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Pull requests: pandas-dev/pandas
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CI: Update pixi.lock
CI
Continuous Integration
#65447
opened May 3, 2026 by
github-actions
Bot
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DOC: clarify PeriodIndex.is_full behavior with duplicate periods
#65445
opened May 2, 2026 by
vkverma9534
Contributor
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PERF: speed up read_sas for compressed SAS7BDAT files
Performance
Memory or execution speed performance
#65444
opened May 2, 2026 by
jbrockmendel
Member
•
Draft
4 of 5 tasks
BUG: Index.str.split/rsplit/findall return ndarray on object path
#65443
opened May 1, 2026 by
jbrockmendel
Member
•
Draft
7 tasks done
BUG: Index.get_indexer matches pd.NA against NaN for list input but not ndarray input #65419
#65442
opened May 1, 2026 by
sayantancodex
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3 tasks done
DOC: clarify missing-value handling in pandas and NumPy reductions
#65441
opened May 1, 2026 by
praneethhere
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TST: regression test for concat with keys and mixed-freq PeriodIndex columns
#65439
opened May 1, 2026 by
jbrockmendel
Member
•
Draft
1 task done
BUG: Period.strftime crashes on Windows for invalid format strings
Bug
#65438
opened May 1, 2026 by
jbrockmendel
Member
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3 tasks done
Account for privatization of matplotlib
Formatter.locs attribute
#65436
opened Apr 30, 2026 by
ayshih
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2 of 3 tasks
BUG: Timestamp with 1-3 digit BC year silently drops leading '-' (GH-55954)
Bug
#65435
opened Apr 30, 2026 by
jbrockmendel
Member
•
Draft
3 tasks done
DEPR: %n directive in Period.strftime, use %N instead
Deprecate
Functionality to remove in pandas
#65432
opened Apr 30, 2026 by
jbrockmendel
Member
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4 tasks done
BUG: restore array-level state and avoid object roundtrip in DataFrame._append_internal
#65431
opened Apr 30, 2026 by
jbrockmendel
Member
•
Draft
4 tasks done
BUG: fix offset uppercase aliases rejection path and error types
#65428
opened Apr 30, 2026 by
sun-0-set
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7 tasks done
DOC: Improve to_numeric return type documentation clarity
#65427
opened Apr 30, 2026 by
VaishnaviBardapure
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2 of 7 tasks
TST: add regression test for Timestamp(fold=..., tz=<str>) (GH-55932)
#65422
opened Apr 29, 2026 by
jbrockmendel
Member
•
Draft
1 task done
BUG: merge with NaN-labeled join key produced duplicate columns
Bug
#65420
opened Apr 29, 2026 by
jbrockmendel
Member
•
Draft
4 tasks done
BUG: DataFrame.loc setitem-with-expansion preserves dtype for list-like values (GH-42099)
Bug
#65418
opened Apr 29, 2026 by
jbrockmendel
Member
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DOC: clarify indexing behavior regarding .loc and .iloc
#65414
opened Apr 29, 2026 by
hbd9577
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5 tasks
BUG: Categorical.map with defaultdict replaces NA with NaN
#65413
opened Apr 29, 2026 by
Mahajan-Sachin
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DOC: improve Series.map examples
#65412
opened Apr 29, 2026 by
rmsmuralidharan
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2 of 7 tasks
TST: also convert str index to object in pyarrow->pandas conversion for infer_string=0 CI
Arrow
pyarrow functionality
CI
Continuous Integration
PERF: skip to_datetime cache=True overhead for no-help input shapes (GH#65380)
#65409
opened Apr 29, 2026 by
arzaan789
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7 tasks done
PERF: speed up to_offset string parsing
Performance
Memory or execution speed performance
#65395
opened Apr 28, 2026 by
jbrockmendel
Member
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Draft
7 of 12 tasks
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