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Pull requests: pandas-dev/pandas
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API: consistent NaN treatment for pyarrow dtypes
PDEP missing values
Issues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint
#61732
opened Jun 28, 2025 by
jbrockmendel
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5 of 6 tasks
API/CoW: take view of underlying Block values for shallow (deep=False) copies
Copy / view semantics
Stale
#58966
opened Jun 10, 2024 by
jorisvandenbossche
•
Draft
5 tasks
TST (string dtype): clean-up interpolate tests
Missing-data
np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
Stale
Strings
String extension data type and string data
Testing
pandas testing functions or related to the test suite
ExtensionArray.Round method and tests
ExtensionArray
Extending pandas with custom dtypes or arrays.
Stale
#54582
opened Aug 16, 2023 by
andrewgsavage
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5 tasks done
ENH: speed up wide DataFrame.line plots by using a single LineCollection
Performance
Memory or execution speed performance
Visualization
plotting
#61764
opened Jul 3, 2025 by
EvMossan
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4 tasks done
TST: assert reading of legacy pickles against current data
IO Pickle
read_pickle, to_pickle
Testing
pandas testing functions or related to the test suite
WEB: add note to PDEP-10 about delayed timeline for requiring pyarrow
Web
pandas website
#61706
opened Jun 25, 2025 by
jorisvandenbossche
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BUG: Raise TypeError when joining with non-DataFrame using 'on=' (GH#61434)
Error Reporting
Incorrect or improved errors from pandas
Reshaping
Concat, Merge/Join, Stack/Unstack, Explode
Stale
#61454
opened May 18, 2025 by
iabhi4
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4 tasks done
DOC: Show constructor arguments for some classes in
pd.series.offsets
Docs
#61605
opened Jun 8, 2025 by
Dr-Irv
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BUG: Fix lost precision with common type of uint64/int64
Bug
Dtype Conversions
Unexpected or buggy dtype conversions
isin
isin method
#61679
opened Jun 19, 2025 by
pbrochart
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5 of 6 tasks
BUG: to_numeric fails to convert a Pyarrow Decimal series containing NA values
Arrow
pyarrow functionality
Bug
Dtype Conversions
Unexpected or buggy dtype conversions
#61659
opened Jun 14, 2025 by
chilin0525
•
Draft
2 of 5 tasks
Parallelize test_sql.py - Issue #60378
IO SQL
to_sql, read_sql, read_sql_query
Testing
pandas testing functions or related to the test suite
#61551
opened Jun 4, 2025 by
dShcherbakov1
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4 tasks
API: Replace na_action parameter in Series/DataFrame/Index.map by the standard skipna
API Design
Apply
Apply, Aggregate, Transform, Map
Stale
#61530
opened Jun 1, 2025 by
datapythonista
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5 tasks done
CLN: Use dedup_names for column name mangling in Python parser (#50371)
Clean
#61670
opened Jun 16, 2025 by
Veneel77
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3 of 5 tasks
Raise MergeError on mismatched signed/unsigned int merge keys
Bug
Reshaping
Concat, Merge/Join, Stack/Unstack, Explode
Stale
#61694
opened Jun 23, 2025 by
RITAMIT2023
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BUG: Raise ValueError on integer indexers containing NA; skip test for unsupported EAs(#56727)
Bug
ExtensionArray
Extending pandas with custom dtypes or arrays.
Stale
Testing
pandas testing functions or related to the test suite
#61465
opened May 20, 2025 by
pelagiavlas
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5 tasks done
ENH: Added
DataFrame.nsorted to select top n rows according to column-dependent order
Stale
#61457
opened May 19, 2025 by
MartinBraquet
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5 tasks done
ENH: Add Concat, Merge/Join, Stack/Unstack, Explode
Stale
force_suffixes boolean argument to pd.merge
Enhancement
Reshaping
#61498
opened May 26, 2025 by
kopytjuk
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2 of 5 tasks
ENH: Implemented MultiIndex.searchsorted method ( GH14833)
Enhancement
MultiIndex
Stale
#61435
opened May 12, 2025 by
GSAUC3
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5 tasks done
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Updated in the last three days: updated:>2025-08-05.