matplotlib/matplotlib: REL: v3.6.0

Highlights of this release include:

• Figure and Axes creation / management
  • subplots, subplot_mosaic accept height_ratios and width_ratios arguments
  • Constrained layout is no longer considered experimental
  • New layout_engine module
  • Compressed layout added for fixed-aspect ratio Axes
  • Layout engines may now be removed
  • Axes.inset_axes flexibility
  • WebP is now a supported output format
  • Garbage collection is no longer run on figure close
• Plotting methods
  • Striped lines (experimental)
  • Custom cap widths in box and whisker plots in bxp and boxplot
  • Easier labelling of bars in bar plot
  • New style format string for colorbar ticks
  • Linestyles for negative contours may be set individually
  • Improved quad contour calculations via ContourPy
  • errorbar supports markerfacecoloralt
  • streamplot can disable streamline breaks
  • New axis scale asinh (experimental)
  • stairs(..., fill=True) hides patch edge by setting linewidth
  • Fix the dash offset of the Patch class
  • Rectangle patch rotation point
• Colors and colormaps
  • Color sequence registry
  • Colormap method for creating a different lookup table size
  • Setting norms with strings
• Titles, ticks, and labels
  • plt.xticks and plt.yticks support minor keyword argument
• Legends
  • Legend can control alignment of title and handles
  • ncol keyword argument to legend renamed to ncols
• Markers
  • marker can now be set to the string "none"
  • Customization of MarkerStyle join and cap style
• Fonts and Text
  • Font fallback
  • List of available font names
  • math_to_image now has a color keyword argument
  • Active URL area rotates with link text
• rcParams improvements
  • Allow setting figure label size and weight globally and separately from title
  • Mathtext parsing can be disabled globally
  • Double-quoted strings in matplotlibrc
• 3D Axes improvements
  • Standardized views for primary plane viewing angles
  • Custom focal length for 3D camera
  • 3D plots gained a 3rd "roll" viewing angle
  • Equal aspect ratio for 3D plots
• Interactive tool improvements
  • Rotation, aspect ratio correction and add/remove state
  • MultiCursor now supports Axes split over multiple figures
  • PolygonSelector bounding boxes
  • Setting PolygonSelector vertices
  • SpanSelector widget can now be snapped to specified values
  • More toolbar icons are styled for dark themes
• Platform-specific changes
  • Wx backend uses standard toolbar
  • Improvements to macosx backend
    • Modifier keys handled more consistently
    • savefig.directory rcParam support
    • figure.raise_window rcParam support
    • Full-screen toggle support
    • Improved animation and blitting support
  • macOS application icon applied on Qt backend
  • New minimum macOS version
  • Windows on ARM support