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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 v1.2.0

Pandas: v1.2.0 Release

Release date:
December 26, 2020
Previous version:
v1.2.0rc0 (released December 8, 2020)
Magnitude:
1,672 Diff Delta
Contributors:
3 total committers
Data confidence:
Commits:
33 impacting commits

33 Commits in this Release

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

Backport PR #38571: DEPR: Adjust read excel behavior for xlrd >= 2.0 (#38670)
Authored December 24, 2020
Backport PR #38679: Revert "Deprecated casting an object-dtype index of datetime objects to DatetimeIndex in the Series constructor (23598)" (#38699)
Authored December 26, 2020
Backport PR #38427: REGR: Assigning label with registered EA dtype raises (#38464)
Authored December 14, 2020
Backport PR #38654: [BUG] Concat duplicates errors (or lack there of) (#38682)
Authored December 24, 2020
Backport PR #38456: DOC: update wording about when xlrd engine can be used (#38660)
Authored December 23, 2020
Backport PR #38141: BUG: do not stringify file-like objects (#38458)
Authored December 14, 2020
Backport PR #38494: TST: don't use global fixture in the base extension tests (#38500)
Authored December 15, 2020
Backport PR #37905: BUG: groupby resample different results with .agg() vs .mean() (#38633)
Authored December 22, 2020
Backport PR #38560: Revert "REF: remove special casing from Index.equals (always dispatchto subclass) (#35330)" (#38565)
Authored December 18, 2020
Backport PR #38293: BUG: read_json does not respect chunksize (#38658)
Authored December 23, 2020
Backport PR #38532: BUG: Regression in logical ops raising ValueError with Categorical columns with unused categories (#38612)
Authored December 21, 2020
Backport PR #38247: BUG: Limited available colors (#38435)
Authored December 13, 2020
Backport PR #37534: BUG: error raise when column contains percentage (#38632)
Authored December 22, 2020
Backport PR #38657: DOC/CI: fix class alias docstrings for sphinx 3.4 + unpin sphinx (#38669)
Authored December 24, 2020
Backport PR #38613: CI: move py38 slow to azure #38429 (#38624)
Authored December 21, 2020
Backport PR #38533: BUG&TST: HTML formatting error in Styler.render() in rowspan attribute (#38640)
Authored December 22, 2020
Backport PR #38638: BUG: Fix regression in pandas merge (#38639)
Authored December 22, 2020
Backport PR #38539: BUG: fix array conversion from Arrow for slided array (#38611)
Authored December 21, 2020
Backport PR #35100: Document Tips for Debugging C Extensions (#38395)
Authored December 10, 2020
Backport PR #38526: CI: pin xlrd<2.0 (#38557)
Authored December 18, 2020
Backport PR #38478: CI: Use --strict-markers for pytest 6.0.2 (#38497)
Authored December 15, 2020
Backport PR #38598: BUG: Temporarily pin the version of Sphinx to 3.3.1 in requirements. (#38603)
Authored December 21, 2020
Backport PR #38480: CI: Supress moto server logs in tests (#38501)
Authored December 15, 2020
Backport PR #38396: BUG: algos.rank with readonly values (#38409)
Authored December 11, 2020
Backport PR #38360: CI: activate azure pipelines/github actions on 1.2.x (#38366)
Authored December 8, 2020
Backport PR #38361: DOC: minor fixes to 1.2 release notes (#38363)
Authored December 8, 2020
Backport PR #38678: DOC: 1.2.0 release date (#38702)
Authored December 26, 2020
Backport PR #38504: REG: DataFrame.shift with axis=1 and CategoricalIndex columns (#38555)
Authored December 18, 2020
Backport PR #38514: CI: un-xfail (#38559)
Authored December 18, 2020
Backport PR #38486: DOC: Fix missing ipython block in user_guide/indexing.rst (#38496)
Authored December 15, 2020
Backport PR #38374: CLN: typo fixup in 1.2.0 whatsnew (#38384)
Authored December 9, 2020
Backport PR #38369: DOC: sync xarray version (#38371)
Authored December 9, 2020
RLS: 1.2.0
Authored December 26, 2020

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Top Contributors in v1.2.0

meeseeksmachine
pandas-development-team-79e2
simonjayhawkins

Directory Browser for v1.2.0

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

Release Notes Published

This release includes some new features, bug fixes, and performance improvements. 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 -c conda-forge pandas

Or via PyPI:

python3 -m pip install --upgrade pandas

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

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