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ENH: consistent exception messages for arithmetic

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

Status: Closed (abandoned).

pandas-dev/pandasnumber 62455

#62455 In pandas-dev/pandas;

· by jbrockmendel was closed on Oct 20, 2025

· Updated on Oct 20, 2025

DEPR: .str accessor with object dtype

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

StringsString extension data type and string dataString extension data type and string data

Status: Closed (abandoned).

pandas-dev/pandasnumber 62159

#62159 In pandas-dev/pandas;

· by jbrockmendel was closed on Sep 25, 2025

· Updated on Sep 25, 2025

DEPR: flags

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

Status: Closed (abandoned).

pandas-dev/pandasnumber 52153

#52153 In pandas-dev/pandas;

· by jbrockmendel was closed on Jan 9, 2024

· Updated on Jan 9, 2024

CI: Bump pandas-gbq to one that doesn't pin pyarrow

Arrowpyarrow functionalitypyarrow functionality

DependenciesRequired and optional dependenciesRequired and optional dependencies

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 54200

#54200 In pandas-dev/pandas;

· by lithomas1 was closed on Oct 23, 2023

· Updated on Oct 23, 2023

PERF: Use a C Union in maybe_convert_numeric

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

PerformanceMemory or execution speed performanceMemory or execution speed performance

Status: Closed (abandoned).

pandas-dev/pandasnumber 51029

#51029 In pandas-dev/pandas;

· by lithomas1 was closed on Aug 11, 2023

· Updated on Sep 13, 2023

DOC: Mark contributors.py as not parallel safe

Docs

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

Status: Closed (abandoned).

pandas-dev/pandasnumber 54916

#54916 In pandas-dev/pandas;

· by mroeschke was closed on Sep 5, 2023

· Updated on Sep 5, 2023

BUG: stack doesn't preserve lower precision floating dtypes

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 51602

#51602 In pandas-dev/pandas;

· by lithomas1 was closed on Aug 25, 2023

· Updated on Aug 25, 2023

PERF: DataFrame(ndarr, copy=True)

Copy / view semantics

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

PerformanceMemory or execution speed performanceMemory or execution speed performance

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 52440

#52440 In pandas-dev/pandas;

· by topper-123 was closed on Aug 7, 2023

· Updated on Aug 7, 2023

PERF: Make __iadd__ actually inplace

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

Numeric OperationsArithmetic, Comparison, and Logical operationsArithmetic, Comparison, and Logical operations

PerformanceMemory or execution speed performanceMemory or execution speed performance

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 52155

#52155 In pandas-dev/pandas;

· by lithomas1 was closed on Aug 1, 2023

· Updated on Aug 1, 2023

PERF: Use String HashTable in value_counts

AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diffNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

PerformanceMemory or execution speed performanceMemory or execution speed performance

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 52113

#52113 In pandas-dev/pandas;

· by lithomas1 was closed on Aug 1, 2023

· Updated on Aug 1, 2023

PERF: improve 2D array access / transpose() for masked dtypes

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

NA - MaskedArraysRelated to pd.NA and nullable extension arraysRelated to pd.NA and nullable extension arrays

PerformanceMemory or execution speed performanceMemory or execution speed performance

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 52083

#52083 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 1, 2023

· Updated on Aug 1, 2023

PERF: Don't copy if already sorted in DataSplitter

MothballedTemporarily-closed PR the author plans to return toTemporarily-closed PR the author plans to return to

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 52035

#52035 In pandas-dev/pandas;

· by lithomas1 was closed on Aug 1, 2023

· Updated on Aug 1, 2023