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Pull requests: pandas-dev/pandas
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PDEP-11: Change default of dropna to False Deprecate Functionality to remove in pandas Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate PDEP pandas enhancement proposal Stale
#53094 by rhshadrach was closed Jun 8, 2025 Loading…
ENH: Be able to add lines for all index levels, not just visible ones [fix #59877] Stale Styler conditional formatting using DataFrame.style
#59916 by edbennett was closed Apr 2, 2025 Loading…
5 tasks done
API: add EA._from_scalars / stricter casting of result values back to EA dtype API Design ExtensionArray Extending pandas with custom dtypes or arrays. Stale
#38315 by jorisvandenbossche was closed Feb 22, 2023 • Draft
2 tasks
REG: fix regression in df.corrwith on tied data when method is spearman Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Regression Functionality that used to work in a prior pandas version Stale
ENH: Add axis argument to Dataframe.corr Enhancement Numeric Operations Arithmetic, Comparison, and Logical operations Stale
ENH/BUG: implement __iter__ for IntegerArray so conversions (to_dict, tolist, etc.) return python native types Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Stale
#37377 by arw2019 was closed Feb 11, 2021 Loading…
5 of 6 tasks
ENH:column-wise DataFrame.fillna and duplicated DataFrame.fillna with Series and Dict Enhancement Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Stale
#30922 by proost was closed Dec 8, 2020 Loading…
5 tasks done
Fix/26837 format array ExtensionArray Extending pandas with custom dtypes or arrays. Output-Formatting __repr__ of pandas objects, to_string Refactor Internal refactoring of code Stale
#44527 by TomAugspurger was closed Mar 6, 2022 Loading…
4 tasks done
BUG: pd.DataFrame.from_records() raises a KeyError if passed a string index and an empty iterable Bug Constructors Series/DataFrame/Index/pd.array Constructors Stale
#47319 by Kelvingandhi was closed Sep 21, 2022 Loading…
5 tasks done
BUG: resample method Stale
groupby then resample on column gives incorrect results if the index is out of order Bug Groupby Resample #59408 by aram-cedarwood was closed Apr 15, 2025 Loading…
4 of 5 tasks
[#38390] Bug fix for Datetime64Formatter with values of ndim > 1 ExtensionArray Extending pandas with custom dtypes or arrays. Output-Formatting __repr__ of pandas objects, to_string Stale
#38391 by BryanCutler was closed Mar 9, 2021 Loading…
5 tasks done
ENH: Add typing tests according to the issue 45252 Stale Typing type annotations, mypy/pyright type checking
#45594 by zkrolikowski-vl was closed May 5, 2022 Loading…
3 of 4 tasks
BUG: support non-nanos Timedelta objects in Python C API Stale
#55213 by BenjaminHelyer was closed Nov 3, 2023 Loading…
5 tasks done
DEPR: Remove unnecessary kwargs in groupby ops Deprecate Functionality to remove in pandas Groupby Stale
#50483 by ramvikrams was closed Feb 11, 2023 Loading…
2 of 5 tasks
BUG: datetime64/timedelta64 with non-nanosecond resolution Reshaping Concat, Merge/Join, Stack/Unstack, Explode Stale
pd.concat dataframes with different datetime64 resolutions Non-Nano BUG: Fixed DataFrame.__repr__ Type Error when column dtype is np.record (GH 48526) Nested Data Data where the values are collections (lists, sets, dicts, objects, etc.). Output-Formatting __repr__ of pandas objects, to_string Stale
CoW: Use weakref callbacks to track dead references Regression Functionality that used to work in a prior pandas version Stale
#55539 by wangwillian0 was closed Aug 19, 2024 Loading…
4 of 5 tasks
BUG: Cannot create third-party ExtensionArrays for datetime types (xfail) ExtensionArray Extending pandas with custom dtypes or arrays. Stale
ENH: Read and write pandas attrs to parquet with pyarrow engine Enhancement IO Parquet parquet, feather Stale
#41545 by snowman2 was closed Jul 8, 2021 Loading…
4 tasks done
BUG: json_normalize raises boardcasting error with list-like metadata IO JSON read_json, to_json, json_normalize Stale
#47708 by GYHHAHA was closed Oct 24, 2022 Loading…
4 of 6 tasks
BUG: Assignment of pyarrow arrays yield unexpected dtypes Stale
#58601 by droussea2001 was closed Jun 2, 2025 Loading…
4 tasks done
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