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String dtype: backwards compatibility of selecting "object" vs "str" columns in <code>select_dtypes</code>

StringsString extension data type and string dataString extension data type and string data

Status: Open.

#61916 In pandas-dev/pandas;

· jorisvandenbossche opened on Jul 21, 2025

· 

3.0

DOC (string dtype): update user guide page "Working with text data"

Docs

StringsString extension data type and string dataString 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 ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

StringsString extension data type and string dataString extension data type and string data

Void Dtypedtype for no-data casesdtype for no-data cases

Status: Open.

#60159 In pandas-dev/pandas;

· jorisvandenbossche opened on Oct 31, 2024

· 

4.0

PERF: casting to the new String dtype could be faster by leveraging pyarrow

PerformanceMemory or execution speed performanceMemory or execution speed performance

StringsString extension data type and string dataString extension data type and string data

Status: Open.

#56505 In pandas-dev/pandas;

· jorisvandenbossche opened on Dec 14, 2023

TRACKER: new default String dtype (pyarrow-backed, numpy NaN semantics)

API Design

Arrowpyarrow functionalitypyarrow functionality

StringsString extension data type and string dataString extension data type and string data

Status: Open.

#54792 In pandas-dev/pandas;

· jorisvandenbossche opened on Aug 28, 2023

· 

3.0

ArrowStringArray: delay/conditionally import pyarrow.compute

Bug

Closing CandidateMay be closeable, needs more eyeballsMay be closeable, needs more eyeballs

Compatpandas objects compatability with Numpy or Python functionspandas objects compatability with Numpy or Python functions

StringsString extension data type and string dataString extension data type and string data

Status: Open.

#42863 In pandas-dev/pandas;

· jorisvandenbossche opened on Aug 3, 2021