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DOC: add pandas 3.0 migration guide for the string dtype Docs Strings String extension data type and string data
BUG: DataFrame.explode fails with str dtype Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode Strings String extension data type and string data
BUG: Fix Index.equals between object and string Bug Index Related to the Index class or subclasses Strings String extension data type and string data
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…
1 task
String dtype: more informative repr (keeping brief __str__) Output-Formatting __repr__ of pandas objects, to_string Strings String extension data type and string data
#61148 by jorisvandenbossche was merged May 10, 2025 Loading…
API (string dtype): implement hierarchy (NA > NaN, pyarrow > python) for consistent comparisons between different string dtypes API - Consistency Internal Consistency of API/Behavior Numeric Operations Arithmetic, Comparison, and Logical operations Strings String extension data type and string data
ENH(string dtype): fallback for HDF5 with UTF-8 surrogates IO HDF5 read_hdf, HDFStore Strings String extension data type and string data
BUG(string dtype): groupby/resampler.min/max returns float on all NA strings Bug Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reduction Operations sum, mean, min, max, etc. Strings String extension data type and string data
Backport PR #60938: ENH(string dtype): Implement cumsum for Python-backed strings Strings String extension data type and string data
Backport PR #60940: ENH: Add dtype argument to str.decode Enhancement Strings String extension data type and string data
Backport PR #60943: BUG(string dtype): Resolve pytables xfail when reading with condition IO HDF5 read_hdf, HDFStore Strings String extension data type and string data
BUG(string dtype): Resolve pytables xfail when reading with condition IO HDF5 read_hdf, HDFStore Strings String extension data type and string data
ENH: Add dtype argument to str.decode Enhancement Strings String extension data type and string data
ENH(string dtype): Implement cumsum for Python-backed strings Strings String extension data type and string data
BUG(string dtype): Empty sum produces incorrect result Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Strings String extension data type and string data
Backport PR #60795: TST(string dtype): Resolve xfails in pytables IO HDF5 read_hdf, HDFStore Strings String extension data type and string data Testing pandas testing functions or related to the test suite
[backport 2.3.x] TST (string): from_dummies, dropna (#60818) Strings String extension data type and string data
Backport PR #60709: ENH(string dtype): Make str.decode return str dtype Enhancement Strings String extension data type and string data
#60821 by rhshadrach was merged Feb 5, 2025 Loading…
API: ignore empty range/object dtype in Index setop operations (string dtype compat) Index Related to the Index class or subclasses setops union, intersection, difference, symmetric_difference Strings String extension data type and string data
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