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Pull requests list

BUG/TST: added TypeError if object dtypes are detected in dataframe Bug DataFrame DataFrame data structure Stale
#61682 by sharkipelago was closed Oct 5, 2025 Loading…
3 of 4 tasks
1
14
Backport PR #57340 on branch 2.2.x (REGR: shift raising for axis=1 and empty df) DataFrame DataFrame data structure
#57381 by meeseeksmachine was merged Feb 12, 2024 Loading… 2.2.1
PERF: Avoid Series constructor in DataFrame(dict(...), columns=) DataFrame DataFrame data structure Performance Memory or execution speed performance
#57205 by mroeschke was merged Feb 24, 2024 Loading…
3 tasks
3.0
2
5
BUG: fix bug in DataFrame.diff when dataframe has bool dtype and axis=1 Bug DataFrame DataFrame data structure Transformations e.g. cumsum, diff, rank
#57193 by yuanx749 was closed Jun 17, 2024 Loading…
4 of 5 tasks
1
3
Backport PR #52565 on branch 2.0.x (REGR: Fix regression in sort_values not resetting index) DataFrame DataFrame data structure Regression Functionality that used to work in a prior pandas version
#52583 by meeseeksmachine was merged Apr 11, 2023 Loading… 2.0.1
REF: define reductions non-dynamically DataFrame DataFrame data structure Refactor Internal refactoring of code Series Series data structure
#52428 by jbrockmendel was merged Apr 5, 2023 Loading…
5 tasks
2.1
5
Backport PR #52054 on branch 2.0.x (PERF: Improve performance with copy=True and different dtype) DataFrame DataFrame data structure Performance Memory or execution speed performance
#52088 by meeseeksmachine was merged Mar 20, 2023 Loading… 2.0
DEP: Deprecate passing a DataFrame to from_records DataFrame DataFrame data structure Deprecate Functionality to remove in pandas
#51697 by phofl was merged Mar 3, 2023 Loading…
5 tasks done
2.1
1
5
BUG: DataFrame reductions with object dtype and axis=1 DataFrame DataFrame data structure Dtype Conversions Unexpected or buggy dtype conversions Reduction Operations sum, mean, min, max, etc. Stale
#50224 by rhshadrach was closed Feb 11, 2023 • Draft
5 tasks done
1
3
Backport PR #50068 on branch 1.5.x (REGR: memory_usage showing unnecessary FutureWarning) Bug DataFrame DataFrame data structure Regression Functionality that used to work in a prior pandas version
#50122 by meeseeksmachine was merged Dec 8, 2022 Loading… 1.5.3
BUG: DataFrame reductions with object dtype and axis=1 DataFrame DataFrame data structure Dtype Conversions Unexpected or buggy dtype conversions Reduction Operations sum, mean, min, max, etc.
#49619 by rhshadrach was closed Dec 13, 2022 • Draft
5 tasks done
1
1
BUG: DataFrame reductions with object dtype and axis=1 Bug DataFrame DataFrame data structure Dtype Conversions Unexpected or buggy dtype conversions Reduction Operations sum, mean, min, max, etc.
#49616 by rhshadrach was closed Nov 10, 2022 Loading…
5 tasks done
2.0
1
BUG: Fixing DataFrame.Update crashes when NaT present DataFrame DataFrame data structure
#49395 by wxing11 was merged Nov 15, 2022 Loading…
3 of 5 tasks
2.0
1
24
DEPR: Enforce dropping of datetime in DataFrame.mean/median with numeric_only=None DataFrame DataFrame data structure Deprecate Functionality to remove in pandas Nuisance Columns Identifying/Dropping nuisance columns in reductions, groupby.add, DataFrame.apply Reduction Operations sum, mean, min, max, etc.
#49384 by rhshadrach was closed Oct 29, 2022 Loading…
5 tasks
2.0
2
BUG: inconsistent behaviour for empty DataFrames DataFrame DataFrame data structure Stale Testing pandas testing functions or related to the test suite
#48327 by ntachukwu was closed Nov 29, 2022 • Draft
1 of 2 tasks
1
14
Backport PR #47774 on branch 1.4.x (BUG: Fix fillna on multi indexed Dataframe doesn't work) DataFrame DataFrame data structure Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate MultiIndex
#48216 by simonjayhawkins was merged Aug 23, 2022 Loading… 1.4.4
Backport PR #48169 on branch 1.4.x (BUG: DataFrame.select_dtypes(include=number) still included BooleanDtype) DataFrame DataFrame data structure Dtype Conversions Unexpected or buggy dtype conversions
#48174 by meeseeksmachine was merged Aug 20, 2022 Loading… 1.4.4
Bug: Unexpected behavior when assigning multi-dimensional array to DataFrame column DataFrame DataFrame data structure Indexing Related to indexing on series/frames, not to indexes themselves
#48077 by weikhor was closed Aug 25, 2022 Loading…
5 tasks
1
10
DOC: Fix introduction of DataFrame.rename DataFrame DataFrame data structure Docs
#43723 by bharatr21 was closed Sep 29, 2021 Loading…
2 of 4 tasks
1
2
Backport PR #43041 on branch 1.3.x (Fix len one list dataframe constructor bug for datetime) Constructors Series/DataFrame/Index/pd.array Constructors DataFrame DataFrame data structure Regression Functionality that used to work in a prior pandas version
#43077 by meeseeksmachine was merged Aug 17, 2021 Loading… 1.3.3
1
Backport PR #43041 on branch 1.3.x (Fix len one list dataframe constructor bug for datetime) Constructors Series/DataFrame/Index/pd.array Constructors DataFrame DataFrame data structure Regression Functionality that used to work in a prior pandas version
#43076 by phofl was closed Aug 17, 2021 Loading… 1.3.3
2
Backport PR #42942 on branch 1.3.x (ERR: clarify PerformanceWarning for fragmented frame) DataFrame DataFrame data structure Indexing Related to indexing on series/frames, not to indexes themselves Warnings Warnings that appear or should be added to pandas
#42958 by meeseeksmachine was merged Aug 10, 2021 Loading… 1.3.2
ERR: clarify PerformanceWarning for fragmented frame DataFrame DataFrame data structure Indexing Related to indexing on series/frames, not to indexes themselves Warnings Warnings that appear or should be added to pandas
#42942 by mzeitlin11 was merged Aug 9, 2021 Loading… 1.3.2
6
Backport PR #40592: REGR: where not copying on no-op DataFrame DataFrame data structure Indexing Related to indexing on series/frames, not to indexes themselves
#40634 by simonjayhawkins was merged Mar 25, 2021 Loading… 1.2.4
REGR: where not copying on no-op DataFrame DataFrame data structure Indexing Related to indexing on series/frames, not to indexes themselves Regression Functionality that used to work in a prior pandas version
#40592 by mzeitlin11 was merged Mar 23, 2021 Loading…
4 tasks done
1.2.4
1
3
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