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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…
5 of 6 tasks
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
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
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
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
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
TST: Isin converted floats unnecessarily to int causing rounding issues Dtype Conversions Unexpected or buggy dtype conversions isin isin method
ProTip! What’s not been updated in a month: updated:<2025-11-01.