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1.3.4

Closed
Overdue by 3 year(s)
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Due by October 17, 2021
Closed Oct 18, 2021
100% complete

on-merge: backport to 1.3.x

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0 issues of 77 selected

  • Use oldest-supported-numpy in pyproject.toml

    BuildLibrary building on various platforms
    Status: Closed (completed).
    #40307 In pandas-dev/pandas;
    · by TomAugspurger was closed on Oct 13, 2021

  • PERF: groupby performance regression in 1.2.x

    Groupby
    PerformanceMemory or execution speed performance
    RegressionFunctionality that used to work in a prior pandas version
    StringsString extension data type and string data
    Status: Closed (completed).
    #41596 In pandas-dev/pandas;
    · by tritemio was closed on Sep 23, 2021

  • BUG: timeseries.groupby(...).transform('mean') wrong when aggregating over pd.NaT

    ApplyApply, Aggregate, Transform, Map
    Bug
    Groupby
    RegressionFunctionality that used to work in a prior pandas version
    Status: Closed (completed).
    #43132 In pandas-dev/pandas;
    · by behrenhoff was closed on Sep 18, 2021

  • BUG: convert_dtypes incorrectly converts byte strings to strings in 1.3+

    Bug
    Dtype ConversionsUnexpected or buggy dtype conversions
    RegressionFunctionality that used to work in a prior pandas version
    StringsString extension data type and string data
    Status: Closed (completed).
    #43183 In pandas-dev/pandas;
    · by nwilliams-lw was closed on Oct 17, 2021

  • DOC: No links to prior versions docs

    Docs
    Status: Closed (completed).
    #43782 In pandas-dev/pandas;
    · by DrGFreeman was closed on Sep 28, 2021

  • BUG: groupby aggregation methods produce empty DataFrame with mixed DataTypes

    ApplyApply, Aggregate, Transform, Map
    Bug
    Dtype ConversionsUnexpected or buggy dtype conversions
    Groupby
    MultiIndex
    Reduction Operationssum, mean, min, max, etc.
    RegressionFunctionality that used to work in a prior pandas version
    Status: Closed (completed).
    #43209 In pandas-dev/pandas;
    · by johanneselbs was closed on Sep 29, 2021

  • BUG: passing kwargs to Series.aggregate raises TypeError: f() got an unexpected keyword argument

    ApplyApply, Aggregate, Transform, Map
    Bug
    RegressionFunctionality that used to work in a prior pandas version
    SeriesSeries data structure
    Status: Closed (completed).
    #43357 In pandas-dev/pandas;
    · by jakeanq was closed on Sep 23, 2021

  • BUG: <code>reorder_categories</code> with <code>inplace=True</code> is not changing the <code>dtype.categories</code>

    Bug
    CategoricalCategorical Data Type
    RegressionFunctionality that used to work in a prior pandas version
    Status: Closed (completed).
    #43232 In pandas-dev/pandas;
    · by galipremsagar was closed on Sep 17, 2021

  • BUG: skiplist memory leak in rolling functions

    PerformanceMemory or execution speed performance
    Windowrolling, ewma, expanding
    Status: Closed (completed).
    #43339 In pandas-dev/pandas;
    · by gsiano was closed on Oct 16, 2021

  • BUG: <code>DataFrame.explode</code> is failing on scalar <code>int</code> value.

    Bug
    RegressionFunctionality that used to work in a prior pandas version
    ReshapingConcat, Merge/Join, Stack/Unstack, Explode
    Status: Closed (completed).
    #43314 In pandas-dev/pandas;
    · by galipremsagar was closed on Sep 30, 2021

  • BUG: pd.Categorical turns all values into NaN

    Bug
    CategoricalCategorical Data Type
    InternalsRelated to non-user accessible pandas implementation
    RegressionFunctionality that used to work in a prior pandas version
    Status: Closed (completed).
    #43334 In pandas-dev/pandas;
    · by mfstabile was closed on Sep 17, 2021

  • BUG: crash in df.groupby.rolling.mean with forward window indexer

    Bug
    Groupby
    RegressionFunctionality that used to work in a prior pandas version
    SegfaultNon-Recoverable Error
    Windowrolling, ewma, expanding
    Status: Closed (completed).
    #43267 In pandas-dev/pandas;
    · by mIgLLL was closed on Oct 16, 2021

