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Pull requests: pandas-dev/pandas
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BUG: Fix DataFrame.astype(ExtensionDtype) with duplicate column names Bug Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
CLN: small clean-up of IntervalIndex ExtensionArray Extending pandas with custom dtypes or arrays. Interval Interval data type
move PeriodIndex comparisons, implement PeriodArray constructor ExtensionArray Extending pandas with custom dtypes or arrays. Period Period data type
Provide default implementation for Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
data_repated ExtensionArray DOC/API: expose ExtensionArray in public api Docs ExtensionArray Extending pandas with custom dtypes or arrays.
BUG: Fixed Series.align(frame) with ExtensionArray ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reshaping Concat, Merge/Join, Stack/Unstack, Explode
TST: added test for ea dtypes conversion to datetimetzdtype (GH37553) Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite Timezones Timezone data dtype
REF: move EA wrapping/unwrapping to indexes.extensions ExtensionArray Extending pandas with custom dtypes or arrays. Index Related to the Index class or subclasses
REF: implement Categorical._box_func, make _box_func a method ExtensionArray Extending pandas with custom dtypes or arrays. Refactor Internal refactoring of code
Add tests for categorical with null ea as input Categorical Categorical Data Type ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
BUG: unpickling modifies Block.ndim Compat pandas objects compatability with Numpy or Python functions ExtensionArray Extending pandas with custom dtypes or arrays.
BUG: fix memory_usage method with deep of StringArray Bug ExtensionArray Extending pandas with custom dtypes or arrays.
REF: convert_dtypes return dtype objects Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
remove eadata ExtensionArray Extending pandas with custom dtypes or arrays. Internals Related to non-user accessible pandas implementation
CLN: remove values attribute from datetimelike EAs ExtensionArray Extending pandas with custom dtypes or arrays.
BUG: Series.replace(method='pad') with EA dtypes Bug ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
REF: share more EA methods ExtensionArray Extending pandas with custom dtypes or arrays. Refactor Internal refactoring of code
TST: Add Series.update ExtensionArray tests ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
Move methods and properties to EA Mixin classes Datetime Datetime data dtype ExtensionArray Extending pandas with custom dtypes or arrays.
TST: Adding test to concat where copy=False for ExtensionArrays ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
REF: share code for set-like ops in DTI/TDI/PI ExtensionArray Extending pandas with custom dtypes or arrays. Refactor Internal refactoring of code
REF: share delete, putmask, insert between ndarray-backed EA indexes ExtensionArray Extending pandas with custom dtypes or arrays. Index Related to the Index class or subclasses Refactor Internal refactoring of code
BUG: Make DTI/TDI/PI argsort match their underlying arrays API - Consistency Internal Consistency of API/Behavior ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode
[#33770] bug fix to prevent ExtensionArrays from crashing Series.__repr__() Bug ExtensionArray Extending pandas with custom dtypes or arrays. Output-Formatting __repr__ of pandas objects, to_string
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