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#49275 openedOct 24, 2022 bynoatamir

Open9

FEEDBACK: PyArrow as a required dependency and PyArrow backed...

#54466 openedAug 9, 2023 byphofl

Open154

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BUG: Arugment nan_as_null is unused in __dataframe__ calls. Clean Closing Candidate

May be closeable, needs more eyeballs

Interchange

Dataframe Interchange Protocol

#61025 openedMar 1, 2025 byethandavidlee

3 tasks done

REF: dtype_backend argument in sql module mixes lib.no_default and numpy Clean IO SQL

to_sql, read_sql, read_sql_query

#60326 openedNov 15, 2024 byWillAyd

REF: Replace maybe_infer_to_datimelike with maybe_convert_objects Clean

#60258 openedNov 8, 2024 byWillAyd

DEPR: resample with PeriodIndex Clean Period

Period data type

Resample

resample method

Stale

#58021 openedMar 26, 2024 byjbrockmendel

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5 tasks

STY: is_ci_environment seems like an antipattern CI

Continuous Integration

Clean Testing

pandas testing functions or related to the test suite

#55465 openedOct 9, 2023 byjbrockmendel

TST: Standardize GitHub references Clean Needs Discussion

Requires discussion from core team before further action

Testing

pandas testing functions or related to the test suite

#55461 openedOct 9, 2023 byrhshadrach

CLN: Add is_hashable_non_slice Clean

#55152 openedSep 15, 2023 bylithomas1

DISC: Make all user-facing dtypes ExtensionDtype API Design Clean ExtensionArray

Extending pandas with custom dtypes or arrays.

PDEP missing values

Issues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint

Refactor

Internal refactoring of code

#53778 openedJun 21, 2023 byjbrockmendel

CLN remove exception catching in string_to_dts Clean

#50515 openedDec 31, 2022 byMarcoGorelli

CLN: Use dedup_names in all instances where duplicate column names are renamed Clean good first issue IO HTML

read_html, to_html, Styler.apply, Styler.applymap

#50371 openedDec 21, 2022 bydatapythonista

TST: Cleanup tests from numeric_only / nuisance deprecation Clean Nuisance Columns

Identifying/Dropping nuisance columns in reductions, groupby.add, DataFrame.apply

Testing

pandas testing functions or related to the test suite

#50133 openedDec 8, 2022 byrhshadrach

BUG: Validate All Py_* Functions in C Extensions check for NULL Clean

#49756 openedNov 17, 2022 byWillAyd

BUG/CLN: Vendored ujson Module Bug Clean IO JSON

read_json, to_json, json_normalize

#49604 openedNov 9, 2022 bylithomas1

DOC/CLN:how is completely inconsistent Clean Docs Needs Discussion

Requires discussion from core team before further action

#49132 openedOct 16, 2022 bybashtage

3 tasks done

CLN/DOC: _selected_obj vs _obj_with_exclusions Clean Groupby

#46944 openedMay 4, 2022 byjbrockmendel

REF: Unify creation of dataframe for C and Python parser engines Clean IO CSV

read_csv, to_csv

Refactor

Internal refactoring of code

#43135 openedAug 20, 2021 bylithomas1

REF: Make function for dtype casting in pre-processing of groupby Clean Groupby Refactor

Internal refactoring of code

Resample

resample method

#37505 openedOct 29, 2020 byphofl

TYPING: Unreachable code Clean Typing

type annotations, mypy/pyright type checking

#27396 openedJul 15, 2019 bysimonjayhawkins

REF/CLN: ops boilerplate Clean Internals

Related to non-user accessible pandas implementation

Numeric Operations

Arithmetic, Comparison, and Logical operations

Refactor

Internal refactoring of code

#23853 openedNov 22, 2018 byjbrockmendel

2 of 4 tasks

CLN: remove fastpath & verify_integrity from constructors Clean Constructors

Series/DataFrame/Index/pd.array Constructors

Deprecate

Functionality to remove in pandas

#20110 openedMar 10, 2018 byjreback

3 of 6 tasks

CLN: remove need for assert_matching in pandas/tests/indexes/test_multi.py Clean MultiIndex Testing

pandas testing functions or related to the test suite

#19105 openedJan 6, 2018 byjreback

API/CLN: timeseries plotting API Design Clean Needs Discussion

Requires discussion from core team before further action

Visualization

plotting

#15071 openedJan 5, 2017 byjorisvandenbossche

CLN/API: implemented to_html in terms of .style API Design Clean IO HTML

read_html, to_html, Styler.apply, Styler.applymap

Output-Formatting

__repr__ of pandas objects, to_string

Styler

conditional formatting using DataFrame.style

#11700 openedNov 25, 2015 byjreback

ProTip! Updated in the last three days:updated:>2025-05-20.

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