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Issues list

FEEDBACK: PyArrow as a required dependency and PyArrow backed strings Arrow pyarrow functionality Community Community topics (meetings, etc.)
#54466 opened Aug 9, 2023 by phofl
155
API: distinguish NA vs NaN in floating dtypes API Design Enhancement Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate NA - MaskedArrays Related to pd.NA and nullable extension arrays PDEP missing values Issues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint
#32265 opened Feb 26, 2020 by jorisvandenbossche
123
API: capabilities of df.set_index Enhancement
#24046 opened Dec 2, 2018 by h-vetinari
2 of 7 tasks
1
80
DISC: Consider not requiring PyArrow in 3.0 Needs Discussion Requires discussion from core team before further action
#57073 opened Jan 25, 2024 by MarcoGorelli
68
ROADMAP: Consistent missing value handling with new NA scalar API Design Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Needs Discussion Requires discussion from core team before further action Roadmap A proposal for the roadmap.
#28095 opened Aug 22, 2019 by jorisvandenbossche
65
API/DEPR: Deprecate inplace parameter API Design Closing Candidate May be closeable, needs more eyeballs Deprecate Functionality to remove in pandas inplace Relating to inplace parameter or equivalent Needs Discussion Requires discussion from core team before further action
#16529 opened May 29, 2017 by gfyoung
1
60
weighted mean Enhancement Reduction Operations sum, mean, min, max, etc. Window rolling, ewma, expanding
#10030 opened Apr 30, 2015 by bgrayburn
2
55
DatetimeIndex::inferred_freq is misleading Enhancement Frequency DateOffsets
#5082 opened Oct 2, 2013 by cancan101
1
53
ENH: Add set of tests to type check the public APIs CI Continuous Integration Enhancement Testing pandas testing functions or related to the test suite Typing type annotations, mypy/pyright type checking
#45252 opened Jan 7, 2022 by Dr-Irv
1
49
Various methods don't call call __finalize__ Bug good first issue metadata _metadata, .attrs
#28283 opened Sep 4, 2019 by TomAugspurger
34 of 38 tasks
@SomtochiUmeh
48
API/ENH: overhaul/unify/improve .unique API Design Enhancement Needs Discussion Requires discussion from core team before further action
#22824 opened Sep 24, 2018 by h-vetinari
6 tasks
45
Set up benchmarks server Benchmark Performance (ASV) benchmarks
#55007 opened Sep 5, 2023 by datapythonista
@DeaMariaLeon
45
API: Define API for pandas plotting backends API Design Needs Discussion Requires discussion from core team before further action Visualization plotting
#26747 opened Jun 9, 2019 by datapythonista
44
ENH: Add decimal parameter to to_numeric Enhancement Numeric Operations Arithmetic, Comparison, and Logical operations
#4674 opened Aug 26, 2013 by cancan101
1
@AlexHodgson
42
API: make the func in Series.apply always operate on the Series Apply Apply, Aggregate, Transform, Map
#52140 opened Mar 23, 2023 by topper-123
42
API: astype mechanism for extension arrays API Design Astype Closing Candidate May be closeable, needs more eyeballs Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Needs Discussion Requires discussion from core team before further action
#22384 opened Aug 16, 2018 by TomAugspurger
41
Please consider using DeprecationWarning rather than FutureWarning for API changes Community Community topics (meetings, etc.) Warnings Warnings that appear or should be added to pandas
#54970 opened Sep 2, 2023 by mwaskom
3 tasks done
1
40
DEPR: pandas/core Deprecate Functionality to remove in pandas
#27522 opened Jul 22, 2019 by jreback
1
40
ENH: cumcount() for DataFrames and Series Enhancement Numeric Operations Arithmetic, Comparison, and Logical operations
#12648 opened Mar 16, 2016 by johne13
39
Moving to PyArrow dtypes by default Arrow pyarrow functionality Needs Discussion Requires discussion from core team before further action
#61618 opened Jun 9, 2025 by datapythonista
39
COMPAT/BLD: rolling failed on Arm64 and ppc64le Linux ARM aarch64 architecture Build Library building on various platforms Window rolling, ewma, expanding
#38921 opened Jan 3, 2021 by fangchenli
38
API: Interpolate at new values Enhancement Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#9340 opened Jan 22, 2015 by rubennj
38
ER: compound dtypes - DataFrame constructor/astype Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions Enhancement
#4464 opened Aug 5, 2013 by mamikonyan
38
ENH: Export (a subset of?) pandas._typing for type checking Enhancement Typing type annotations, mypy/pyright type checking
#55231 opened Sep 21, 2023 by caneff
1 of 3 tasks
38
DOC: Fix docs for various offset constructors Docs Frequency DateOffsets good first issue
#52431 opened Apr 5, 2023 by Dr-Irv
1 task done
@NavaneetthaSundararaj @choudharynishu
@Siniade @sainivas-99 @vinitaparasrampuria @Cadensmith1123 @camacluc
38
ProTip! Updated in the last three days: updated:>2025-06-14.