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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 v1.3.0

Pandas: v1.3.0 Release

Release date:

July 2, 2021

Previous version:

v1.3.0rc1 (released June 13, 2021)

Magnitude:

5,601 Diff Delta

Contributors:

4 total committers

Data confidence:

Commits:

80 Commits in this Release

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

Backport PR #42200 on branch 1.3.x (TYP: update for numpy-1.21.0) (#42205)

Authored June 24, 2021

Backport PR #41266: API: make `hide_columns` and `hide_index` have a consistent signature and function in `Styler` (#42041)

Authored June 16, 2021

Backport PR #42323 on branch 1.3.x (BUG: `Styler.to_latex` now doesn't manipulate the `Styler` object.) (#42327)

Authored June 30, 2021

Backport PR #40731: ENH: `Styler.to_latex` conversion from CSS (#42040)

Authored June 16, 2021

Backport PR #42091: REGR: Subclassing `Styler` and addressing `from_custom_template` (#42279)

Authored June 28, 2021

Backport PR #41952: BUG: take nans correctly into consideration in complex and tuple (#42058)

Authored June 16, 2021

Backport PR #41497: BUG: columns name retention in groupby methods (#42083)

Authored June 17, 2021

Backport PR #40770: EHN: multi-column explode (#42155)

Authored June 21, 2021

Backport PR #41283: TYP Series and DataFrame currently type-check as hashable (#42299)

Authored June 29, 2021

Backport PR #41988: BUG: nan-objects lookup fails with Python3.10 (#42086)

Authored June 17, 2021

Backport PR #42072: ENH: `Styler.set_sticky` for maintaining index and column headers in HTML frame (#42096)

Authored June 18, 2021

Backport PR #41821: BUG: wrong exception when slicing on TimedeltaIndex (#42079)

Authored June 17, 2021

Backport PR #41990: CI: troubleshoot py310 build (#42019)

Authored June 15, 2021

Backport PR #41915: BUG: MultiIndex.difference incorrectly raising TypeError when indexes contain non-sortable entries (#42081)

Authored June 17, 2021

Backport PR #41595: CI: Xfails on Python 3.10 (#42297)

Authored June 29, 2021

Backport PR #42148: DOC: share swaplevel docstring between DataFrame and Series (#42120) (#42257)

Authored June 27, 2021

Backport PR #41875: BUG: unstack with object dtype of tzaware timestamps (#42062)

Authored June 17, 2021

Backport PR #42317: Revert "REF: move shift logic from BlockManager to DataFrame" (#42321)

Authored June 30, 2021

Backport PR #41934: BUG: IntervalIndex.get_indexer with categorical both have nans (#42082)

Authored June 17, 2021

Backport PR #42292: REGR: ExcelWriter fails when passed kwargs (#42300)

Authored June 29, 2021

Backport PR #38587: ENH: Raise ParserWarning when length of names does not match length of data (#42047)

Authored June 16, 2021

Backport PR #42254: REGR: groupby with as_index=False on an empty frame (#42280)

Authored June 28, 2021

Backport PR #41933: BUG: CategoricalIndex.get_loc(np.nan) (#42039)

Authored June 16, 2021

Backport PR #41846: BUG: DataFrame.at with CategoricalIndex (#42038)

Authored June 16, 2021

Backport PR #40628: ENH: New boundary inputs (#42217)

Authored June 25, 2021

Backport PR #42197: PERF: IntervalArray.unique, IntervalIndex.intersection (#42224)

Authored June 25, 2021

Backport PR #42049: BUG: hash_pandas_object ignores optional arguments when the input is a DataFrame. (#42108)

Authored June 18, 2021

Backport PR #42115: REGR: DatetimeIndex.intersection #42104 (#42154)

Authored June 21, 2021

Auto backport of pr 42293 on 1.3.x (#42306)

Authored June 29, 2021

Backport PR #41974: BUG: UInt64Index.where with int64 value (#42036)

Authored June 16, 2021

Backport PR #42087: REGR: undocumented astype("category").astype(str) type inconsistency between pandas 1.1 & 1.2 (#42157)

Authored June 21, 2021

Backport PR #42166: REGR: preserve Int32 dtype on setitem (#42172)

Authored June 21, 2021

Backport PR #41958: REGR: Series[dt64/td64].astype(string) (#42028)

Authored June 15, 2021

Backport PR #42174: TST/CI: speed up chunksize test (#42182)

Authored June 22, 2021

Backport PR #42131: REGR: Series.mode with boolean and pd.NA (#42159)

Authored June 21, 2021

Backport PR #42135: BUG: use hash-function which takes nans correctly into account for ExtensionDtype (#42183)

Authored June 22, 2021

Backport PR #42030: Regression raising Error when having dup cols with single dtype for read csv (#42045)

Authored June 16, 2021

Backport PR #42270: PERF: CategoricalIndex.get_indexer (#42282)

Authored June 28, 2021

Backport PR #42085: BUG: groupby any/all raising with pd.NA object data (#42164)

Authored June 21, 2021

Backport PR #42160: PERF: Check identity first before comparing the objects (#42163)

Authored June 21, 2021

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Top Contributors in v1.3.0

meeseeksmachine

jbrockmendel

mzeitlin11

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Directory Browser for v1.3.0

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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.