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Fix #61072: inconsistent fullmatch results with regex alternation Bug Strings String extension data type and string data
#61343 by Pedro-Santos04 was closed Jun 30, 2025 Loading… updated Jun 30, 2025
1 task
TST(string dtype): Resolve HDF5 xfails in test_put.py IO HDF5 read_hdf, HDFStore Strings String extension data type and string data
BUG: pandas.Series.unique() does not return correct unique values on non UTF8 enodeable strings Strings String extension data type and string data
#58215 by mroeschke was closed Apr 12, 2024 Loading… updated Apr 12, 2024
1 task
API/BUG: Fix is_string_dtype and make more strict Dtype Conversions Unexpected or buggy dtype conversions Strings String extension data type and string data
#49378 by mroeschke was merged Nov 3, 2022 Loading… updated Jan 12, 2023
4 of 5 tasks
API: allow nan-likes in StringArray constructor ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Strings String extension data type and string data
#41412 by lithomas1 was closed Apr 24, 2022 Loading… updated May 12, 2022
4 tasks done
BUG: ArrowStringArray.copy Strings String extension data type and string data
#44874 by jbrockmendel was closed Dec 24, 2021 • Draft updated Dec 24, 2021
4 tasks
BUG: convert_dtypes incorrectly converts byte strings to strings in 1.3+ Dtype Conversions Unexpected or buggy dtype conversions Regression Functionality that used to work in a prior pandas version Strings String extension data type and string data
PERF: Allow str.split callers to skip expensive post-processing Performance Memory or execution speed performance Stale Strings String extension data type and string data
#35223 by wbadart was closed Sep 30, 2020 Loading… updated Aug 30, 2021
3 of 4 tasks
ENH: add str.removeprefix Enhancement Stale Strings String extension data type and string data
#39226 by erfannariman was closed Jun 8, 2021 Loading… updated Jun 8, 2021
3 of 4 tasks
[ArrowStringArray] API: StringDtype parameterized by storage (python or pyarrow) API Design Strings String extension data type and string data
TST: [ArrowStringArray] more parameterised testing - part 1 Strings String extension data type and string data Testing pandas testing functions or related to the test suite
Implement some reductions for string Series ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
#31757 by dsaxton was closed Mar 5, 2020 Loading… updated Mar 30, 2021
5 tasks done
ENH: Arrow backed string array - implement factorize() method without casting to objects ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
'lower' method causing problems when individual values are being read as 'int' Strings String extension data type and string data
#39289 by abhinavprao was closed Feb 11, 2021 Loading… updated Feb 11, 2021
BUG: avoid attribute error with pyarrow >=0.16.0 and <1.0.0 Dependencies Required and optional dependencies ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
BUG: Series.replace does not preserve dtype of original Series Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Mothballed Temporarily-closed PR the author plans to return to replace replace method Strings String extension data type and string data
BUG: pd.Series.replace does not preserve the original dtype Dtype Conversions Unexpected or buggy dtype conversions replace replace method Stale Strings String extension data type and string data
#33622 by kotamatsuoka was closed Sep 25, 2020 Loading… updated Sep 25, 2020
3 of 5 tasks
BUG: Fix astype from float32 to string Bug Output-Formatting __repr__ of pandas objects, to_string Regression Functionality that used to work in a prior pandas version Strings String extension data type and string data
BUG: string methods with NA Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Strings String extension data type and string data
REGR: Series.str.encode("base64") Regression Functionality that used to work in a prior pandas version Strings String extension data type and string data
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