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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 v1.5.1

Pandas: v1.5.1 Release

Release date:
October 18, 2022
Previous version:
v1.5.0 (released September 19, 2022)
Magnitude:
1,967 Diff Delta
Contributors:
5 total committers
Data confidence:
Commits:
50 impacting commits

50 Commits in this Release

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

Backport PR #48693 on branch 1.5.x (ENH: Make deprecate_nonkeyword_arguments alter function signature) (#48795)
Authored September 27, 2022
Backport PR #48943 on branch 1.5.x (REGR: ExcelWriter.book not settable) (#48959)
Authored October 6, 2022
Backport PR #48412 on branch 1.5.x (BUG: safe_sort losing MultiIndex dtypes) (#49002)
Authored October 10, 2022
Backport PR #48824 on branch 1.5.x (REGR: groupby fails with nullable dtypes and dropna=False) (#48938)
Authored October 5, 2022
Backport PR #48782 on branch 1.5.x (REGR: describe raising when result contains NA) (#48793)
Authored September 26, 2022
Backport PR #48651 on branch 1.5.x (REGR: TextIOWrapper raising an error in read_csv) (#48666)
Authored September 21, 2022
Backport PR #49080 on branch 1.5.x (REGR: midx.values resetting freq of underyling index) (#49094)
Authored October 14, 2022
Backport PR #48599 on branch 1.5.x (DOC: Add deprecation infos to deprecated functions) (#48690)
Authored September 21, 2022
Backport PR #48662 on branch 1.5.x (BUG: Series.getitem not falling back to positional for bool index) (#48799)
Authored September 27, 2022
Backport PR #49053 on branch 1.5.x (REVERT caching in find_stack_level) (#49079)
Authored October 14, 2022
Backport PR #48702 on branch 1.5.x (REGR: dropna affects observed in groupby) (#48750)
Authored September 23, 2022
Backport PR #49140 on branch 1.5.x (Revert "PERF: faster corrwith method for pearson and spearman correlation when other is a Series and axis = 0 (column-wise) (#46174)") (#49151)
Authored October 17, 2022
Backport PR #48853 on branch 1.5.x (REGR: Avoid unnecessary warning when setting empty dataframe) (#48873)
Authored September 30, 2022
Backport PR #48696 on branch 1.5.x (REGR: to_hdf raising AssertionError with boolean index) (#48716)
Authored September 23, 2022
Backport PR #48734 on branch 1.5.x (REGR: Raise on invalid colormap for scatter plot) (#48744)
Authored September 23, 2022
Backport PR #48995 on branch 1.5.x (REGR: to_parquet raising with bytes filename) (#49061)
Authored October 13, 2022
Backport PR #48866 on branch 1.5.x (REGR: replace replacing wrong values with inplace and datetime) (#48872)
Authored September 30, 2022
Backport PR #48797 on branch 1.5.x (REGR: fix df.apply with keyword non-zero axis) (#48886)
Authored September 30, 2022
Backport PR #48697 on branch 1.5.x (REGR: None converted to NaN when enlarging Series) (#48745)
Authored September 23, 2022
Backport PR #48608 on branch 1.5.x (REGR: assert_index_equal raising with non matching pd.NA) (#48800)
Authored September 27, 2022
Backport PR #49070 on branch 1.5.x (CI: Fix DeprecationWarning of numpy dev) (#49074)
Authored October 13, 2022
Backport PR #48711 on branch 1.5.x (REGR: Regression in DataFrame.loc when setting df with all True indexer) (#48717)
Authored September 23, 2022
Backport PR #48850 on branch 1.5.x (TYP: Fix typing errors caused by new numpy) (#48859)
Authored September 29, 2022
Backport PR #48785 on branch 1.5.x (BUG: still emitting unnecessary FutureWarning in DataFrame.sort_values with sparse columns) (#48807)
Authored September 27, 2022
Backport PR #48736 on branch 1.5.x ( BUG: AttributeError: 'function' object has no attribute 'currentframe') (#48887)
Authored September 30, 2022
Backport PR #48987 on branch 1.5.x (REG: Fix regression in assert_frame_equal for categorical and check_like) (#48997)
Authored October 11, 2022
Backport PR #48833 on branch 1.5.x (BUG: ArrowExtensionArray compared to invalid object not raising) (#48878)
Authored September 30, 2022
Backport PR #48457 on branch 1.5.x (TST: Fix unsigned pyarrow types in SIGNED_INT_PYARROW_DTYPES) (#49093)
Authored October 14, 2022
Backport PR #48579 on branch 1.5.x (BUG: Fix calling groupBy(...).apply(func) on an empty dataframe invokes func) (#48817)
Authored September 27, 2022
Backport PR #48686 on branch 1.5.x (BUG: to_datetime(tz_mix, utc=True) converts to UTC) (#48882)
Authored September 30, 2022
Backport PR #48713 on branch 1.5.x (BUG: pivot_table raising Future Warning with datetime column as index) (#48742)
Authored September 23, 2022
Backport PR #49137 on branch 1.5.x (WEB/DOC: Fix typo in OVH name) (#49138)
Authored October 17, 2022
Backport PR #48620 on branch 1.5.x (REGR: Performance decrease in factorize) (#48710)
Authored September 22, 2022
Backport PR #48805 on branch 1.5.x (Added padding and fixed columns for sponsor logos in mobile view) (#48874)
Authored September 30, 2022
Backport PR #48770 on branch 1.5.x (added sytle in stylesheet for <blockquote>) (#49102)
Authored October 15, 2022
Backport PR #49162 on branch 1.5.x (PERF: Fix performance regression for isin with mismatching dtypes) (#49165)
Authored October 18, 2022
Backport PR #48820 on branch 1.5.x (BUG: to_datetime(format='...%f') parses nanoseconds) (#48860)
Authored September 29, 2022
Backport PR #48973 on branch 1.5.x (CI: Bump timeouts Python dev builds) (#49028)
Authored October 10, 2022
Backport PR #48879 on branch 1.5.x (WEB: Add Luke to maintainers list) (#48929)
Authored October 4, 2022
Backport PR #48989 on branch 1.5.x (CI: Pin pydata sphinx theme) (#48993)
Authored October 7, 2022

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Top Contributors in v1.5.1

meeseeksmachine
phofl
MarcoGorelli
rhshadrach
pandas-development-team-79e2

Directory Browser for v1.5.1

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Release Notes Published

This is a patch release in the 1.5.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.

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