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DOC: fix the incorrect doc style in 1.2.1

Docs

good first issue

Status: Closed (completed).

#39290 In pandas-dev/pandas;

· by jreback was closed on Jul 8, 2021

REGR: passing dask arrays to Series or DataFrame

ConstructorsSeries/DataFrame/Index/pd.array ConstructorsSeries/DataFrame/Index/pd.array Constructors

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#38645 In pandas-dev/pandas;

· by keewis was closed on Jul 20, 2021

Performance regression in DataFrame reduction ops

PerformanceMemory or execution speed performanceMemory or execution speed performance

Reduction Operationssum, mean, min, max, etc.sum, mean, min, max, etc.

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#38592 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 13, 2021

CI: activate Github actions for pushes to backport branch (1.2.x)

CIContinuous IntegrationContinuous Integration

Status: Closed (completed).

#39696 In pandas-dev/pandas;

· by simonjayhawkins was closed on Jul 16, 2021

CI: series_methods.IsInLongSeriesLookUpDominates.time_isin fails with NumPy 1.20+

BenchmarkPerformance (ASV) benchmarksPerformance (ASV) benchmarks

CIContinuous IntegrationContinuous Integration

Status: Closed (completed).

#39844 In pandas-dev/pandas;

· by simonjayhawkins was closed on Jul 14, 2021

CI: update 3.9 packages as they become available

CIContinuous IntegrationContinuous Integration

DependenciesRequired and optional dependenciesRequired and optional dependencies

Status: Closed (completed).

#37826 In pandas-dev/pandas;

· by jreback was closed on Jul 9, 2021

DOC: add ibis to pandas ecosystem

Docs

good first issue

Status: Closed (completed).

#20483 In pandas-dev/pandas;

· by jreback was closed on Jul 16, 2021

DEPS: clarifying setuptools's status as a dependency

DependenciesRequired and optional dependenciesRequired and optional dependencies

Status: Closed (completed).

#41815 In pandas-dev/pandas;

· by fangchenli was closed on Jul 6, 2021

PERF: regression in DataFrame construction from nested dict

ConstructorsSeries/DataFrame/Index/pd.array ConstructorsSeries/DataFrame/Index/pd.array Constructors

PerformanceMemory or execution speed performanceMemory or execution speed performance

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42248 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 8, 2021

BUG: regression for 1.3.0: saving a dataframe with the "pickle" package using pandas 1.2.5 would not open with "pickle" again with pandas 1.3.0

IO DataIO issues that don't fit into a more specific labelIO issues that don't fit into a more specific label

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42345 In pandas-dev/pandas;

· by shadiakiki1986 was closed on Jul 6, 2021

BUG: df.to_dict(orient="records") significantly slower in Pandas 1.3.0

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

PerformanceMemory or execution speed performanceMemory or execution speed performance

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42352 In pandas-dev/pandas;

· by kyri-petrou was closed on Jul 12, 2021

BUG: build failure on PyPy in hash functions

Bug

BuildLibrary building on various platformsLibrary building on various platforms

Status: Closed (completed).

#42355 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jul 4, 2021

BUG: <code>list</code> subclass objects don't work as indexers for data frames in 1.3.x

Bug

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

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42433 In pandas-dev/pandas;

· by pwwang was closed on Jul 12, 2021

BUG: The difference in behaviour of indexing between 1.2.4 and 1.3.0

Bug

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

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42461 In pandas-dev/pandas;

· by xiki-tempula was closed on Jul 12, 2021

1.3.0 PerformanceWarning: DataFrame is highly fragmented.

DataFrameDataFrame data structureDataFrame data structure

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

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42477 In pandas-dev/pandas;

· by xmatthias was closed on Jul 23, 2021

BUG: With cache, to_datetime() returns pd.NaT for inputs that produce duplicated values

Bug

DatetimeDatetime data dtypeDatetime data dtype

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42259 In pandas-dev/pandas;

· by zyc09 was closed on Jul 4, 2021

BUG: 1.3.0 DataFrame.agg over categorical columns with non-unique index returns wrong size result

ApplyApply, Aggregate, Transform, MapApply, Aggregate, Transform, Map

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42380 In pandas-dev/pandas;

· by ivirshup was closed on Jul 9, 2021

CI: Failing NumpyDev

CIContinuous IntegrationContinuous Integration

Compatpandas objects compatability with Numpy or Python functionspandas objects compatability with Numpy or Python functions

Status: Closed (completed).

#42381 In pandas-dev/pandas;

· by lithomas1 was closed on Jul 6, 2021

REGR: 1.3.0rc behavior change with concatenating boolean and numeric columns

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

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

Status: Closed (completed).

#42092 In pandas-dev/pandas;

· by tamargrey was closed on Jul 15, 2021

BUG: astype() on an integer DataFrame changes the order of data

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42396 In pandas-dev/pandas;

· by wjsi was closed on Jul 13, 2021

BUG: <code>to_xml</code> raises <code>KeyError</code> for <code>index=False</code> when the index does not start at zero

Bug

IO XMLread_xml, to_xmlread_xml, to_xml

Status: Closed (completed).

#42458 In pandas-dev/pandas;

· by stephan-hesselmann-by was closed on Jul 12, 2021

BUG: Less helpful <code>SettingWithCopyWarning</code> on new pandas version

Bug

Copy / view semantics

Error ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandas

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

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42570 In pandas-dev/pandas;

· by ntjess was closed on Jul 22, 2021

BUG: SeriesGroupBy.value_counts() throws IndexError if there is only one group

AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diffNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff

Bug

Groupby

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Closed (completed).

#42618 In pandas-dev/pandas;

· by sleiken was closed on Jul 24, 2021

RLS: 1.3.1

Release

Status: Closed (completed).

#42343 In pandas-dev/pandas;

· by simonjayhawkins was closed on Jul 28, 2021

BLD: Bump ManyLinux

BuildLibrary building on various platformsLibrary building on various platforms

Status: Closed (completed).

#42522 In pandas-dev/pandas;

· by lithomas1 was closed on Jul 19, 2021