v0.25.0.rst

What's New in 0.25.0 (April XX, 2019)

Warning

Starting with the 0.25.x series of releases, pandas only supports Python 3.5 and higher. See :ref:`install.dropping-27` for more details.

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These are the changes in pandas 0.25.0. See :ref:`release` for a full changelog including other versions of pandas.

Other Enhancements

Performance Improvements

• Significant speedup in SparseArray initialization that benefits most operations, fixing performance regression introduced in v0.20.0 (:issue:`24985`)

Backwards incompatible API changes

Other API Changes

Deprecations

Removal of prior version deprecations/changes

• Removed (parts of) :class:`Panel` (:issue:`25047`)

Performance Improvements

Bug Fixes

Categorical

Datetimelike

Timedelta

Timezones

Numeric

Conversion

Strings

Interval

Indexing

Missing

MultiIndex

I/O

Plotting

Groupby/Resample/Rolling

Reshaping

• Bug in :func:`merge` when merging by index name would sometimes result in an incorrectly numbered index (:issue:`24212`)
• :func:`to_records` now accepts dtypes to its column_dtypes parameter (:issue:`24895`)

Sparse

• Significant speedup in SparseArray initialization that benefits most operations, fixing performance regression introduced in v0.20.0 (:issue:`24985`)

Other

Contributors

.. contributors:: v0.24.x..HEAD