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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 v2.1.0

Pandas: v2.1.0 Release

Release date:
August 30, 2023
Previous version:
v2.1.0rc0 (released August 11, 2023)
Magnitude:
3,799 Diff Delta
Contributors:
3 total committers
Data confidence:
Commits:
60 impacting commits

60 Commits in this Release

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

Backport PR #54579 on branch 2.1.x (ENH: Reflect changes from `numpy` namespace refactor Part 3) (#54583)
Authored August 16, 2023
Backport PR #54527 on branch 2.1.x (BUG: Special-case setting nan into integer series) (#54791)
Authored August 28, 2023
Backport PR #54633 on branch 2.1.x (DEP: remove python-snappy and brotli as optional dependencies (no longer used)) (#54637)
Authored August 21, 2023
Backport PR #54574 on branch 2.1.x (ENH: add cummax/cummin/cumprod support for arrow dtypes) (#54603)
Authored August 17, 2023
Backport PR #54566 on branch 2.1.x (ENH: support Index.any/all with float, timedelta64 dtypes) (#54693)
Authored August 22, 2023
Backport PR #54586 on branch 2.1.x (REF: Refactor conversion of na value) (#54658)
Authored August 21, 2023
Backport PR #54838 on branch 2.1.x (Don't expose EA.pad_or_backfill to users + switch to DeprecationWarning) (#54851)
Authored August 29, 2023
Backport PR #54720 on branch 2.1.x (Infer strings as pyarrow_numpy backed strings) (#54735)
Authored August 24, 2023
Backport PR #54818 on branch 2.1.x (DEP: Deprecate passing fill_value and freq to shift) (#54849)
Authored August 29, 2023
Backport PR #54585 on branch 2.1.x (Use NaN as na_value for new pyarrow_numpy StringDtype) (#54767)
Authored August 26, 2023
Backport PR #54341 on branch 2.1.x (PERF: axis=1 reductions with EA dtypes) (#54528)
Authored August 13, 2023
Backport PR #54496 on branch 2.1.x (Fix inference for fixed with numpy strings with arrow string option) (#54672)
Authored August 21, 2023
Backport PR #54536 on branch 2.1.x (REF: Move checks to object into a variable) (#54538)
Authored August 14, 2023
Backport PR #54794 on branch 2.1.x (Infer string storage based on infer_string option) (#54839)
Authored August 29, 2023
Backport PR #54685 on branch 2.1.x (ENH: support integer bitwise ops in ArrowExtensionArray) (#54691)
Authored August 22, 2023
Backport PR #54803 on branch 2.1.x (DOC: update docstrings for ffill and bfill (no longer aliases for fillna with method)) (#54814)
Authored August 28, 2023
Backport PR #54535 on branch 2.1.x (REF: Replace "pyarrow" string storage checks with variable) (#54594)
Authored August 17, 2023
Backport PR #54707 on branch 2.1.x (BUG: ArrowExtensionArray.fillna with duration types) (#54711)
Authored August 23, 2023
Backport PR #54815 on branch 2.1.x (DOC: added docstring for `storage_options` in `read_html`) (#54852)
Authored August 29, 2023
Backport PR #54537 on branch 2.1.x (REF: Refactor using_pyarrow check for string tests) (#54559)
Authored August 15, 2023
Backport PR #54768 on branch 2.1.x (Fix roundtripping with pyarrow schema) (#54773)
Authored August 27, 2023
Backport PR #54670 on branch 2.1.x (BUG: drop_duplicates raising for boolean arrow dtype with missing values) (#54692)
Authored August 22, 2023
Backport PR #54587 on branch 2.1.x (CI: Enable MacOS Python Dev tests) (#54614)
Authored August 18, 2023
Backport PR #54820 on branch 2.1.x (REF: Dispatch ArrowExtensionArray.fillna methods to pad_or_backfill) (#54827)
Authored August 28, 2023
Backport PR #54721 on branch 2.1.x (BUG/WARN: Passing EA object to dtype instead of an instance) (#54726)
Authored August 24, 2023
Backport PR #54641 on branch 2.1.x (BUG: getitem indexing wrong axis) (#54669)
Authored August 21, 2023
Backport PR #54508 on branch 2.1.x (PERF: DataFrame.iloc[int] for EA dtypes) (#54700)
Authored August 23, 2023
Backport PR #54752 on branch 2.1.x (REGR: groupby.count returning string dtype instead of numeric for string input) (#54762)
Authored August 25, 2023
Backport PR #54525 on branch 2.1.x (BLD: Fix version script) (#54560)
Authored August 15, 2023
Backport PR #54625 on branch 2.1.x (BUG: Fix error in printing timezone series) (#54698)
Authored August 23, 2023
Backport PR #54534 on branch 2.1.x (REF: Move methods that can be shared with new string dtype) (#54539)
Authored August 14, 2023
Backport PR #54856 on branch 2.1.x (BUG: ArrowExtensionArray.factorize with chunked dictionary array) (#54863)
Authored August 29, 2023
Backport PR #54699 on branch 2.1.x (BUG: setitem with object type inserting Series maintains Series) (#54760)
Authored August 25, 2023
Backport PR #54823 on branch 2.1.x (REGR: clip raising for list-bound) (#54829)
Authored August 28, 2023
Backport PR #54778 on branch 2.1.x (REGR: Index.union loses python string dtype) (#54813)
Authored August 28, 2023
Backport PR #54801 on branch 2.1.x (BUG: repr aligning left for string dtype columns) (#54819)
Authored August 28, 2023
Backport PR #54694 on branch 2.1.x (MAINT: Remove `np.in1d` function calls) (#54697)
Authored August 23, 2023
Backport PR #54509 on branch 2.1.x (PERF: Dataframe reductions with EA dtypes) (#54514)
Authored August 12, 2023
Backport PR #54591 on branch 2.1.x (Implement any and all for pyarrow numpy strings) (#54796)
Authored August 28, 2023
Backport PR #54515 on branch 2.1.x (ENH: ArrowExtensionArray(duration) workarounds for pyarrow versions >= 11.0) (#54524)
Authored August 13, 2023

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Release Notes Published

We are pleased to announce the release of pandas 2.1.0. 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. Pandas 2.1.0 supports Python 3.9 and higher.

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.

Thanks to all the contributors who made this release possible.

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