  • BUG: RollingGroupby.corr() producing incorrect results

    Bug
    Groupby
    RegressionFunctionality that used to work in a prior pandas version
    Windowrolling, ewma, expanding
    Status: Closed (completed).
    #43386 In pandas-dev/pandas;
    · by grantgustafson was closed on Oct 3, 2021

  • REGR: outer join with integer key and NaNs failing

    RegressionFunctionality that used to work in a prior pandas version
    ReshapingConcat, Merge/Join, Stack/Unstack, Explode
    Status: Closed (completed).
    #43550 In pandas-dev/pandas;
    · by jorisvandenbossche was closed on Sep 14, 2021

  • PERF: MultiIndex equals method got 20x slower

    MultiIndex
    PerformanceMemory or execution speed performance
    Status: Closed (completed).
    #43549 In pandas-dev/pandas;
    · by grotmol was closed on Sep 16, 2021

  • BUG: Spearman correlation is broken (dtype mismatch) on 32-bit platforms

    32bit32-bit systems
    AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff
    Numeric OperationsArithmetic, Comparison, and Logical operations
    RegressionFunctionality that used to work in a prior pandas version
    Status: Closed (completed).
    #43588 In pandas-dev/pandas;
    · by musicinmybrain was closed on Sep 16, 2021

  • RLS: 1.3.4

    Release
    Status: Closed (completed).
    #43531 In pandas-dev/pandas;
    · by simonjayhawkins was closed on Oct 18, 2021

  • BUG: REGR: read_csv with memory_map=True raises UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc4 in position 262143: unexpected end of data

    Bug
    IO CSVread_csv, to_csv
    RegressionFunctionality that used to work in a prior pandas version
    Status: Closed (completed).
    #43540 In pandas-dev/pandas;
    · by michal-gh was closed on Sep 21, 2021

  • BUG: pandas doesn't install on python 3.10

    BuildLibrary building on various platforms
    Compatpandas objects compatability with Numpy or Python functions
    Python 3.10
    Status: Closed (completed).
    #43715 In pandas-dev/pandas;
    · by eyalk11 was closed on Oct 17, 2021

  • Make group_mean compatible with NaT

    Groupby
    Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
    Status: Merged (completed).
    pandas-dev/pandasnumber 43467
    #43467 In pandas-dev/pandas;
    · by AlexeyGy was closed on Sep 18, 2021

  • Backport PR #43553 on branch 1.3.x (REGR: Outer merge failing with integer and NaN keys)

    Dtype ConversionsUnexpected or buggy dtype conversions
    ReshapingConcat, Merge/Join, Stack/Unstack, Explode
    Status: Merged (completed).
    pandas-dev/pandasnumber 43566
    #43566 In pandas-dev/pandas;
    · by meeseeksmachine was closed on Sep 14, 2021

  • Backport PR #43589 on branch 1.3.x (PERF: MultiIndex.equals)

    MultiIndex
    PerformanceMemory or execution speed performance
    Status: Merged (completed).
    pandas-dev/pandasnumber 43610
    #43610 In pandas-dev/pandas;
    · by meeseeksmachine was closed on Sep 17, 2021

  • CI: Add back CircleCI for ARM64

    ARMaarch64 architecture
    CIContinuous Integration
    Status: Merged (completed).
    pandas-dev/pandasnumber 43613
    #43613 In pandas-dev/pandas;
    · by lithomas1 was closed on Sep 16, 2021

  • Backport PR #43608: REGR: spearman corr raising on 32-bit

    AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff
    Numeric OperationsArithmetic, Comparison, and Logical operations
    RegressionFunctionality that used to work in a prior pandas version
    Status: Merged (completed).
    pandas-dev/pandasnumber 43614
    #43614 In pandas-dev/pandas;
    · by mzeitlin11 was closed on Sep 17, 2021

  • Backport PR #43613 on branch 1.3.x (CI: Add back CircleCI for ARM64)

    ARMaarch64 architecture
    CIContinuous Integration
    Status: Merged (completed).
    pandas-dev/pandasnumber 43615
    #43615 In pandas-dev/pandas;
    · by meeseeksmachine was closed on Sep 17, 2021
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