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Pull requests list

API: str.cat will align on Series API Design Strings String extension data type and string data
#20347 by h-vetinari was merged May 2, 2018 Loading…
ENH: str.extractall for several matches Enhancement Strings String extension data type and string data
#11386 by tdhock was closed Feb 9, 2016 Loading… 0.18.0
ENH: Basis for a StringDtype using Arrow ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
#35259 by xhochy was merged Nov 20, 2020 Loading…
4 of 5 tasks
1.2
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
#27949 by TomAugspurger was merged Oct 5, 2019 Loading… 1.0.0
[ArrowStringArray] API: StringDtype parameterized by storage (python or pyarrow) API Design Strings String extension data type and string data
#39908 by simonjayhawkins was merged Jun 8, 2021 Loading…
4 tasks done
1.3
API: Series.str-accessor infers dtype (and Index.str does not raise on all-NA) Strings String extension data type and string data
#23167 by h-vetinari was merged Jun 1, 2019 Loading…
3 tasks done
0.25.0
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
#43199 by shubham11941140 was merged Oct 17, 2021 Loading…
4 tasks done
1.3.4
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…
4 tasks done
CLN/ERR: str.cat internals Clean Error Reporting Incorrect or improved errors from pandas Strings String extension data type and string data
#22725 by h-vetinari was merged Oct 14, 2018 Loading…
3 tasks done
0.24.0
REF: Dispatch string methods to ExtensionArray ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
#36357 by TomAugspurger was merged Sep 30, 2020 Loading… 1.2
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…
5 tasks done
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
#23582 by h-vetinari was merged Nov 28, 2018 Loading…
3 tasks done
0.24.0
API: more permissive conversion to StringDtype ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
#33465 by topper-123 was merged May 26, 2020 Loading…
3 of 5 tasks
1.1
ENH: str.replace accepts a compiled expression Enhancement Strings String extension data type and string data
#15456 by rouzazari was merged Mar 5, 2017 Loading…
4 tasks done
0.20.0
Refactor string methods for StringArray + return IntegerArray for numeric results Performance Memory or execution speed performance Strings String extension data type and string data
#29640 by TomAugspurger was merged Nov 19, 2019 Loading… 1.0.0
BUG: fix str.replace('.','') should replace every character Bug Deprecate Functionality to remove in pandas Strings String extension data type and string data
#24935 by charlesdong1991 was closed Jun 17, 2019 Loading…
4 tasks
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
#21477 by peterpanmj was merged Aug 9, 2018 Loading…
4 tasks done
0.24.0
ENH: add StringMethods (.str accessor) to Index, fixes #9068 API Design Indexing Related to indexing on series/frames, not to indexes themselves Strings String extension data type and string data
#9667 by mortada was merged Apr 10, 2015 Loading… 0.16.1
ENH: added regex argument to Series.str.split Enhancement Strings String extension data type and string data
#44185 by saehuihwang was merged Nov 4, 2021 Loading…
7 tasks done
1.4
ENH: support .strftime for datetimelikes (closes #10086) Datetime Datetime data dtype Enhancement Output-Formatting __repr__ of pandas objects, to_string Strings String extension data type and string data
#10110 by mortada was merged Aug 3, 2015 Loading… 0.17.0
str.replace('.','') should replace every character? (fix) Strings String extension data type and string data
#24809 by alarangeiras was closed Jan 24, 2019 Loading…
TST (string dtype): resolve xfails for frame methods Stale Strings String extension data type and string data
#60336 by WillAyd was closed Apr 21, 2025 Loading… 2.3
DOC: add pandas 3.0 migration guide for the string dtype Docs Strings String extension data type and string data
#61705 by jorisvandenbossche was merged Jul 7, 2025 Loading… 2.3.1
ENH: Add Series.str.casefold Enhancement Strings String extension data type and string data
#25419 by charlesdong1991 was merged Feb 28, 2019 Loading…
4 tasks done
0.25.0
DOC: update str.cat example Docs Strings String extension data type and string data
#23723 by h-vetinari was merged Jan 4, 2019 Loading… 0.24.0
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