[Matplotlib-announce] [ANN] Matplotlib 3.5.0

[Elliott Sales de Andrade]

Hi all,

We are pleased to announce the release of Matplotlib 3.5.0.

Pre-built wheels are available for most major platforms, and can be 
installed using `pip install matplotlib==3.5.0`. Wheels are now 
available for Apple Silicon and Python 3.10. Other packages /may/ also 
be available already; please check with your preferred source.

We thank the 144 authors for the 939 pull requests that comprise the 
3.5.0 release.

Highlights of this release include:

  * Figure and Axes creation / management
      o |subplot_mosaic| supports simple Axes sharing
      o Figure now has |draw_without_rendering| method
      o Figure |__init__| passes keyword arguments through to set
  * Plotting methods
      o Add |Annulus| patch
      o |set_data| method for |FancyArrow| patch
      o New arrow styles in |ArrowStyle| and |ConnectionPatch|
      o Setting collection offset transform after initialization
  * Colors and colormaps
      o Colormap registry (experimental)
      o Image interpolation now possible at RGBA stage
      o |imshow| supports half-float arrays
      o A callback registry has been added to |Normalize| objects
  * Titles, ticks, and labels
      o Settings tick positions and labels simultaneously in |set_ticks|
  * Fonts and Text
      o Triple and quadruple dot mathtext accents
      o Font properties of legend title are configurable
      o |Text| and |TextBox| |parse_math| option
      o Text can be positioned inside |TextBox| widget
      o Simplified font setting for |usetex| mode
      o Type 42 subsetting is now enabled for PDF/PS backends
  * rcParams improvements
      o Allow setting default legend |labelcolor| globally
  * 3D Axes improvements
      o |Axes3D| now allows manual control of draw order
      o Allow changing the vertical axis in 3D plots
      o |plot_surface| supports masked arrays and NaNs
      o 3D plotting methods support |data| keyword argument
  * Interactive tool improvements
      o Colorbars now have pan and zoom functionality
      o Updated appearance of |Slider| widgets
      o Selector additions of clearing, dragging, and removal
      o |CallbackRegistry| objects gain a method to temporarily block
        signals
      o Directional sizing cursors
  * Sphinx extensions
      o More configuration of mathmpl sphinx extension
  * Backend-specific improvements
      o New GTK4 backend
      o New Qt6 backend
      o HiDPI support in Cairo-based, GTK, and Tk backends
      o Qt figure options editor improvements
      o WX backends support mouse navigation buttons
      o WebAgg uses asyncio instead of Tornado

For further details, please see the What's new in Matplotlib 3.5.0 page:
https://matplotlib.org/3.5.0/users/whats_new.html
and the milestone on GitHub:
https://github.com/matplotlib/matplotlib/milestone/59?closed=1

For packagers, this release contains some changes to dependencies:

  * NumPy 1.17 is now required.
  * Tk 8.4 is now required, when used.
  * The fontTools package is now required for font subsetting.
  * The underscore LaTeX package is now required for usetex output.
  * Matplotlib-specific build options have moved from setup.cfg to
    mplsetup.cfg, by default.

This release is signed by my GPG key. The fingerprint is:
23CA B59E 3332 F94D 26BE F037 8D86 E7FA E5EB 0C10
and it is also used to sign this message.
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