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Pull requests: pandas-dev/pandas
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ENH: Basis for a StringDtype using Arrow ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
API: Add string extension type Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
API: Series.str-accessor infers dtype (and Index.str does not raise on all-NA) Strings String extension data type and string data
CLN/ERR: str.cat internals Clean Error Reporting Incorrect or improved errors from pandas Strings String extension data type and string data
REF: Dispatch string methods to ExtensionArray ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
TST: add method/dtype coverage to str-accessor; precursor to #23167 Strings String extension data type and string data Testing pandas testing functions or related to the test suite
API: more permissive conversion to StringDtype ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
ENH: str.replace accepts a compiled expression Enhancement Strings String extension data type and string data
BUG: inconsistency between replace dict using integers and using strings (#20656) Bug Compat pandas objects compatability with Numpy or Python functions Strings String extension data type and string data
ENH: added regex argument to Series.str.split Enhancement Strings String extension data type and string data
ENH: Implement StringArray.min / max Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
DEPR: list-likes of list-likes in str.cat Deprecate Functionality to remove in pandas Strings String extension data type and string data
ENH: [ArrowStringArray] Enable the string methods for the arrow-backed StringArray Enhancement Strings String extension data type and string data
Fix str dtype -> IntegerDtype conversions Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
DOC: Updating str_slice docstring Docs Strings String extension data type and string data
#22569 by JesperDramsch was merged Oct 4, 2018 Loading…
PERF: groupby with string dtype Groupby Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version Strings String extension data type and string data
REF: StringArray._from_sequence, use less memory Performance Memory or execution speed performance Strings String extension data type and string data
BUG: fixed .str.contains(..., na=False) for categorical series Categorical Categorical Data Type Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Strings String extension data type and string data
Follow-up #20347: incorporate review about _get_series_list Clean Strings String extension data type and string data
BUG: Index.str.partition not nan-safe (#23558) Bug Indexing Related to indexing on series/frames, not to indexes themselves Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Strings String extension data type and string data
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