What’s new in 2.2.2 (April 10, 2024) — pandas 2.2.3 documentation (original) (raw)

These are the changes in pandas 2.2.2. See Release notes for a full changelog including other versions of pandas.

Pandas 2.2.2 is now compatible with numpy 2.0#

Pandas 2.2.2 is the first version of pandas that is generally compatible with the upcoming numpy 2.0 release, and wheels for pandas 2.2.2 will work with both numpy 1.x and 2.x.

One major caveat is that arrays created with numpy 2.0’s new StringDtype will convert to object dtyped arrays upon Series/DataFrame creation. Full support for numpy 2.0’s StringDtype is expected to land in pandas 3.0.

As usual please report any bugs discovered to our issue tracker

Fixed regressions#

• DataFrame.__dataframe__() was producing incorrect data buffers when the a column’s type was a pandas nullable on with missing values (GH 56702)
• DataFrame.__dataframe__() was producing incorrect data buffers when the a column’s type was a pyarrow nullable on with missing values (GH 57664)
• Avoid issuing a spurious DeprecationWarning when a custom DataFrame or Series subclass method is called (GH 57553)
• Fixed regression in precision of to_datetime() with string and unit input (GH 57051)

Bug fixes#

• DataFrame.__dataframe__() was producing incorrect data buffers when the column’s type was nullable boolean (GH 55332)
• DataFrame.__dataframe__() was showing bytemask instead of bitmask for 'string[pyarrow]' validity buffer (GH 57762)
• DataFrame.__dataframe__() was showing non-null validity buffer (instead of None) 'string[pyarrow]' without missing values (GH 57761)
• DataFrame.to_sql() was failing to find the right table when using the schema argument (GH 57539)

Other#

Contributors#

A total of 20 people contributed patches to this release. People with a “+” by their names contributed a patch for the first time.

• Clément Robert
• Elliott Sales de Andrade
• Lumberbot (aka Jack)
• Marc Garcia
• Marco Edward Gorelli
• Marco Gorelli
• Mateusz Sokół
• Matthew Roeschke
• Natalia Mokeeva
• Pandas Development Team
• Sebastian Berg
• Shabab Karim +
• Thomas Baumann
• Thomas Li
• Trinh Quoc Anh +
• William Ayd
• Yuki Kitayama +
• Zhengbo Wang
• dependabot[bot]
• jbrockmendel