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Pull requests: pandas-dev/pandas
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BUG: distinguish bool from int in object-dtype hash table
#64639
opened Mar 16, 2026 by
jbrockmendel
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1 of 5 tasks
PERF: fix slow repr for Series/DataFrame with third-party array-like objects
#64638
opened Mar 16, 2026 by
jbrockmendel
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3 tasks done
fix: BUG: constructing string ArrowExtensionArray with NaNs fails
#64637
opened Mar 16, 2026 by
JiwaniZakir
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BUG: Fix 2D ExtensionArray handling in construction and CSV serialization
#64634
opened Mar 16, 2026 by
jbrockmendel
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2 tasks done
BUG: fix "1 ," converting to 1 by
read_csv c engine with tsep
#64631
opened Mar 16, 2026 by
bilichboris
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5 of 7 tasks
BUG: add out of bounds time checks for float inputs exceeding int64 limits
#64619
opened Mar 15, 2026 by
bilichboris
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6 of 7 tasks
TST: add regression test for groupby agg with multiple partial functions
#64618
opened Mar 15, 2026 by
Sarah-2003
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3 tasks done
TST: add regression test for enlarging a DataFrame by adding an extra column with a tz-aware datetime results in object dtype
#64616
opened Mar 15, 2026 by
syedmuhammadayyanibrar
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3 of 7 tasks
DEPR: .values lossy behavior for DatetimeTZDtype, PeriodDtype, IntervalDtype
API - Consistency
Internal Consistency of API/Behavior
Deprecate
Functionality to remove in pandas
#64613
opened Mar 15, 2026 by
jbrockmendel
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4 tasks done
2
PERF: speed up strftime for common format directives
Performance
Memory or execution speed performance
#64609
opened Mar 15, 2026 by
jbrockmendel
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6 tasks done
DOC: Clarify reindexing in column assignment (#39845)
Docs
Indexing
Related to indexing on series/frames, not to indexes themselves
#64601
opened Mar 15, 2026 by
AKSHAY355-a
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4 of 7 tasks
ENH: Migrate numpydoc validation to sphinx
Docs
#64595
opened Mar 14, 2026 by
tuhinsharma121
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4 tasks done
DEPR: deprecate non-ndarray/Series/Index x in cut and qcut
Deprecate
Functionality to remove in pandas
#64589
opened Mar 14, 2026 by
jbrockmendel
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3 tasks done
TST: Add regression test for GH#55969
#64587
opened Mar 13, 2026 by
syedmuhammadayyanibrar
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7 tasks
DOC: clarifying min_itemsize in HDFStore.append and HDFStore.put documentation
Docs
IO HDF5
read_hdf, HDFStore
#64583
opened Mar 13, 2026 by
K0Stek122
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7 tasks done
PERF: [POC] compute skew and kurtosis with multithreading
#64582
opened Mar 13, 2026 by
Alvaro-Kothe
•
Draft
PERF: use np.unique instead of pd.unique in _FrequencyInferer
Performance
Memory or execution speed performance
#64575
opened Mar 13, 2026 by
jbrockmendel
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PERF: optimize block consolidation
Performance
Memory or execution speed performance
#64574
opened Mar 13, 2026 by
jbrockmendel
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4 tasks done
BUG: Fix bug (#64524) where
read_html parses a nested table incorrectly when using html5lib or bs4 flavors
#64571
opened Mar 12, 2026 by
fumoboy007
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6 of 7 tasks
BUG: Fix HDFStore.put with StringDtype columns and compression (#64180)
#64569
opened Mar 12, 2026 by
alubbock
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6 of 7 tasks
BUG: raising clear error for hist/box with duplicate column names
#64567
opened Mar 12, 2026 by
mserdukoff
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4 of 7 tasks
TYP: add type annotations for dynamically-inherited DatetimeIndex attributes
Typing
type annotations, mypy/pyright type checking
#64562
opened Mar 12, 2026 by
tuhinsharma121
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1 task done
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