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Pull requests: pandas-dev/pandas
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DOC: Add explanation for non-inclusive slicing on DatetimeIndex
#65049
opened Apr 3, 2026 by
mayank-vk
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CLN: remove unnecessary usage of option_context with future.infer_string in tests
Clean
Testing
pandas testing functions or related to the test suite
PERF: add no_nans fast path in nancorr
Performance
Memory or execution speed performance
#65046
opened Apr 3, 2026 by
jbrockmendel
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1 task done
DEPR: deprecate lsuffix/rsuffix in DataFrame.join in favor of suffixes
Deprecate
Functionality to remove in pandas
#65044
opened Apr 3, 2026 by
jbrockmendel
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2
BUG: fix colorbar side effect changing scatter colors when all c values identical (GH#64980)
#65043
opened Apr 2, 2026 by
ssam18
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BUG: fix np.isnan raising TypeError on pyarrow dtypes (GH#62506)
#65041
opened Apr 2, 2026 by
jbrockmendel
•
Draft
3 tasks done
BUG: fix Index._join_level dropping NaN entries from MultiIndex
#65040
opened Apr 2, 2026 by
jbrockmendel
•
Draft
3 tasks done
PERF: warn when to_numpy() defaults to object dtype for tz-aware datetime
#65039
opened Apr 2, 2026 by
jbrockmendel
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5 tasks done
BUG: fix FloatingArray.astype(str) crash with distinguish_nan_and_na=True
#65038
opened Apr 2, 2026 by
jbrockmendel
•
Draft
2 tasks done
BUG: Fix DataFrame.eval to return scalar for string literal with
in/not in operators
#65037
opened Apr 2, 2026 by
deniskrds
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6 of 7 tasks
PERF: Optimize BlockManager metadata operations and dtype inference
#65035
opened Apr 2, 2026 by
loryzeta33
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1 of 2 tasks
DOC: clarify object-dtype ndarray inference in Index and Series
#65032
opened Apr 2, 2026 by
sdejhgfu
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PERF: Use DataFrame-level reductions in DataFrame.agg with list of funcs
Performance
Memory or execution speed performance
#65031
opened Apr 2, 2026 by
jbrockmendel
•
Draft
3 tasks done
CLN: move empty-array handling from bottleneck_switch into individual nanops functions (GH#18976)
#65029
opened Apr 2, 2026 by
harrywzl
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5 of 7 tasks
PERF: avoid expensive DataFrame snapshot in loc.__setitem__
Performance
Memory or execution speed performance
#65028
opened Apr 2, 2026 by
jbrockmendel
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6 tasks done
PERF: restore hash table pre-allocation in value_count
Performance
Memory or execution speed performance
#65027
opened Apr 2, 2026 by
jbrockmendel
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2 tasks done
PERF: restore kh_get before kh_put in hashtable operations
Performance
Memory or execution speed performance
#65026
opened Apr 2, 2026 by
jbrockmendel
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2 tasks
BUG: Categorical repr values line now respects display.width
#65024
opened Apr 2, 2026 by
jbrockmendel
•
Draft
4 tasks done
BUG: Index repr attributes now wrap to respect display.width
Bug
#65022
opened Apr 2, 2026 by
jbrockmendel
•
Draft
6 tasks done
BUG: Fix groupby pct_change with freq, clean up GH#23918 xfail
#65020
opened Apr 2, 2026 by
jbrockmendel
•
Draft
4 tasks done
TST: Add regression test for concat with tz_convert MonthStart index
#65019
opened Apr 2, 2026 by
jbrockmendel
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1 task done
PERF: Optimize CSV categorical parsing when categories are known
Performance
Memory or execution speed performance
#65018
opened Apr 2, 2026 by
jbrockmendel
•
Draft
4 tasks
BUG: PeriodIndex.to_timestamp with explicit freq ignores how="start"
#65017
opened Apr 2, 2026 by
jbrockmendel
•
Draft
6 tasks done
BUG: Series.searchsorted raises TypeError for incompatible value dtypes
Bug
#65015
opened Apr 2, 2026 by
jbrockmendel
•
Draft
5 tasks done
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