We are pleased to announce the issue of the first release candidate for
3.3.0. Please test widely so that we may correct any bugs before the
Pre-built wheels are available for most major platforms, and can be
installed using `pip install matplotlib==3.3.0rc1`. Other packages may
also be available already; please check with your preferred source.
The 3.3.0 release represents the work of 150 authors over 992 pull
requests, and we thank them for their contributions.
Some highlights of this release include:
* Adds provisional API for composing semantic axes layouts from text
or nested lists.
For a detailed tutorial, see
https://matplotlib.org/3.3.0/tutorials/provisional/mosaic.html * Adds Turbo colormap, a spectral map
(purple-blue-green-yellow-orange-red) with a bright center and
darker endpoints, and is a smoother alternative to jet. See
https://ai.googleblog.com/2019/08/turbo-improved-rainbow-colormap-for.html * Adds axline, a method for drawing infinite lines.
* Axes3D supports minor ticks, view navigation buttons, and an
improved aspect ratio.
* Dates now use a modern epoch, enabling improved precision for recent
* Tick formatters now accept str or function inputs.
* The pcolor and pcolormesh methods now accept shading='nearest' and
* The alignment of titles and Axis labels can now be controlled more
* The text color for legend labels can now be set, either as a whole,
or individually based on the corresponding item.
* Improved support for metadata when saving SVG or PDF.
* Improved interactive tools and toolbar in various backends.