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Pull requests list

PERF: Assign unique for monotonic but not strictly monotonic index Index Related to the Index class or subclasses Performance Memory or execution speed performance
#62839 by rhshadrach was merged Oct 25, 2025 Loading…
5 tasks
3.0
1
BUG: adding row to DataFrame with EADtype index loses dtype Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Index Related to the Index class or subclasses
#62345 by jbrockmendel was merged Sep 16, 2025 Loading…
3 of 5 tasks
3.0
1
4
EHN: return early when the result is None Index Related to the Index class or subclasses
#62032 by zhiqiangxu was merged Aug 4, 2025 Loading… 3.0
3
BUG: Fix Series.reindex losing values when reindexing to MultiIndex Index Related to the Index class or subclasses MultiIndex
#61969 by Roline-Stapny was merged Aug 7, 2025 Loading…
4 tasks done
3.0
1
16
API: np.isinf on Index return Index[bool] Index Related to the Index class or subclasses
#61874 by jbrockmendel was merged Jul 16, 2025 Loading…
3 of 5 tasks
3.0
1
1
DOC: Pass docstring validation for Index.infer_objects Docs Index Related to the Index class or subclasses
#61756 by mroeschke was merged Jul 1, 2025 Loading… 3.0
1
BUG: fix: list as index item does not raise Bug Index Related to the Index class or subclasses Stale
#61674 by Andre-Andreati was closed Jul 28, 2025 Loading…
4 of 5 tasks
1
8
BUG: Fix Index.equals between object and string Bug Index Related to the Index class or subclasses Strings String extension data type and string data
#61541 by sanggon6107 was merged Jul 10, 2025 Loading…
4 of 5 tasks
3.0
1
9
TST: Testing for mixed int/str Index Index Related to the Index class or subclasses Testing pandas testing functions or related to the test suite
#61349 by xaris96 was closed Jun 30, 2025 Loading…
5 tasks done
1
38
BUG: Fix na_position type in IndexEngine Index Related to the Index class or subclasses
#61062 by avm19 was merged Mar 7, 2025 Loading…
5 tasks done
3.0
1
5
API: ignore empty range/object dtype in Index setop operations (string dtype compat) Index Related to the Index class or subclasses setops union, intersection, difference, symmetric_difference Strings String extension data type and string data
#60797 by jorisvandenbossche was merged Feb 17, 2025 Loading… 2.3
6
Backport PR #56013 on branch 2.3.x (BUG: get_indexer rountripping through string dtype) Index Related to the Index class or subclasses Strings String extension data type and string data
#60339 by meeseeksmachine was merged Nov 17, 2024 Loading… 2.3
CLN: Remove Index.sort Clean Index Related to the Index class or subclasses
#59283 by mroeschke was merged Jul 23, 2024 Loading… 3.0
1
REF: Use default_index or preserve original Index type for empty-like results Index Related to the Index class or subclasses Refactor Internal refactoring of code
#59035 by mroeschke was merged Jun 18, 2024 Loading…
1 task
3.0
1
1
preserve index in list accessor Arrow pyarrow functionality Index Related to the Index class or subclasses
#58438 by rohanjain101 was merged Apr 30, 2024 Loading…
5 tasks
3.0
1
2
PERF: MultiIndex.memory_usage shouldn't trigger the index engine Index Related to the Index class or subclasses Performance Memory or execution speed performance
#58385 by GianlucaFicarelli was merged Apr 24, 2024 Loading…
5 tasks
3.0
3
PERF: RangeIndex.value_counts/searchsorted/to_numpy Index Related to the Index class or subclasses Performance Memory or execution speed performance
#58376 by mroeschke was merged Apr 29, 2024 Loading… 3.0
1
REF: Defer creating Index._engine until needed Index Related to the Index class or subclasses Refactor Internal refactoring of code
#58370 by mroeschke was merged Apr 23, 2024 Loading… 3.0
1
CLN: union_indexes Clean Index Related to the Index class or subclasses
#58183 by mroeschke was merged Apr 11, 2024 Loading… 3.0
2
BUG: Fix Index.sort_values with natsort_key raises Index Related to the Index class or subclasses Sorting e.g. sort_index, sort_values
#58148 by yuanx749 was merged Apr 5, 2024 Loading…
4 of 5 tasks
3.0
1
4
REF: Allow Index._with_infer to also return RangeIndex Index Related to the Index class or subclasses
#58143 by mroeschke was closed Apr 29, 2024 Loading…
1
PERF: concat([Series, DataFrame], axis=0) returns RangeIndex columns when possible Index Related to the Index class or subclasses Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#58119 by mroeschke was merged Apr 3, 2024 Loading… 3.0
3
PERF: Series(dict) returns RangeIndex when possible Index Related to the Index class or subclasses Series Series data structure
#58118 by mroeschke was merged Apr 3, 2024 Loading… 3.0
3
PERF: groupby returns a RangeIndex from groups when possible Groupby Index Related to the Index class or subclasses
#58117 by mroeschke was closed Apr 9, 2024 Loading…
2
PERF: Allow Index.to_frame to return RangeIndex columns Index Related to the Index class or subclasses Performance Memory or execution speed performance
#58018 by mroeschke was merged Mar 28, 2024 Loading… 3.0
3
ProTip! Updated in the last three days: updated:>2025-11-28.