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Pull requests: pandas-dev/pandas

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Pull requests list

PERF: move string decoding from Python into Cython in read_sas Performance Memory or execution speed performance
#64771 opened Mar 22, 2026 by jbrockmendel • Draft
1 task done
1
PERF: reuse decompression buffer in SAS7BDAT reader Performance Memory or execution speed performance
#64770 opened Mar 22, 2026 by jbrockmendel • Draft
2 tasks done
1
PERF: read SAS page headers in Cython instead of Python Performance Memory or execution speed performance
#64769 opened Mar 22, 2026 by jbrockmendel • Draft
1 task done
1
PERF: pre-compute date/datetime column classification in SAS7BDAT reader IO SAS SAS: read_sas Performance Memory or execution speed performance
#64768 opened Mar 22, 2026 by jbrockmendel • Draft
1 task done
1
BUG: MultiIndex.sortlevel raises TypeError for incomparable types Bug
#64767 opened Mar 22, 2026 by jbrockmendel Loading…
3 tasks done
1
PERF: avoid TextIOWrapper wrapping for binary file-like objects in read_csv Performance Memory or execution speed performance
#64766 opened Mar 22, 2026 by jbrockmendel • Draft
2 tasks
1
PERF: avoid dense-then-resparsify round-trip in SparseArray.isna Performance Memory or execution speed performance Sparse Sparse Data Type
#64765 opened Mar 22, 2026 by jbrockmendel • Draft
2 tasks done
1
PERF: dispatch is_monotonic_increasing/decreasing to ExtensionArray Performance Memory or execution speed performance
#64764 opened Mar 22, 2026 by jbrockmendel • Draft
4 tasks done
1
DEPR: Rename startingMonth to starting_month on offset classes Deprecate Functionality to remove in pandas
#64763 opened Mar 22, 2026 by jbrockmendel • Draft
5 tasks done
1
PERF: use PyArrow native cast for int/bool to string conversion Performance Memory or execution speed performance
#64762 opened Mar 22, 2026 by jbrockmendel • Draft
3 tasks done
1
PERF: use pyarrow dictionary_encode for hashing arrow string/binary types Performance Memory or execution speed performance
#64761 opened Mar 22, 2026 by jbrockmendel • Draft
2 tasks done
1
PERF: Use openpyxl write_only mode in DataFrame.to_excel Performance Memory or execution speed performance
#64760 opened Mar 22, 2026 by jbrockmendel • Draft
3 tasks done
1
DEPR: dropna in pivot_table and crosstab Deprecate Functionality to remove in pandas
#64759 opened Mar 22, 2026 by jbrockmendel • Draft
3 tasks done
1
PERF: use Cython for SparseArray groupby operations Groupby Performance Memory or execution speed performance Sparse Sparse Data Type
#64758 opened Mar 22, 2026 by jbrockmendel • Draft
3 tasks done
1
Update docstring for methods where inplace keyword is deprecated
#64757 opened Mar 22, 2026 by tamhahn Loading…
3 tasks done
PERF: short-circuit fragmentation check in BlockManager.insert Performance Memory or execution speed performance
#64756 opened Mar 22, 2026 by jbrockmendel Loading…
1 task done
1
BUG: raise on uint64 overflow in to_datetime and to_timedelta Bug
#64755 opened Mar 22, 2026 by jbrockmendel Loading…
2 tasks done
1
BUG: Cast np.str_ to str before Cython typed-str calls Bug
#64754 opened Mar 22, 2026 by jbrockmendel Loading…
1
DEPR: Deprecate .at setitem with expansion Deprecate Functionality to remove in pandas
#64753 opened Mar 22, 2026 by jbrockmendel Loading…
4 tasks done
1
BUG: Fix _replace_regex mutating StringArray in-place for non-inplace replace Bug
#64752 opened Mar 21, 2026 by jbrockmendel Loading…
DEPR: DataFrame/Series.to_period and .to_timestamp Deprecate Functionality to remove in pandas
#64751 opened Mar 21, 2026 by jbrockmendel Loading…
7 tasks done
1
REF: use fast_float to read custom decimal separator
#64748 opened Mar 21, 2026 by Alvaro-Kothe Loading…
3 of 7 tasks
6
CLN: Make BaseOffset.base property private
#64746 opened Mar 21, 2026 by tuhinsharma121 Loading…
7
DOC: freeze v0.x whatsnew notes Docs
#64742 opened Mar 20, 2026 by jbrockmendel Loading…
3 tasks done
1
DOC: Document Series reindexing behavior on DataFrame column assignment
#64741 opened Mar 20, 2026 by shivamshinde123 Loading…
4 tasks done
1
1
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