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Pull requests: pandas-dev/pandas
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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
#61454
opened May 18, 2025 by
iabhi4
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4 tasks done
TYP: Update typing for 3.10
Typing
type annotations, mypy/pyright type checking
#61453
opened May 18, 2025 by
Dr-Irv
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BUG: Fix DataFrame constructor misclassification of array-like with 'name' attribute (#61443)
Bug
Constructors
Series/DataFrame/Index/pd.array Constructors
BUG: Fix Dataframe handling of scalar Timestamp #61444
#61450
opened May 17, 2025 by
Farsidetfs
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Draft
3 tasks
BUG: Raise ValueError on integer indexers containing NA; skip test for unsupported EAs
#61441
opened May 14, 2025 by
pelagiavlas
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5 tasks
ENH: Implemented MultiIndex.searchsorted method ( GH14833)
Enhancement
MultiIndex
#61435
opened May 12, 2025 by
GSAUC3
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4 of 5 tasks
BUG: Fix memory leak when slicing Series and assigning to self
#61426
opened May 10, 2025 by
niranjanorkat
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BUG: Raise MergeError when suffixes result in duplicate column names …
Bug
Reshaping
Concat, Merge/Join, Stack/Unstack, Explode
BUG: round on object columns no longer raises a TypeError
Bug
Numeric Operations
Arithmetic, Comparison, and Logical operations
Regression
Functionality that used to work in a prior pandas version
Fix #60766:.map,.apply would convert element type for extension array
#61396
opened May 3, 2025 by
pedromfdiogo
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5 tasks
fix MultiIndex.difference not working with PyArrow timestamps (#61382) ,and some ruff formating fix
#61391
opened May 2, 2025 by
NEREUScode
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Fix alignment in Series subtraction with MultiIndex, Index and NaN values (#60908)
#61381
opened Apr 30, 2025 by
rit4rosa
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Fix pyarrow comparison issue in array.py
#61372
opened Apr 28, 2025 by
AshleySonny
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4 of 5 tasks
BUG: Raise ValueError for non-string columns in read_json orient='table' (GH19129)
Error Reporting
Incorrect or improved errors from pandas
IO JSON
read_json, to_json, json_normalize
#61359
opened Apr 26, 2025 by
amoitra1
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Fix #61072: inconsistent fullmatch results with regex alternation
Bug
Strings
String extension data type and string data
#61343
opened Apr 23, 2025 by
Pedro-Santos04
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1 task
PERF: Restore old performances with .isin() on columns typed as np.ui…
isin
isin method
Performance
Memory or execution speed performance
Regression
Functionality that used to work in a prior pandas version
[WIP] ENH: support reading directory in read_csv
IO CSV
read_csv, to_csv
#61275
opened Apr 12, 2025 by
fangchenli
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5 tasks
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