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Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

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Pandas v1.4.3

Pandas: v1.4.3 Release

Release date:

June 23, 2022

Previous version:

v1.4.2 (released April 2, 2022)

Magnitude:

1,314 Diff Delta

Contributors:

4 total committers

Data confidence:

Commits:

49 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

Backport PR #46960: CI: Move Windows build from Azure to GHA (#46971)

Authored May 10, 2022

Backport PR #47206 on branch 1.4.x (REGR: concat not sorting columns for mixed column names) (#47251)

Authored June 6, 2022

Backport PR #46697: DOC: indicate that `month_name` and `day_name` also applies to Series (#46710)

Authored April 9, 2022

Backport PR #46981: CI: Move MacOS build from Azure to GHA (#47007)

Authored May 15, 2022

Backport PR #47051 on branch 1.4.x (BUG: `DataFrame.shift` shows different behavior for `axis=1` when `freq` is specified) (#47158)

Authored May 28, 2022

Backport PR #47393 on branch 1.4.x (CI/TST: Don't require length for construct_1d_arraylike_from_scalar cast to float64) (#47460)

Authored June 22, 2022

Backport PR #47179 on branch 1.4.x (CI: Versioneer not picking up version in 32-bit build) (#47190)

Authored June 1, 2022

Backport PR #47431 on branch 1.4.x (Fix segmentation fault when JSON serializing a PeriodIndex) (#47457)

Authored June 22, 2022

Backport PR #45247: PERF: find_stack_level (#46881)

Authored April 27, 2022

Backport PR #47085 on branch 1.4.x (BUG: Eval scopes ignoring empty dictionaries (#47084)) (#47250)

Authored June 6, 2022

Backport PR #46690: CI fix-ci-isocalendar (#46720)

Authored April 9, 2022

Backport PR #46991: CI/TST: Fix test for pyarrow 8.0 release (#46992)

Authored May 11, 2022

Backport PR #46636 on branch 1.4.x (REGR: Replace changes the dtype of other columns) (#47123)

Authored May 26, 2022

Backport PR #47139 on branch 1.4.x (REGR: index_col False and header=None inferring index names in some cases) (#47142)

Authored May 27, 2022

Backport PR #47096 on branch 1.4.x (fix pandas.show_versions() and remove pin for setuptools) (#47118)

Authored May 25, 2022

Backport PR #47325 on branch 1.4.x (REGR: Avoid regression warning with ea dtype and assert_index_equal order False) (#47366)

Authored June 15, 2022

Backport PR #47078 on branch 1.4.x (REGR: Raise NotImplementedError for agg with axis=1 and multiple funcs) (#47086)

Authored May 22, 2022

Backport PR #47326 on branch 1.4.x (REGR: Fix nan comparison for same Index object) (#47364)

Authored June 15, 2022

Backport PR #47165 on branch 1.4.x (BUG: do not suppress errors when closing file handles) (#47178)

Authored June 1, 2022

Backport PR #46674: DOC: generate docs for the `Series.dt.isocalendar()` method

Authored April 9, 2022

Backport PR #47347 on branch 1.4.x (REGR: Regression in to_csv for ea dtype categorical) (#47388)

Authored June 17, 2022

Backport PR #47349 on branch 1.4.x (REGR: MultiIndex.dtypes has regular Index instead of MultiIndex index) (#47369)

Authored June 15, 2022

Backport PR #46691: REGR: read_fwf raising ValueError when widths was specified with usecols (#46709)

Authored April 9, 2022

Backport PR #46767: CI: Fail Numpy Dev build on DeprecationWarnings from numpy only (#46773)

Authored April 14, 2022

Backport PR #47159 on branch 1.4.x (TST: Re-enable test after Cython upgrade) (#47161)

Authored May 29, 2022

Backport PR #47318 on branch 1.4.x (CI: Pin PYTEST_WORKERS=1 for Windows builds due to memory errors) (#47445)

Authored June 21, 2022

Backport PR #46394: CI: Use conda-forge PyPy (#47040)

Authored May 17, 2022

Backport PR #47057 on branch 1.4.x (BUG: groupby.transform/agg with engine='numba' and a MultiIndex) (#47062)

Authored May 19, 2022

Backport PR #47150 on branch 1.4.x (DEPS: Bump Cython) (#47152)

Authored May 28, 2022

Backport PR #46647: CI/DOC: Unpin jinja2 (#46649)

Authored April 6, 2022

CI/TST: xfail git test failure on 32 bit job (#46842) (#46857)

Authored April 25, 2022

Backport PR #46912: CI: More targeted pyarrow version testing (#46925)

Authored May 2, 2022

Backport PR #46692: CI fix ci-failure from bs4 new version (#46696)

Authored April 8, 2022

Backport PR #47135 on branch 1.4.x (CLN: ensure clean up styler tests) (#47141)

Authored May 27, 2022

Backport PR #47015: CI: Ensure no-use-pep517 with no-build-isolation with new pip version (#47031)

Authored May 15, 2022

Backport PR #47239 on branch 1.4.x (Bump cython version in asv.conf.json to match environment.yml) (#47243)

Authored June 5, 2022

Backport PR #47143 on branch 1.4.x (REGR: setitem writing into RangeIndex instead of creating a copy) (#47256)

Authored June 6, 2022

Backport PR #47020: CI: Move 32 bit Linux build to GHA (#47029)

Authored May 15, 2022

Backport PR #47121 on branch 1.4.x (BUG: read_excel loading some xlsx ints as floats) (#47271)

Authored June 7, 2022

Backport PR #46656: BUG: df.nsmallest get wrong results when NaN in the sorting column (#46748)

Authored April 12, 2022

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Top Contributors in v1.4.3

meeseeksmachine

mroeschke

jorisvandenbossche

simonjayhawkins

Directory Browser for v1.4.3

We haven't yet finished calculating and confirming the files and directories changed in this release. Please check back soon.

Release Notes Published

This is a patch release in the 1.4.x series and includes some regression and bug fixes. We recommend that all users upgrade to this version.

See the full whatsnew for a list of all the changes.

The release will be available on the defaults and conda-forge channels:

conda install pandas

Or via PyPI:

python3 -m pip install --upgrade pandas

Please report any issues with the release on the pandas issue tracker.