuple', sort order is undefined for incomparable objects with multilevel columns Bug Needs TriageIssue that has not been reviewed by a pandas team member
#61477 openedMay 22, 2025 byButteryPaws
3 tasks done
BUG: More Indicative Error when pd.melt with duplicate columns Bug Error ReportingIncorrect or improved errors from pandas good first issue ReshapingConcat, Merge/Join, Stack/Unstack, Explode
#61475 openedMay 21, 2025 byJames-Lee-998
3 tasks done
BUG: assert_frame_equal(check_dtype=False) fails when comparing two DFs containing pd.NA that only differ in dtype (object vs Int32) Bug ExtensionArrayExtending pandas with custom dtypes or arrays. Needs DiscussionRequires discussion from core team before further action Testingpandas testing functions or related to the test suite
#61473 openedMay 21, 2025 bymichiel-de-muynck
2 of 3 tasks
BUG: pandas.pivot_table margins, dropna and observed parameters not producing expected result Bug Needs InfoClarification about behavior needed to assess issue ReshapingConcat, Merge/Join, Stack/Unstack, Explode
#61469 openedMay 21, 2025 byhugotomasf
2 of 3 tasks
BUG: Decimal and float-to-int conversion issues with pyarrow ≥18.0.0 in parquet and Arrow dtype tests Bug Needs TriageIssue that has not been reviewed by a pandas team member
#61464 openedMay 19, 2025 bybhavya2109sharma
3 tasks done
BUG: Fix Dataframe handling of scalar Timestamp #61444 Bug Timestamppd.Timestamp and associated methods
#61450 openedMay 17, 2025 byFarsidetfs • Draft
3 tasks
BUG: Confusing Behavior When Assigning DataFrame Columns UsingRelated to indexing on series/frames, not to indexes themselves Needs DiscussionRequires discussion from core team before further action
omegaconf.ListConfig Bug Indexing #61439 openedMay 14, 2025 byTrezorro
2 of 3 tasks
BUG: Joining Pandas with Polars dataframe produces fuzzy errormessage Bug Error ReportingIncorrect or improved errors from pandas
#61434 openedMay 12, 2025 byJuan-132
3 tasks done
BUG: SomeExtending pandas with custom dtypes or arrays. IndexingRelated to indexing on series/frames, not to indexes themselves Needs DiscussionRequires discussion from core team before further action
ExtensionArrays can return 0-d Elements Bug ExtensionArray #61433 openedMay 12, 2025 byilan-gold
2 of 3 tasks
BUG: documented usage of ofRequires discussion from core team before further action StringsString extension data type and string data
str.split(...).str.get fails on dtypelarge_string[pyarrow] Bug Needs Discussion #61431 openedMay 12, 2025 bySandroCasagrande
3 tasks done
BUG(string dtype): Arithmetic operations between Series with string dtype index API - ConsistencyInternal Consistency of API/Behavior Bug Needs DiscussionRequires discussion from core team before further action StringsString extension data type and string data
#61425 openedMay 10, 2025 byrhshadrach
BUG: Raise MergeError when suffixes result in duplicate column names … Bug ReshapingConcat, Merge/Join, Stack/Unstack, Explode
BUG/FEATURE REQUEST: DataFrame.to_sql() tries to create table when it exists Bug IO SQLto_sql, read_sql, read_sql_query Needs DiscussionRequires discussion from core team before further action Needs InfoClarification about behavior needed to assess issue
#61418 openedMay 9, 2025 byvladidobro
2 of 3 tasks
BUG: to_csv() quotechar/escapechar behavior differs from csv module Bug IO CSVread_csv, to_csv
#61407 openedMay 8, 2025 byjohnrtian
2 of 3 tasks
BUG: way to include all columns within a groupby apply ApplyApply, Aggregate, Transform, Map Bug Closing CandidateMay be closeable, needs more eyeballs Groupby
#61406 openedMay 8, 2025 bymadelavar12
3 tasks done
BUG: Duplicate columns allowed onConcat, Merge/Join, Stack/Unstack, Explode
merge if originating from separate dataframes Bug Reshaping #61402 openedMay 7, 2025 bynikaltipar
3 tasks done
BUG: to_sql works only for strings Bug IO SQLto_sql, read_sql, read_sql_query Needs InfoClarification about behavior needed to assess issue
#61385 openedMay 1, 2025 bypranav-ds
2 of 3 tasks
BUG: Multindex difference not working on columns with type Timestamp[ns][pyarrow] Arrowpyarrow functionality Bug Numeric OperationsArithmetic, Comparison, and Logical operations
#61382 openedApr 30, 2025 bybmaisonn
2 of 3 tasks
BUG: Python 3.14 may not increment refcount Bug Copy / view semantics Needs DiscussionRequires discussion from core team before further action WarningsWarnings that appear or should be added to pandas
#61368 openedApr 28, 2025 bytacaswell
3 tasks done
BUG: Constructing series with Timedelta object results in datetime series Bug ConstructorsSeries/DataFrame/Index/pd.array Constructors TimedeltaTimedelta data type
#61365 openedApr 27, 2025 byCasper-Guo
3 tasks done
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