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BUG: make to_json with JSON Table Schema work correctly with string dtype

Bug

IO JSONread_json, to_json, json_normalizeread_json, to_json, json_normalize

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

Status: Closed (completed).

#61889 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 26, 2025

BUG: Replacement fails after NA value with PyArrow-backed strings

Arrowpyarrow functionalitypyarrow functionality

Bug

replacereplace methodreplace method

Status: Closed (completed).

#61948 In pandas-dev/pandas;

· by rhshadrach was closed on Jul 25, 2025

BUG (string dtype): logical operation with bool and string failing

Bug

Numeric OperationsArithmetic, Comparison, and Logical operationsArithmetic, Comparison, and Logical operations

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

Status: Closed (completed).

#60234 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 29, 2025

BUG: Using <code>Series.str.contains()</code> with a compiled regex and arrow strings fails

Arrowpyarrow functionalitypyarrow functionality

Bug

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

Status: Closed (completed).

#61942 In pandas-dev/pandas;

· by Dr-Irv was closed on Aug 14, 2025

BUG: Using <code>Series.str.fullmatch()</code> and <code>Series.str.match()</code> with a compiled regex fails with arrow strings

Arrowpyarrow functionalitypyarrow functionality

Bug

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

Status: Closed (completed).

#61952 In pandas-dev/pandas;

· by Dr-Irv was closed on Aug 14, 2025

unpin scipy since statsmodels was fixed

DependenciesRequired and optional dependenciesRequired and optional dependencies

Status: Merged (completed).

pandas-dev/pandasnumber 61933

#61933 In pandas-dev/pandas;

· by Dr-Irv was closed on Jul 24, 2025

Backport PR #61933 on branch 2.3.x (unpin scipy since statsmodels was fixed)

DependenciesRequired and optional dependenciesRequired and optional dependencies

Status: Merged (completed).

pandas-dev/pandasnumber 61934

#61934 In pandas-dev/pandas;

· by Dr-Irv was closed on Jul 24, 2025

DOC: explicitly mention new str dtype is no longer a numpy dtype in migration guide

Docs

Status: Merged (completed).

pandas-dev/pandasnumber 61921

#61921 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 26, 2025

Backport PR #61921 on branch 2.3.x (DOC: explicitly mention new str dtype is no longer a numpy dtype in migration guide)

Docs

Status: Merged (completed).

pandas-dev/pandasnumber 61961

#61961 In pandas-dev/pandas;

· by meeseeksmachine was closed on Jul 26, 2025

DOC: Add release notes template for 2.3.2

Docs

Status: Merged (completed).

pandas-dev/pandasnumber 61958

#61958 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 26, 2025

Backport PR #61958 on branch 2.3.x (DOC: Add release notes template for 2.3.2)

Docs

Status: Merged (completed).

pandas-dev/pandasnumber 61959

#61959 In pandas-dev/pandas;

· by meeseeksmachine was closed on Jul 26, 2025

BUG: fix fill value for gouped sum in case of unobserved categories for string dtype (empty string instead of 0)

Bug

Groupby

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

Status: Merged (completed).

pandas-dev/pandasnumber 61909

#61909 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 22, 2025

[backport 2.3.x] BUG: fix to_json() with JSON Table Schema work correctly with string dtype (#61900)

Status: Merged (completed).

pandas-dev/pandasnumber 61965

#61965 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 26, 2025

Output formatting: preserve quoting for string categories

CategoricalCategorical Data TypeCategorical Data Type

Output-Formatting__repr__ of pandas objects, to_string__repr__ of pandas objects, to_string

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

Status: Merged (completed).

pandas-dev/pandasnumber 61891

#61891 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 25, 2025

BUG: fix to_json() with JSON Table Schema work correctly with string dtype

Bug

IO JSONread_json, to_json, json_normalizeread_json, to_json, json_normalize

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

Status: Merged (completed).

pandas-dev/pandasnumber 61900

#61900 In pandas-dev/pandas;

· by khemkaran10 was closed on Jul 26, 2025

[backport 2.3.x] Output formatting: preserve quoting for string categories (#61891)

Status: Merged (completed).

pandas-dev/pandasnumber 61966

#61966 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 26, 2025

[backport 2.3.x] BUG(CoW): also raise for chained assignment for .at / .iat (#62074)

Status: Merged (completed).

pandas-dev/pandasnumber 62115

#62115 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 15, 2025

CI/BLD: don't use strict xfail for '%m.%Y' format in test_hypothesis_delimited_date

BuildLibrary building on various platformsLibrary building on various platforms

Status: Merged (completed).

pandas-dev/pandasnumber 62124

#62124 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 15, 2025

BUG(CoW): also raise for chained assignment for .at / .iat

Copy / view semantics

Status: Merged (completed).

pandas-dev/pandasnumber 62074

#62074 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 8, 2025

BUG: fix Series.str.fullmatch() and Series.str.match() with a compiled regex failing with arrow strings

Arrowpyarrow functionalitypyarrow functionality

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

Status: Merged (completed).

pandas-dev/pandasnumber 61964

#61964 In pandas-dev/pandas;

· by khemkaran10 was closed on Aug 14, 2025

BUG/DEPR: logical operation with bool and string

Numeric OperationsArithmetic, Comparison, and Logical operationsArithmetic, Comparison, and Logical operations

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

Status: Merged (completed).

pandas-dev/pandasnumber 61995

#61995 In pandas-dev/pandas;

· by jbrockmendel was closed on Jul 29, 2025

[backport 2.3.x] BUG: fix Series.str.fullmatch() and Series.str.match() with a compiled regex failing with arrow strings (#61964)

Status: Merged (completed).

pandas-dev/pandasnumber 62113

#62113 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 15, 2025

BUG: Fix Series.str.contains with compiled regex on Arrow string dtype

Arrowpyarrow functionalitypyarrow functionality

Bug

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

Status: Merged (completed).

pandas-dev/pandasnumber 61946

#61946 In pandas-dev/pandas;

· by Aniketsy was closed on Aug 14, 2025

[backport 2.3.x] BUG: Fix Series.str.contains with compiled regex on Arrow string dtype (#61946)

Status: Merged (completed).

pandas-dev/pandasnumber 62116

#62116 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Aug 15, 2025

Backport PR #62124 on branch 2.3.x (CI/BLD: don't use strict xfail for '%m.%Y' format in test_hypothesis_delimited_date)

BuildLibrary building on various platformsLibrary building on various platforms

Status: Merged (completed).

pandas-dev/pandasnumber 62128

#62128 In pandas-dev/pandas;

· by meeseeksmachine was closed on Aug 15, 2025