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Pull requests list

BUG: Take method of NumpyExtensionArray now returns another extension array with the correct dtype. Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug ExtensionArray Extending pandas with custom dtypes or arrays.
#62502 by aijams was merged Nov 16, 2025 Loading…
5 tasks done
17
BUG: .describe() doesn't work for EAs #61707 Bug ExtensionArray Extending pandas with custom dtypes or arrays.
#61910 by kernelism was closed Oct 5, 2025 Loading…
5 tasks done
1
5
BUG: Raise ValueError on integer indexers containing NA; skip test for unsupported EAs(#56727) Bug ExtensionArray Extending pandas with custom dtypes or arrays. Stale Testing pandas testing functions or related to the test suite
#61465 by pelagiavlas was closed Oct 5, 2025 Loading…
5 tasks done
1
3
Backport PR #61085 on branch 2.3.x (DEPS: Update NumpyExtensionArray repr for NEP51) ExtensionArray Extending pandas with custom dtypes or arrays. Output-Formatting __repr__ of pandas objects, to_string
#61107 by meeseeksmachine was merged Mar 12, 2025 Loading… 2.3
Support structural subtyping with ExtensionArray ExtensionArray Extending pandas with custom dtypes or arrays.
#57634 by WillAyd was closed Mar 19, 2024 • Draft
1 task done
1
7
TST: Fix setitem parametrizations ExtensionArray Extending pandas with custom dtypes or arrays. Stale Testing pandas testing functions or related to the test suite
#56890 by lopof was closed Apr 9, 2024 Loading…
3 of 4 tasks
1
8
ENH: add NDArrayBackedExtensionArray to public API API Design ExtensionArray Extending pandas with custom dtypes or arrays. Stale
#56755 by andrewgsavage was closed Oct 29, 2024 Loading…
5 tasks
18
Backport PR #56616 on branch 2.2.x (BUG: Add limit_area to EA ffill/bfill) Bug ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#56720 by meeseeksmachine was merged Jan 3, 2024 Loading… 2.2
Backport PR #55347 on branch 2.1.x (BUG: interpolate raising wrong error for ea) ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#55382 by phofl was merged Oct 4, 2023 Loading… 2.1.2
Add TODO note to BlockManager.fast_xs for EA dtypes ExtensionArray Extending pandas with custom dtypes or arrays.
#55039 by lukemanley was merged Sep 8, 2023 Loading… 2.2
1
ENH: Move factorizing for merge to EA interface ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode Stale
#54975 by phofl was closed Apr 23, 2024 Loading…
5 tasks
43
Revert "REF: remove unnecessary na_value fixture" ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
#54930 by jorisvandenbossche was merged Nov 20, 2023 Loading… 2.2
13
Backport PR #54838 on branch 2.1.x (Don't expose EA.pad_or_backfill to users + switch to DeprecationWarning) ExtensionArray Extending pandas with custom dtypes or arrays.
#54851 by meeseeksmachine was merged Aug 29, 2023 Loading… 2.1
Backport PR #54800 on branch 2.1.x (ExtensionArray.fillna: start with DeprecationWarning about added copy keyword) ExtensionArray Extending pandas with custom dtypes or arrays.
#54812 by meeseeksmachine was merged Aug 28, 2023 Loading… 2.1
Backport PR #54721 on branch 2.1.x (BUG/WARN: Passing EA object to dtype instead of an instance) ExtensionArray Extending pandas with custom dtypes or arrays. Warnings Warnings that appear or should be added to pandas
#54726 by meeseeksmachine was merged Aug 24, 2023 Loading… 2.1
Backport PR #54508 on branch 2.1.x (PERF: DataFrame.iloc[int] for EA dtypes) ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves Performance Memory or execution speed performance
#54700 by meeseeksmachine was merged Aug 23, 2023 Loading… 2.1
BUG: _validate_setitem_value fails to raise for PandasArray #51044 Error Reporting Incorrect or improved errors from pandas ExtensionArray Extending pandas with custom dtypes or arrays. Stale
#54575 by ArchPh03nix was closed Oct 12, 2023 Loading…
2 of 5 tasks
1
16
Backport PR #54341 on branch 2.1.x (PERF: axis=1 reductions with EA dtypes) ExtensionArray Extending pandas with custom dtypes or arrays. Performance Memory or execution speed performance Reduction Operations sum, mean, min, max, etc.
#54528 by meeseeksmachine was merged Aug 13, 2023 Loading… 2.1
Backport PR #54509 on branch 2.1.x (PERF: Dataframe reductions with EA dtypes) ExtensionArray Extending pandas with custom dtypes or arrays. Performance Memory or execution speed performance Reduction Operations sum, mean, min, max, etc.
#54514 by meeseeksmachine was merged Aug 12, 2023 Loading… 2.1
REF: simplify extension reduction tests ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
#54394 by jbrockmendel was merged Aug 4, 2023 Loading…
1 of 5 tasks
2.1
1
5
BUG: melt with extension dtype column ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#54297 by mroeschke was merged Jul 31, 2023 Loading…
3 tasks done
2.1
2
ENH: EA.fillna copy=True ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#53728 by jbrockmendel was merged Jul 26, 2023 Loading…
5 tasks
2.1
22
Use _values_for_factorize by default for hashing ExtensionArrays ExtensionArray Extending pandas with custom dtypes or arrays.
#53475 by jorisvandenbossche was merged Jun 19, 2023 Loading… 2.1
6
ENH: EADtype._find_compatible_dtype ExtensionArray Extending pandas with custom dtypes or arrays. setitem-with-expansion Stale
#53106 by jbrockmendel was closed Jan 10, 2024 Loading…
6 of 7 tasks
4
19
ENH: EA._from_scalars Enhancement ExtensionArray Extending pandas with custom dtypes or arrays.
#53089 by jbrockmendel was merged Oct 16, 2023 Loading…
5 tasks done
3
10
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