- specfile:
  * update numpy requirement
  * removed patch no-builddir-freetype.patch and instead put the source files directly into a
    directory that works with the current build system
  * also added qhull source code (which otherwise the build process tries to download)
- update to version 3.4.1:
  * fix errorbar when specifying fillstyle
  * fix Inkscape cleanup at exit on Windows for tests
  * fix legends of colour-mapped scatter plots
  * fix positioning of annotation fancy arrows
  * fix size and color rendering for 3D scatter plots
  * fix suptitle manual positioning when using constrained layout
  * respect antialiasing settings in cairo backends as well
- changes from version 3.4.0:
  * Figure and Axes creation / management
    + New subfigure functionality
    + Single-line string notation for subplot_mosaic
    + Changes to behavior of Axes creation methods (gca, add_axes,
      add_subplot)
    + add_subplot/add_axes gained an axes_class parameter
    + Subplot and subplot2grid can now work with constrained layout
  * Plotting methods
    + axline supports transform parameter
    + New automatic labeling for bar charts
    + A list of hatches can be specified to bar and barh
    + Setting BarContainer orientation
    + Contour plots now default to using ScalarFormatter
    + Axes.errorbar cycles non-color properties correctly
    + errorbar errorevery parameter matches markevery
    + hexbin supports data reference for C parameter
    + Support callable for formatting of Sankey labels
    + Axes.spines access shortcuts
    + New stairs method and StepPatch artist
    + Added orientation parameter for stem plots
    + Angles on Bracket arrow styles
    + TickedStroke patheffect
  * Colors and colormaps
    + Collection color specification and mapping
    + Transparency (alpha) can be set as an array in collections
    + pcolormesh has improved transparency handling by enabling
      snapping
    + IPython representations for Colormap objects
    + Colormap.set_extremes and Colormap.with_extremes
    + Get under/over/bad colors of Colormap objects
    + New cm.unregister_cmap function
    + New CenteredNorm for symmetrical data around a center
    + New FuncNorm for arbitrary normalizations
    + GridSpec-based colorbars can now be positioned above or to the
      left of the main axes
  * Titles, ticks, and labels
    + supxlabel and supylabel
    + Shared-axes subplots tick label visibility is now correct for
      top or left labels
    + An iterable object with labels can be passed to Axes.plot
  * Fonts and Text
    + Text transform can rotate text direction
    + matplotlib.mathtext now supports overset and underset LaTeX
      symbols
    + math_fontfamily parameter to change Text font family
    + TextArea/AnchoredText support horizontalalignment
    + PDF supports URLs on Text artists
  * rcParams improvements
    + New rcParams for dates: set converter and whether to use
      interval_multiples
    + Date formatters now respect usetex rcParam
    + Setting image.cmap to a Colormap
    + Tick and tick label colors can be set independently using
      rcParams
  * 3D Axes improvements
    + Errorbar method in 3D Axes
    + Stem plots in 3D Axes
    + 3D Collection properties are now modifiable
    + Panning in 3D Axes
  * Interactive tool improvements
    + New RangeSlider widget
    + Sliders can now snap to arbitrary values
    + Pausing and Resuming Animations
  * Sphinx extensions
    + plot_directive caption option
  * Backend-specific improvements
    + Consecutive rasterized draws now merged
    + Support raw/rgba frame format in FFMpegFileWriter
    + nbAgg/WebAgg support middle-click and double-click
    + nbAgg support binary communication
    + Indexed color for PNG images in PDF files when possible
    + Improved font subsettings in PDF/PS
    + Kerning added to strings in PDFs
    + Fully-fractional HiDPI in QtAgg
    + wxAgg supports fullscreen toggle

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