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Issues list

Update _get_dst_hours Cython annotation when numpy 2.0 is the minium version Compat pandas objects compatability with Numpy or Python functions Internals Related to non-user accessible pandas implementation
#57154 opened Jan 30, 2024 by mroeschke
BUG: prevent overflow in npy_datetimestruct_to_datetime Bug Datetime Datetime data dtype Internals Related to non-user accessible pandas implementation
#55111 opened Sep 12, 2023 by WillAyd
3 tasks done
2
BUG: Index.join different sorting behavior in libjoin faspath Bug Index Related to the Index class or subclasses Internals Related to non-user accessible pandas implementation Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#54646 opened Aug 20, 2023 by jbrockmendel
6
PERF: pandas takes 8-9 seconds to import in a new environment Build Library building on various platforms Internals Related to non-user accessible pandas implementation Performance Memory or execution speed performance
#53488 opened Jun 1, 2023 by pyrito
2 of 3 tasks
9
BUG: Instantiating pandas._libs.parsers.TextReader segfaults Bug Internals Related to non-user accessible pandas implementation IO CSV read_csv, to_csv
#53131 opened May 7, 2023 by JelleZijlstra
2 of 3 tasks
1
BUG: pandas is using absolute from pandas._libs cimport and is shipping broken private .pxd files Bug Internals Related to non-user accessible pandas implementation
#51875 opened Mar 9, 2023 by rgommers
3 tasks done
PERF: cache sorted data in GroupBy? Enhancement Groupby Internals Related to non-user accessible pandas implementation Performance Memory or execution speed performance
#51077 opened Jan 31, 2023 by jbrockmendel
1
@lithomas1
3
BUG: StringArray is a subclass of PandasArray Closing Candidate May be closeable, needs more eyeballs ExtensionArray Extending pandas with custom dtypes or arrays. Internals Related to non-user accessible pandas implementation Strings String extension data type and string data
#48638 opened Sep 19, 2022 by ehsantn
3 tasks done
4
BUG: np_can_hold_element raising for numpy_dtype and ea Series Bug ExtensionArray Extending pandas with custom dtypes or arrays. Internals Related to non-user accessible pandas implementation
#47776 opened Jul 18, 2022 by phofl
3 tasks done
3
BUG: lib.is_all_arraylike should not assume a _data attribute means "array-like". Bug Internals Related to non-user accessible pandas implementation Needs Discussion Requires discussion from core team before further action
#46030 opened Feb 17, 2022 by zpincus
3 tasks done
1
BUG: freq attribute is None after set_index Bug Datetime Datetime data dtype Internals Related to non-user accessible pandas implementation Regression Functionality that used to work in a prior pandas version
#42747 opened Jul 27, 2021 by antvig
2 of 3 tasks
8
DEPR: restrict downstream usage of core.internals Compat pandas objects compatability with Numpy or Python functions Deprecate Functionality to remove in pandas Internals Related to non-user accessible pandas implementation
#40226 opened Mar 4, 2021 by jbrockmendel
8
INT: include NA values in Categorical.categories Categorical Categorical Data Type Internals Related to non-user accessible pandas implementation PDEP missing values Issues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint
#37930 opened Nov 18, 2020 by jbrockmendel
6
Practical steps towards a simplified BlockManager Closing Candidate May be closeable, needs more eyeballs Internals Related to non-user accessible pandas implementation Needs Discussion Requires discussion from core team before further action
#34669 opened Jun 9, 2020 by jorisvandenbossche
7
Support pydata/sparse arrays in DataFrame Closing Candidate May be closeable, needs more eyeballs Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. Internals Related to non-user accessible pandas implementation Needs Discussion Requires discussion from core team before further action Sparse Sparse Data Type
#33182 opened Mar 31, 2020 by TomAugspurger
6
Memory issues with HashTable when resizing Bug Internals Related to non-user accessible pandas implementation
#32907 opened Mar 22, 2020 by Mibu287
2
Use an enum for infer_dtype return values? Internals Related to non-user accessible pandas implementation Refactor Internal refactoring of code
#29868 opened Nov 26, 2019 by TomAugspurger
1
4
VIS: register_matplotlib_converters is exposed through plotting backend Internals Related to non-user accessible pandas implementation Needs Discussion Requires discussion from core team before further action Visualization plotting
#27152 opened Jun 30, 2019 by jorisvandenbossche
2
is_list_like should return false for tuples Bug Docs Internals Related to non-user accessible pandas implementation Nested Data Data where the values are collections (lists, sets, dicts, objects, etc.).
#24702 opened Jan 10, 2019 by toobaz
3
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 opened Nov 22, 2018 by jbrockmendel
2 of 4 tasks
1
2
pandas.dataframe.values floating number changes automatically Bug Internals Related to non-user accessible pandas implementation
#21885 opened Jul 13, 2018 by snowflake01986
7
CLN: Remove counts Argument from Cython GroupBy Aggregations Clean Groupby Internals Related to non-user accessible pandas implementation
#19778 opened Feb 20, 2018 by WillAyd
5
CLN: Refactor Index._validate_names() Index Related to the Index class or subclasses Internals Related to non-user accessible pandas implementation Refactor Internal refactoring of code
#19171 opened Jan 10, 2018 by spacesphere
1
2
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