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Pull requests list

DataFrame.convert_dtypes doesn't preserve subclasses Compat pandas objects compatability with Numpy or Python functions Constructors Series/DataFrame/Index/pd.array Constructors Subclassing Subclassing pandas objects
#44249 by m-richards was merged Nov 13, 2021 Loading… updated Sep 16, 2023
4 tasks done
1.4
1
10
Bug in Series constructor returning wrong missing values Constructors Series/DataFrame/Index/pd.array Constructors Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Series Series data structure
#43026 by phofl was merged Aug 19, 2021 Loading… updated Apr 1, 2022
5 tasks done
1.4
1
8
BUG: DataFrame(dict_of_series) raising depending on order of dict Constructors Series/DataFrame/Index/pd.array Constructors Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#45018 by jbrockmendel was merged Dec 29, 2021 Loading… updated Dec 29, 2021
4 tasks done
1.4
1
12
BUG: Fix setitem with 1d matrix Constructors Series/DataFrame/Index/pd.array Constructors
#44669 by ivirshup was merged Dec 14, 2021 Loading… updated Dec 14, 2021
4 tasks done
1.4
1
20
DOC: erroneous initialization of a DataFrame with Series objects #42818 Constructors Series/DataFrame/Index/pd.array Constructors Docs
#42960 by tyuyoshi was merged Sep 8, 2021 Loading… updated Sep 8, 2021
4 tasks
1.4
1
5
Fix len one list dataframe constructor bug for datetime Constructors Series/DataFrame/Index/pd.array Constructors DataFrame DataFrame data structure Regression Functionality that used to work in a prior pandas version
#43041 by phofl was merged Aug 17, 2021 Loading… updated Aug 17, 2021
4 tasks done
1.3.3
1
6
DOC: NumericIndex Constructors Series/DataFrame/Index/pd.array Constructors Docs Index Related to the Index class or subclasses
#42706 by topper-123 was merged Aug 13, 2021 Loading… updated Aug 13, 2021
1 task done
1.4
1
7
ENH: NumericIndex for any numpy int/uint/float dtype Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions Enhancement Index Related to the Index class or subclasses
#41153 by topper-123 was merged Aug 5, 2021 Loading… updated Aug 7, 2021
4 tasks done
1.4
1
164
PERF: DataFrame construction Constructors Series/DataFrame/Index/pd.array Constructors Performance Memory or execution speed performance
#42631 by jbrockmendel was merged Jul 23, 2021 Loading… updated Jul 24, 2021 1.4
4
PERF/REGR: revert #41785 Constructors Series/DataFrame/Index/pd.array Constructors Performance Memory or execution speed performance
#42338 by jbrockmendel was merged Jul 8, 2021 Loading… updated Jul 13, 2021
3 of 4 tasks
1.3.1
1
10
REF: simplify indexes.base._maybe_cast_data_without_dtype Constructors Series/DataFrame/Index/pd.array Constructors Index Related to the Index class or subclasses Refactor Internal refactoring of code
#41881 by jbrockmendel was merged Jun 10, 2021 Loading… updated Jun 10, 2021
4 tasks
1.3
2
DEPR: datetimelike inference with strings API - Consistency Internal Consistency of API/Behavior Constructors Series/DataFrame/Index/pd.array Constructors Deprecate Functionality to remove in pandas Dtype Conversions Unexpected or buggy dtype conversions
#41731 by jbrockmendel was merged Jun 1, 2021 Loading… updated Jun 1, 2021
4 tasks done
1.3
1
3
DEPR: Series(dt64naive, dtype=dt64tz) -> will match DatetimeIndex API - Consistency Internal Consistency of API/Behavior Constructors Series/DataFrame/Index/pd.array Constructors Deprecate Functionality to remove in pandas Timezones Timezone data dtype
#41662 by jbrockmendel was merged May 31, 2021 Loading… updated May 31, 2021
3 of 4 tasks
1.3
2
REF: re-use sanitize_array in DataFrame._sanitize_columns Constructors Series/DataFrame/Index/pd.array Constructors Refactor Internal refactoring of code
#41611 by jbrockmendel was merged May 26, 2021 Loading… updated May 26, 2021
4 tasks
1.3
2
BUG: Series(range_obj_outside_i8_bounds) Bug Constructors Series/DataFrame/Index/pd.array Constructors
#41579 by jbrockmendel was merged May 24, 2021 Loading… updated May 24, 2021
4 tasks done
1.3
1
7
REF: _try_cast; go through fastpath more often Constructors Series/DataFrame/Index/pd.array Constructors Performance Memory or execution speed performance Series Series data structure
#41597 by jbrockmendel was merged May 22, 2021 Loading… updated May 22, 2021
2 of 4 tasks
1.3
1
4
DOC: Add clearer info when copy is False but memory shared only for certain objects Constructors Series/DataFrame/Index/pd.array Constructors Copy / view semantics Docs
#41514 by mdhsieh was merged May 21, 2021 Loading… updated May 21, 2021
4 tasks
1.3
1
21
BUG: constructing DTA/TDA from xarray/dask/pandasarray Bug Constructors Series/DataFrame/Index/pd.array Constructors Datetime Datetime data dtype ExtensionArray Extending pandas with custom dtypes or arrays.
#40210 by jbrockmendel was merged Mar 16, 2021 Loading… updated Mar 16, 2021
4 of 5 tasks
1.3
2
3
TYP: internals.construction Constructors Series/DataFrame/Index/pd.array Constructors Typing type annotations, mypy/pyright type checking
#40154 by jbrockmendel was merged Mar 3, 2021 Loading… updated Mar 3, 2021
4 tasks
1.3
13
[ArrayManager] DataFrame constructors Constructors Series/DataFrame/Index/pd.array Constructors Internals Related to non-user accessible pandas implementation Refactor Internal refactoring of code
#39991 by jorisvandenbossche was merged Mar 3, 2021 Loading… updated Mar 3, 2021 1.3
41
REF: shallow_copy->simple_new/rename Constructors Series/DataFrame/Index/pd.array Constructors Index Related to the Index class or subclasses
#39444 by jbrockmendel was merged Jan 28, 2021 Loading… updated Jan 28, 2021 1.3
6
BUG: Series(list_of_tuples, dtype=PandasDtype(object)) Bug Constructors Series/DataFrame/Index/pd.array Constructors
#39357 by jbrockmendel was merged Jan 25, 2021 Loading… updated Jan 25, 2021
2 of 4 tasks
1.3
3
BUG: DataFrame(ndarray, dtype=categoricaldtype) Categorical Categorical Data Type Constructors Series/DataFrame/Index/pd.array Constructors
#38857 by jbrockmendel was merged Jan 2, 2021 Loading… updated Jan 2, 2021
4 of 5 tasks
1.3
6
REF: Index.__new__ Constructors Series/DataFrame/Index/pd.array Constructors Index Related to the Index class or subclasses Refactor Internal refactoring of code
#38665 by jbrockmendel was merged Dec 29, 2020 Loading… updated Dec 29, 2020 1.3
9
BUG: disallow scalar in Categorical constructor Categorical Categorical Data Type Constructors Series/DataFrame/Index/pd.array Constructors Deprecate Functionality to remove in pandas
#38472 by jbrockmendel was merged Dec 23, 2020 Loading… updated Dec 23, 2020
5 tasks done
1.3
1
6
ProTip! Updated in the last three days: updated:>2025-11-27.