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TST (string dtype): clean-up assorted xfails Stale Strings String extension data type and string data
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
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
ENH(string dtype): Implement cumsum for Python-backed strings 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
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
ENH(string dtype): fallback for HDF5 with UTF-8 surrogates IO HDF5 read_hdf, HDFStore 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
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
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
TST (string dtype): resolve skip in misc test_memory_usage Strings String extension data type and string data
DOC: add pandas 3.0 migration guide for the string dtype Docs Strings String extension data type and string data
Backport PR #61705 on branch 2.3.x (DOC: add pandas 3.0 migration guide for the string dtype) Docs Strings String extension data type and string data
Backport PR #61770 on branch 2.3.x (BUG: Fix unpickling of string dtypes of legacy pandas versions) Bug IO Pickle read_pickle, to_pickle Strings String extension data type and string data
BUG[string]: incorrect index downcast in DataFrame.join 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
TST(string dtype): Resolve xfails in test_from_dummies Docs Reshaping Concat, Merge/Join, Stack/Unstack, Explode Strings String extension data type and string data Testing pandas testing functions or related to the test suite
DOC: fix doctests for string dtype changes (top-level) Docs Strings String extension data type and string data
DOC: fix doctests for datetimelike.py files for the new string dtype Docs Strings String extension data type and string data
CI: properly enable the string dtype also for custom CI builds CI Continuous Integration Strings String extension data type and string data
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