Search results

API: <code>freq</code> or <code>step</code> for base class Index?

API Design

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

Status: Open.

#62219 In pandas-dev/pandas;

· jbrockmendel opened on Aug 29, 2025

API: indexing dates-with-datetime64

Bug

DatetimeDatetime data dtypeDatetime data dtype

datetime.datestdlib datetime.date supportstdlib datetime.date support

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

Status: Open.

#62158 In pandas-dev/pandas;

· jbrockmendel opened on Aug 20, 2025

BUG: Index[Float64].insert(1, False) casts False to 0

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Status: Open.

#61709 In pandas-dev/pandas;

· jbrockmendel opened on Jun 26, 2025

API: dt64 resolution for PeriodIndex.to_timestamp

API - ConsistencyInternal Consistency of API/BehaviorInternal Consistency of API/Behavior

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

PeriodPeriod data typePeriod data type

Timestamppd.Timestamp and associated methodspd.Timestamp and associated methods

Status: Open.

#56164 In pandas-dev/pandas;

· jbrockmendel opened on Nov 25, 2023

DEPR: DatetimeIndex/TimedeltaIndex constructor keywords

API Design

DatetimeDatetime data dtypeDatetime data dtype

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Status: Open.

#55499 In pandas-dev/pandas;

· jbrockmendel opened on Oct 12, 2023

BUG/TST: can_use_libjoin exclude CategoricalDtype?

Bug

CategoricalCategorical Data TypeCategorical Data Type

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Status: Open.

#55335 In pandas-dev/pandas;

· jbrockmendel opened on Sep 30, 2023

BUG: Index.join different sorting behavior in libjoin faspath

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Status: Open.

#54646 In pandas-dev/pandas;

· jbrockmendel opened on Aug 20, 2023

TST: mixed_int_string Index

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Testingpandas testing functions or related to the test suitepandas testing functions or related to the test suite

Status: Open.

#54072 In pandas-dev/pandas;

· jbrockmendel opened on Jul 10, 2023

DEPR: NDFrame.to_period, to_timestamp, tz_localize, tz_convert

API Design

DatetimeDatetime data dtypeDatetime data dtype

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

PeriodPeriod data typePeriod data type

Status: Open.

#52110 In pandas-dev/pandas;

· jbrockmendel opened on Mar 21, 2023

BUG: DatetimeIndex.intersection with non-anchored freq

Bug

FrequencyDateOffsetsDateOffsets

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

setopsunion, intersection, difference, symmetric_differenceunion, intersection, difference, symmetric_difference

Status: Open.

#44025 In pandas-dev/pandas;

· jbrockmendel opened on Oct 14, 2021

BUG: Index.union with both bools and ints, duplicates

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

setopsunion, intersection, difference, symmetric_differenceunion, intersection, difference, symmetric_difference

Status: Open.

#44000 In pandas-dev/pandas;

· jbrockmendel opened on Oct 12, 2021

BUG: CategoricalIndex.fillna with a tuple category

Bug

CategoricalCategorical Data TypeCategorical Data Type

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

Nested DataData where the values are collections (lists, sets, dicts, objects, etc.).Data where the values are collections (lists, sets, dicts, objects, etc.).

Status: Open.

#37681 In pandas-dev/pandas;

· jbrockmendel opened on Nov 7, 2020