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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 v2.1.0rc0

Pandas: v2.1.0rc0 Release

Release date:

August 11, 2023

Previous version:

v2.1.0.dev0 (released June 28, 2023)

Magnitude:

109,260 Diff Delta

Contributors:

203 total committers

Data confidence:

Commits:

1,282

1282 Commits in this Release

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

DEPR: Revert DataFrameGroupBy.apply operating on the group keys (#52921)

Authored April 28, 2023

TST: Use more pytest.importorskip (#54377)

Authored August 3, 2023

TST: Use pytest-localserver instead of making network connections (#53828)

Authored June 27, 2023

ENH: Add new implementation of DataFrame.stack (#53921)

Authored August 2, 2023

TYP: Use Self instead of class-bound TypeVar II (pandas/core/arrays/) (#51497)

Authored March 15, 2023

CLN/FIX/PERF: Don't buffer entire Stata file into memory (#49228)

Authored February 23, 2023

PERF: dtype checks (#52682)

Authored April 17, 2023

TST: Use more pytest fixtures (#53567)

Authored June 9, 2023

DEPR: Period[B] (#53511)

Authored July 24, 2023

DEPR: fillna method kwd (#53496)

Authored June 7, 2023

TST: refactor data path for xml tests (#53766)

Authored June 21, 2023

DOC: Remove 1.0.0 versionadded/versionchanged (#51469)

Authored February 22, 2023

STY: Enable ruff perflint (#54236)

Authored July 25, 2023

PDEP-6: Ban upcasting in setitem-like operations (#50424)

Authored April 21, 2023

REF: implement NDFrame._from_mgr (#52132)

Authored June 25, 2023

REF: Decouple Series.apply from Series.agg (#53400)

Authored June 5, 2023

Re-land PyCapsule (#52021)

Authored March 18, 2023

TST: Clean plotting/frame/test_frame.color.py (#53894)

Authored June 28, 2023

DEPR: DataFrame.groupby(axis=1) (#51395)

Authored March 4, 2023

TYP: Use Self instead of class-bound TypeVar (generic.py/frame.py/series.py) (#51493)

Authored March 15, 2023

REF: move SparseDtype, ArrowDtype to dtypes.dtypes (#53116)

Authored May 15, 2023

CLN: remove redundant LatexFormatter and tests (#52844)

Authored April 24, 2023

DOC: EX01 ({Categorical, Interval, Multi, Datetime, Timedelta}-Index) (#53925)

Authored June 30, 2023

TST/CLN: Remove unnecessary pyarrow version checking (#51545)

Authored February 23, 2023

CLN: assorted (#52569)

Authored April 10, 2023

DEPR: positional indexing on Series __getitem__/__setitem__ (#53201)

Authored May 19, 2023

REF: dont pass exception to check_opname (#54365)

Authored August 4, 2023

API / CoW: return read-only numpy arrays in .values/to_numpy() (#51082)

Authored March 13, 2023

API/BUG: infer_dtype_from_scalar with non-nano (#52212)

Authored May 18, 2023

REF: more greppable names for ujson functions (#54202)

Authored July 20, 2023

PERF: dtype checks (#52279)

Authored March 29, 2023

PERF: dtype checks (#52506)

Authored April 7, 2023

TST: Refactor s3 resource (#53803)

Authored June 23, 2023

CLN: assorted (#53086)

Authored May 5, 2023

REF/TST: remove overriding tm.assert_foo pattern (#54355)

Authored August 1, 2023

PERF: dtype checks (#52766)

Authored April 18, 2023

BLD: Setup meson builds (#49115)

Authored May 9, 2023

Revert "Use PyCapsule for internal datetime functions" (#51951)

Authored March 14, 2023

TST: Clean tests/plotting/test_frame.py misc (#53914)

Authored June 28, 2023

REF: rename PandasArray->NumpyExtensionArray (#54101)

Authored July 18, 2023

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Top Contributors in v2.1.0rc0

jbrockmendel

mroeschke

phofl

rhshadrach

topper-123

lukemanley

lithomas1

DeaMariaLeon

MarcoGorelli

Charlie-XIAO

Directory Browser for v2.1.0rc0

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Release Notes Published

We are pleased to announce a release candidate for pandas 2.1.0. If all goes well, we'll release pandas 2.1.0 in about two weeks.

See the whatsnew for a list of all the changes.

The release will be available on conda-forge and PyPI.

The release can be installed from PyPI

python -m pip install --upgrade --pre pandas==2.1.0rc0

Or from conda-forge

conda install -c conda-forge/label/pandas_rc pandas==2.1.0rc0

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