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#49275 ·
noatamir
opened
on Oct 24, 2022
9
FEEDBACK: PyArrow as a required dependency and PyArrow backed strings
#54466 ·
phofl
opened
on Aug 9, 2023
161
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Strings
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Open
Closed
BUG: str.match and str.contains behave inconsistently on compiled regexps (regression in 2.3.2 relative to 2.3.1)
API - Consistency
Internal Consistency of API/Behavior
Internal Consistency of API/Behavior
Bug
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#62240
In pandas-dev/pandas;
·
sam-s
opened
on Sep 2, 2025
·
3.0
REF/API: Move ArrowDtype(pa.foo_string()) into StringDtype(...)
API Design
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#62129
In pandas-dev/pandas;
·
jbrockmendel
opened
on Aug 16, 2025
BUG: <code>pd.api.types.is_string_dtype()</code> returns inconsistent results for Categorical series vs dtype
Bug
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#62109
In pandas-dev/pandas;
·
nsarang
opened
on Aug 14, 2025
BUG: <code>metadata</code> on <code>np.ndarray</code> of <code>np.dtype("O")</code> dtype lost when roundtripped through <code>pandas.Series</code>
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#61938
In pandas-dev/pandas;
·
ilan-gold
opened
on Jul 24, 2025
String dtype: backwards compatibility of selecting "object" vs "str" columns in <code>select_dtypes</code>
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#61916
In pandas-dev/pandas;
·
jorisvandenbossche
opened
on Jul 21, 2025
·
3.0
BUG: Passing string[pyarrow] to the dtype parameter of e.g. csv_read() does produce a string type Series
Arrow
pyarrow functionality
pyarrow functionality
Dtype Conversions
Unexpected or buggy dtype conversions
Unexpected or buggy dtype conversions
IO CSV
read_csv, to_csv
read_csv, to_csv
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#61496
In pandas-dev/pandas;
·
ClauPet
opened
on May 26, 2025
BUG: documented usage of of <code>str.split(...).str.get</code> fails on dtype <code>large_string[pyarrow]</code>
Bug
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#61431
In pandas-dev/pandas;
·
SandroCasagrande
opened
on May 12, 2025
BUG(string dtype): Arithmetic operations between Series with string dtype index
API - Consistency
Internal Consistency of API/Behavior
Internal Consistency of API/Behavior
Bug
Needs Discussion
Requires discussion from core team before further action
Requires discussion from core team before further action
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#61425
In pandas-dev/pandas;
·
rhshadrach
opened
on May 10, 2025
BUG: <code>.str.contains()</code> regex lookbehind and lookahead fail for data type <code>string[pyarrow]</code>
Arrow
pyarrow functionality
pyarrow functionality
Bug
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#60833
In pandas-dev/pandas;
·
noahblakesmith
opened
on Feb 3, 2025
DOC (string dtype): update user guide page "Working with text data"
Docs
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#60348
In pandas-dev/pandas;
·
jorisvandenbossche
opened
on Nov 17, 2024
·
3.0
BUG/API: preserve dtype in Index <code>append()</code>
Dtype Conversions
Unexpected or buggy dtype conversions
Unexpected or buggy dtype conversions
Index
Related to the Index class or subclasses
Related to the Index class or subclasses
Strings
String extension data type and string data
String extension data type and string data
Void Dtype
dtype for no-data cases
dtype for no-data cases
Status: Open.
#60159
In pandas-dev/pandas;
·
jorisvandenbossche
opened
on Oct 31, 2024
·
4.0
BUG: <code>str.split("")</code> gives extra leading and trailing elements
Bug
Closing Candidate
May be closeable, needs more eyeballs
May be closeable, needs more eyeballs
Strings
String extension data type and string data
String extension data type and string data
Status: Open.
#60065
In pandas-dev/pandas;
·
NickCrews
opened
on Oct 17, 2024
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