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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 v2.1.2

Pandas: v2.1.2 Release

Release date:

October 26, 2023

Previous version:

v2.1.1 (released September 20, 2023)

Magnitude:

1,801 Diff Delta

Contributors:

7 total committers

Data confidence:

Commits:

50 Commits in this Release

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

Backport PR #55077 on branch 2.1.x (Revert "BUG: Timestamp origin takes no effect in resample for 'MS' frequency (#53938)") (#55459)

Authored October 24, 2023

Backport PR #55527: BUG fix deprecation of `limit` and `fill_method` … (#55701)

Authored October 26, 2023

Backport PR #55627 on branch 2.1.x (BUG: value_counts returning incorrect dtype for string dtype) (#55682)

Authored October 25, 2023

Backport PR #55369 on branch 2.1.x (MAINT: Remove `np.int_` and `np.uint`) (#55387)

Authored October 4, 2023

REGR: sort index with sliced MultiIndex (#55474)

Authored October 18, 2023

Backport PR #55173 on branch 2.1.x (BUG: .rolling() returns incorrect values when ts index is not nano seconds) (#55697)

Authored October 26, 2023

Backport PR #55138: BUG: Silence `Period[B]` warnings in plotting code (#55378)

Authored October 4, 2023

Backport PR #55537 on branch 2.1.x (BUG: Series inferring new string dtype even if dtype is given for scalar value) (#55635)

Authored October 22, 2023

Backport PR #55249 on branch 2.1.x (BUG: incompatible dtype when creating string column with loc) (#55251)

Authored September 22, 2023

Backport PR #55540 on branch 2.1.x (MAINT: Partially revert `np.int_` changes) (#55545)

Authored October 16, 2023

Backport PR #55586 on branch 2.1.x (REGR: Groupby methods not supporting numba raising TypeError when the…) (#55686)

Authored October 25, 2023

Backport PR #55348 on branch 2.1.x (REGR: join segfaulting for arrow string with nulls) (#55357)

Authored October 2, 2023

Backport PR #55691 on branch 2.1.x (REGR: fix read_parquet with column of large strings (avoid overflow from concat)) (#55706)

Authored October 26, 2023

Backport PR #55670 on branch 2.1.x (REGR: merge_asof raising TypeError for "by" with datelike dtypes) (#55676)

Authored October 25, 2023

Backport PR #55364 on branch 2.1.x (BUG: eq not implemented for categorical and arrow backed strings) (#55381)

Authored October 3, 2023

Backport PR #55562 on branch 2.1.x (Floordiv fix for pyarrow dtypes) (#55578)

Authored October 18, 2023

Backport PR #55366 on branch 2.1.x (BUG: Inserting ndim=0 array does not infer string dtype) (#55396)

Authored October 4, 2023

Backport PR #55300 on branch 2.1.x (TST: xfail test due to new numexpr version) (#55303)

Authored September 26, 2023

Backport PR #55362 on branch 2.1.x (BUG: rank raising for arrow string dtypes) (#55406)

Authored October 15, 2023

Backport PR #55611 on branch 2.1.x (DEPR: correct warning message while parsing datetimes with mixed time zones if utc=False) (#55613)

Authored October 21, 2023

Backport PR #55534 on branch 2.1.x (BUG: Ensure "string[pyarrow]" type is preserved when calling extractall) (#55597)

Authored October 19, 2023

Backport PR #55368 on branch 2.1.x (BUG: idxmin/max raising for arrow dtypes) (#55377)

Authored October 3, 2023

Backport PR #55460 on branch 2.1.x (COMPAT: Update old numpy aliases) (#55463)

Authored October 10, 2023

Backport PR #55363 on branch 2.1.x (BUG: ndim of string block incorrect with string inference) (#55376)

Authored October 3, 2023

Backport PR #55655 on branch 2.1.x (BUG: infer_string not inferring string dtype when NA is first value) (#55666)

Authored October 24, 2023

Backport PR #55518 on branch 2.1.x (CoW: Use exponential backoff when clearing dead references) (#55625)

Authored October 22, 2023

Backport PR #55384 on branch 2.1.x (BUG: idxmax raising for arrow strings) (#55531)

Authored October 15, 2023

Backport PR #55620 on branch 2.1.x (BUG: Groupby not keeping object dtype when infer string is set) (#55629)

Authored October 22, 2023

Backport PR #55488 on branch 2.1.x (BLD: Pin numpy to < 2) (#55500)

Authored October 13, 2023

Backport PR #55582 on branch 2.1.x (CI: Unpin Cython) (#55585)

Authored October 19, 2023

Backport PR #55414 on branch 2.1.x (CI: Pin Cython) (#55418)

Authored October 6, 2023

Backport PR #55565 on branch 2.1.x (TST: Remove np.core usage) (#55567)

Authored October 18, 2023

Backport PR #55397 on branch 2.1.x (MAINT: Add warning filter for `np.long`) (#55402)

Authored October 4, 2023

Backport PR #55596 on branch 2.1.x (CI: Have NumpyDev build only test nightly numpy) (#55602)

Authored October 20, 2023

Backport PR #55275 on branch 2.1.x (Update pyproject.toml - replace `output_formatting` with `output-formatting`) (#55291)

Authored September 26, 2023

Backport PR #55276 on branch 2.1.x (Bump pypa/cibuildwheel from 2.15.0 to 2.16.0) (#55288)

Authored September 25, 2023

Backport PR #55380 on branch 2.1.x (CI: Exclude benchmarks directory when publishing docs) (#55434)

Authored October 7, 2023

Backport PR #55450 on branch 2.1.x (Bump pypa/cibuildwheel from 2.16.1 to 2.16.2) (#55457)

Authored October 9, 2023

Backport PR #55350 on branch 2.1.x (Bump pypa/cibuildwheel from 2.16.0 to 2.16.1) (#55358)

Authored October 2, 2023

Backport PR #55665 on branch 2.1.x (DOC: Update release date for 2.1.2) (#55667)

Authored October 24, 2023

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Top Contributors in v2.1.2

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Directory Browser for v2.1.2

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Release Notes Published

This is a patch release in the 2.1.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.

Thanks to all the contributors who made this release possible.