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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 v2.0.0

Pandas: v2.0.0 Release

Release date:
April 3, 2023
Previous version:
v2.0.0rc1 (released March 16, 2023)
Magnitude:
1,993 Diff Delta
Contributors:
6 total committers
Data confidence:
Commits:
47 impacting commits

47 Commits in this Release

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

Backport PR #52195 on branch 2.0.x (WARN: Only warn about inconsistent parsing if there are multiple non-null elements) (#52242)
Authored March 27, 2023
Backport PR #52008 on branch 2.0.x (CoW: Avoid copying Index in Series constructor) (#52048)
Authored March 17, 2023
Backport PR #52036 on branch 2.0.x (BUG: Remove unnecessary validation to non-string columns/index in df.to_parquet) (#52044)
Authored March 17, 2023
Backport PR #51966 on branch 2.0.x (CoW: __array__ not recognizing ea dtypes) (#52358)
Authored April 2, 2023
Backport PR #52097 on branch 2.0.x (DOC: improve (dark) theme getting started tutorials) (#52320)
Authored March 31, 2023
Backport PR #51538 on branch 2.0.x (BUG: Timedelta comparisons with very large pytimedeltas overflowing) (#52241)
Authored March 27, 2023
Backport PR #52174 on branch 2.0.x (BUG: to_numeric converting StringArray to object or float64) (#52193)
Authored March 25, 2023
Backport PR #52017 on branch 2.0.x (BUG: Series constructor not respecting CoW when called with BlockManager) (#52275)
Authored March 29, 2023
Backport PR #52068 on branch 2.0.x (CoW: Switch to copy=False everywhere for Series constructor) (#52367)
Authored April 3, 2023
Backport PR #52022 on branch 2.0.x (API / CoW: Copy arrays by default in Series constructor) (#52282)
Authored March 29, 2023
Backport PR #52031 on branch 2.0.x (BUG-CoW: DataFrame constructed from Series not respecting CoW) (#52274)
Authored March 29, 2023
Backport PR #52075 on branch 2.0.x (BUG: Arrow setitem segfaults when len > 145 000) (#52259)
Authored March 28, 2023
Backport PR #52060 on branch 2.0.x (API CoW: Return read_only NumPy array from ravel) (#52273)
Authored March 29, 2023
Backport PR #51731 on branch 2.0.x (API / CoW: Copy NumPy arrays by default in DataFrame constructor) (#52047)
Authored March 17, 2023
Backport PR #52040 on branch 2.0.x (CoW: Optimize Series.reset_index to make lazy copy) (#52050)
Authored March 17, 2023
Backport PR #52029 on branch 2.0.x (BUG-CoW: from_records not tracking references when called with df) (#52055)
Authored March 18, 2023
Backport PR #52260 on branch 2.0.x (CI/DEPS: Correct xfail condition for new pymysql) (#52265)
Authored March 29, 2023
Backport PR #51247 on branch 2.0.x (PERF: Construction of a DatetimeIndex from a list of Timestamp with timezone) (#52045)
Authored March 17, 2023
Backport PR #52076 on branch 2.0.x (BUG: Fix regression when using Series with arrow string array) (#52121)
Authored March 22, 2023
Backport PR #52239 on branch 2.0.x (CI: Try running single_cpu/not single_cpu tests together) (#52292)
Authored March 30, 2023
Backport PR #52057 on branch 2.0.x (PERF: Fix performance regression in read_csv when converting datetimes) (#52278)
Authored March 29, 2023
Backport PR #52054 on branch 2.0.x (PERF: Improve performance with copy=True and different dtype) (#52088)
Authored March 20, 2023
Backport PR #52330 on branch 2.0.x (ENH: Implement .dt.year for ArrowExtensionArray) (#52359)
Authored April 2, 2023
Backport PR #52180 on branch 2.0.x (BUG: to_sql raises when arrow dtype has missing values) (#52185)
Authored March 24, 2023
Backport PR #52276 on branch 2.0.x (API / CoW: Respect CoW for DataFrame(Index)) (#52289)
Authored March 30, 2023
Backport PR #52111 on branch 2.0.x (PERF: DatetimeIndex comparison with Timestamp mismatched resos) (#52160)
Authored March 24, 2023
Backport PR #52058 on branch 2.0.x (BUG: to_sql with ArrowExtesionArray) (#52124)
Authored March 22, 2023
Backport PR #52071: DEPR: Properly enforce group_keys defaulting to False in resample (#52078)
Authored March 19, 2023
Backport PR #52032 on branch 2.0.x (CoW: Set copy=False explicitly internally for Series and DataFrame in io/pytables) (#52049)
Authored March 17, 2023
Backport PR #52220 on branch 2.0.x (BUG: zero-pad shorter years in `Timestamp.isoformat`) (#52327)
Authored March 31, 2023
Backport PR #52308 on branch 2.0.x (TYP: Remove unneeded type ignore) (#52317)
Authored March 31, 2023
Backport PR #52211 on branch 2.0.x (CI: Test pyarrow nightly instead of intermediate versions) (#52313)
Authored March 31, 2023
Backport PR #52107 on branch 2.0.x (CI: Correctly set PANDAS_CI on ubuntu builds) (#52119)
Authored March 22, 2023
Backport PR #52332 on branch 2.0.x (Use date32 for pyarrow date) (#52350)
Authored April 1, 2023
Backport PR #52340 on branch 2.0.x (CI: Bump Circle CI versions) (#52347)
Authored April 1, 2023
Backport PR #52298 on branch 2.0.x (Bump pypa/cibuildwheel from 2.9.0 to 2.12.1) (#52309)
Authored March 30, 2023
RLS: 2.0.0
Authored April 3, 2023
Backport PR #52209 on branch 2.0.x (DOC: getting_started tutorials nbviewer broken link structure fixed) (#52215)
Authored March 26, 2023
Backport PR #52204 on branch 2.0.x (DOC: Update timestamp limitations) (#52255)
Authored March 28, 2023
Backport PR #52304 on branch 2.0.x (DOC: Update link in user guide/style) (#52306)
Authored March 30, 2023

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Top Contributors in v2.0.0

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Directory Browser for v2.0.0

We haven't yet finished calculating and confirming the files and directories changed in this release. Please check back soon.

Release Notes Published

We are pleased to announce the release of pandas 2.0.0, a major release from the pandas 1 series. This release includes some new features, bug fixes, and performance improvements, as well as possible breaking changes. It is recommended that users with existing code upgrade to pandas 1.5.3 before they upgrade to pandas 2, and make sure their code does not generate FutureWarning or DeprecationWarning messages.

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 pandas==2.0.0

Or from conda-forge

mamba install -c conda-forge pandas==2.0.0

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

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