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Pull requests: pandas-dev/pandas
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Backport PR #47581 on branch 1.4.x (BUG: DataFrame.loc not aligning rhs df for single block case) Indexing Related to indexing on series/frames, not to indexes themselves Regression Functionality that used to work in a prior pandas version
BUG: frame.iloc[i] with a single EA column Bug Indexing Related to indexing on series/frames, not to indexes themselves
TST: tests for nullable issues Categorical Categorical Data Type Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves Testing pandas testing functions or related to the test suite
TST: tests for setitem-like casting issues Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves Testing pandas testing functions or related to the test suite
BUG: fix GH45032 iloc(axis=1).__setitem__ axis argument Bug Indexing Related to indexing on series/frames, not to indexes themselves
BUG: Series.__setitem__ failing to cast numeric values Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves
DEPR: Index.__getitem__[bool] GH#44051 Deprecate Functionality to remove in pandas Indexing Related to indexing on series/frames, not to indexes themselves
PERF: Faster SparseArray.__getitem__ for boolean masks (#23122) Indexing Related to indexing on series/frames, not to indexes themselves Performance Memory or execution speed performance Sparse Sparse Data Type
BUG: groupby agg raising when column was selected twice Error Reporting Incorrect or improved errors from pandas Groupby Indexing Related to indexing on series/frames, not to indexes themselves
BUG: df.iloc[ndarray, ndarray] = 2dvals raising with EA column Bug ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves
BUG: Indexing on nullable column Bug Indexing Related to indexing on series/frames, not to indexes themselves NA - MaskedArrays Related to pd.NA and nullable extension arrays
BUG: fix get_indexer_non_unique() with 'object' targets with NaNs (#4… Bug Indexing Related to indexing on series/frames, not to indexes themselves Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
BUG: Using boolean keys to select a column (GH44322) Bug Indexing Related to indexing on series/frames, not to indexes themselves
BUG: .get_indexer_non_unique() must return an array of ints (#44084) Indexing Related to indexing on series/frames, not to indexes themselves Interval Interval data type MultiIndex
BUG: frame.loc[2:, 'z'] not setting inplace when multi-block Indexing Related to indexing on series/frames, not to indexes themselves
Revert "REF: remove putmask_preserve, putmask_without_repeat" Indexing Related to indexing on series/frames, not to indexes themselves
BUG: failure to cast all-int floating dtypes when setting into int dtypes Bug Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves
BUG: broadcasting listlike values in Series.__setitem__ GH#44265 Bug Indexing Related to indexing on series/frames, not to indexes themselves Nested Data Data where the values are collections (lists, sets, dicts, objects, etc.).
CLN: de-duplicate Ellipsis-handling Clean Indexing Related to indexing on series/frames, not to indexes themselves
Fix series with none equals float series Bug Indexing Related to indexing on series/frames, not to indexes themselves
REF: dispatch DTI/TDI setops to RangeIndex Indexing Related to indexing on series/frames, not to indexes themselves Refactor Internal refactoring of code
ENH: Update isin docs with examples of ~ operator usage (#43959) Docs Indexing Related to indexing on series/frames, not to indexes themselves
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