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Pull requests list

BUG: Fix lost precision with common type of uint64/int64 Bug Dtype Conversions Unexpected or buggy dtype conversions isin isin method Stale
#61679 by pbrochart was closed Oct 5, 2025 Loading… updated Oct 5, 2025
5 of 6 tasks
2
10
PERF: Restore old performances with .isin() on columns typed as np.ui… isin isin method Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version
#61320 by pbrochart was merged May 19, 2025 Loading… updated May 19, 2025
1 of 5 tasks
3.0
1
4
REGR: MultiIndex.isin raising TypeError for generator isin isin method MultiIndex
#52572 by phofl was merged Apr 11, 2023 Loading… updated Apr 11, 2023
5 tasks done
2.0.1
1
2
Backport PR #52572 on branch 2.0.x (REGR: MultiIndex.isin raising TypeError for generator) isin isin method MultiIndex
#52602 by meeseeksmachine was merged Apr 11, 2023 Loading… updated Apr 11, 2023 2.0.1
ASV: Add benchmarks for isin Benchmark Performance (ASV) benchmarks isin isin method
#45096 by phofl was merged Dec 28, 2021 Loading… updated Dec 28, 2021
2 tasks done
1.4
1
Backport PR #42714 on branch 1.3.x (PERF/REGR: isin slowdown for masked type) isin isin method NA - MaskedArrays Related to pd.NA and nullable extension arrays Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version
#42726 by meeseeksmachine was merged Jul 26, 2021 Loading… updated Jul 26, 2021 1.3.2
PERF/REGR: isin slowdown for masked type isin isin method NA - MaskedArrays Related to pd.NA and nullable extension arrays Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version
#42714 by mzeitlin11 was merged Jul 26, 2021 Loading… updated Jul 26, 2021
2 tasks done
1.3.2
9
REGR: isin with nullable types with missing values raising isin isin method NA - MaskedArrays Related to pd.NA and nullable extension arrays Regression Functionality that used to work in a prior pandas version
#42473 by mzeitlin11 was merged Jul 14, 2021 Loading… updated Jul 16, 2021
5 tasks done
1.3.1
2
37
Backport PR #42473: REGR: isin with nullable types with missing values raising isin isin method NA - MaskedArrays Related to pd.NA and nullable extension arrays Regression Functionality that used to work in a prior pandas version
#42543 by mzeitlin11 was merged Jul 15, 2021 Loading… updated Jul 16, 2021 1.3.1
1
TST: Isin converted floats unnecessarily to int causing rounding issues Dtype Conversions Unexpected or buggy dtype conversions isin isin method
#37770 by phofl was merged Dec 29, 2020 Loading… updated Dec 30, 2020
6 tasks done
1.3
2
18
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