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Issues list

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
DataFrame.sort_values(inplace=True) is slow and eats too much memory Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff inplace Relating to inplace parameter or equivalent Performance Memory or execution speed performance
#15389 opened Feb 14, 2017 by liori
Inconsistent behavior for df.replace() with NaN, NaT and None Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate replace replace method
#29024 opened Oct 16, 2019 by K3UL
BUG: Date objects cannot be compared against a DatetimeIndex Bug datetime.date stdlib datetime.date support Datetime Datetime data dtype Index Related to the Index class or subclasses Regression Functionality that used to work in a prior pandas version
#35466 opened Jul 29, 2020 by knabben
2 of 3 tasks
Aliases for column names Enhancement Indexing Related to indexing on series/frames, not to indexes themselves Needs Discussion Requires discussion from core team before further action
#11723 opened Nov 30, 2015 by bbirand
TRACKER: new default String dtype (pyarrow-backed, numpy NaN semantics) API Design Arrow pyarrow functionality Strings String extension data type and string data
#54792 opened Aug 28, 2023 by jorisvandenbossche
29 of 41 tasks
3.0
ENH: add errors='coerce' to DataFrame.astype Dtype Conversions Unexpected or buggy dtype conversions Enhancement
#48781 opened Sep 26, 2022 by joooeey
1 of 3 tasks
BUG: Incorrect rolling std Bug Window rolling, ewma, expanding
#54518 opened Aug 12, 2023 by ChiQiao
2 of 3 tasks
Shared Benchmark suite for Pandas-like projects Benchmark Performance (ASV) benchmarks Performance Memory or execution speed performance
#19988 opened Mar 5, 2018 by mrocklin
Uniform file IO API and consolidated codebase API - Consistency Internal Consistency of API/Behavior Enhancement IO Data IO issues that don't fit into a more specific label Refactor Internal refactoring of code
#15008 opened Dec 29, 2016 by dhimmel
25 tasks
BUG: Series.replace with to_replace dict and value=None, nonsensical error message Bug Error Reporting Incorrect or improved errors from pandas replace replace method Series Series data structure
#46004 opened Feb 15, 2022 by d-rams
2 of 3 tasks
ENH: Integration with DuckDB Enhancement IO SQL to_sql, read_sql, read_sql_query
#45678 opened Jan 28, 2022 by pdet
BUG: bootstrap_plot samples without replacement Deprecate Functionality to remove in pandas Needs Discussion Requires discussion from core team before further action Visualization plotting
#45634 opened Jan 26, 2022 by robertclancy
3 tasks done
ENH: Add lsuffix=/rsuffix= kwargs to pd.merge() and df.merge() API - Consistency Internal Consistency of API/Behavior Deprecate Functionality to remove in pandas Enhancement Needs Discussion Requires discussion from core team before further action Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#46046 opened Feb 18, 2022 by wany-oh
ENH: Creating a now Period for a frequency of a multiple unit Enhancement Needs Discussion Requires discussion from core team before further action Period Period data type
#53936 opened Jun 29, 2023 by eumiro
1 of 3 tasks
API: Consolidate groupby as_index and group_keys API Design Groupby Needs Discussion Requires discussion from core team before further action
#49543 opened Nov 5, 2022 by rhshadrach
ENH: Improve assertion message for assert_frame_equal Enhancement Error Reporting Incorrect or improved errors from pandas Testing pandas testing functions or related to the test suite
#39967 opened Feb 22, 2021 by mansenfranzen
API: consider deprecating DataFrame.hist in favor of DataFrame.plot.hist Deprecate Functionality to remove in pandas Visualization plotting
#11053 opened Sep 10, 2015 by shoyer
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