[Matplotlib-devel] [Matplotlib-users] [ANN] Matplotlib 3.4.0

Thomas Caswell tcaswell at gmail.com
Sat Mar 27 18:14:47 EDT 2021


Thank you to Elliott for being the release manager and to everyone who
contributed to this release!

Tom


On Fri, Mar 26, 2021 at 9:15 PM Elliott Sales de Andrade <
quantum.analyst at gmail.com> wrote:

> Hi all,
>
> We are pleased to announce the release of 3.4.0.
>
> Pre-built wheels are available for most major platforms, and can be
> installed using `pip install matplotlib==3.4.0`. Starting with this
> release, we now provide wheels for aarch64. Other packages may also be
> available already; please check with your preferred source.
>
> We would like to thank the 177 authors over 772 pull requests for their
> contributions to this release.
>
> Highlights of this release include:
>
>   * Figure and Axes creation / management
>       o New subfigure functionality
>       o Single-line string notation for |subplot_mosaic|
>       o Changes to behavior of Axes creation methods (|gca|, |add_axes|,
>         |add_subplot|)
>       o |add_subplot|/|add_axes| gained an /axes_class/ parameter
>       o Subplot and subplot2grid can now work with constrained layout
>   * Plotting methods
>       o |axline| supports transform parameter
>       o New automatic labeling for bar charts
>       o A list of hatches can be specified to |bar| and |barh|
>       o Setting |BarContainer| orientation
>       o Contour plots now default to using |ScalarFormatter|
>       o |Axes.errorbar| cycles non-color properties correctly
>       o |errorbar| /errorevery/ parameter matches /markevery/
>       o |hexbin| supports data reference for /C/ parameter
>       o Support callable for formatting of Sankey labels
>       o |Axes.spines| access shortcuts
>       o New |stairs| method and |StepPatch| artist
>       o Added /orientation/ parameter for stem plots
>       o Angles on Bracket arrow styles
>       o |TickedStroke| patheffect
>   * Colors and colormaps
>       o Collection color specification and mapping
>       o Transparency (alpha) can be set as an array in collections
>       o pcolormesh has improved transparency handling by enabling snapping
>       o IPython representations for Colormap objects
>       o |Colormap.set_extremes| and |Colormap.with_extremes|
>       o Get under/over/bad colors of Colormap objects
>       o New |cm.unregister_cmap| function
>       o New |CenteredNorm| for symmetrical data around a center
>       o New |FuncNorm| for arbitrary normalizations
>       o GridSpec-based colorbars can now be positioned above or to the
>         left of the main axes
>   * Titles, ticks, and labels
>       o supxlabel and supylabel
>       o Shared-axes |subplots| tick label visibility is now correct for
>         top or left labels
>       o An iterable object with labels can be passed to |Axes.plot|
>   * Fonts and Text
>       o Text transform can rotate text direction
>       o |matplotlib.mathtext| now supports /overset/ and /underset/
>         LaTeX symbols
>       o /math_fontfamily/ parameter to change |Text| font family
>       o |TextArea|/|AnchoredText| support /horizontalalignment/
>       o PDF supports URLs on Text artists
>   * rcParams improvements
>       o New rcParams for dates: set converter and whether to use
>         interval_multiples
>       o Date formatters now respect /usetex/ rcParam
>       o Setting /image.cmap/ to a Colormap
>       o Tick and tick label colors can be set independently using rcParams
>   * 3D Axes improvements
>       o Errorbar method in 3D Axes
>       o Stem plots in 3D Axes
>       o 3D Collection properties are now modifiable
>       o Panning in 3D Axes
>   * Interactive tool improvements
>       o New |RangeSlider| widget
>       o Sliders can now snap to arbitrary values
>       o Pausing and Resuming Animations
>   * Sphinx extensions
>       o |plot_directive| /caption/ option
>   * Backend-specific improvements
>       o Consecutive rasterized draws now merged
>       o Support raw/rgba frame format in |FFMpegFileWriter|
>       o nbAgg/WebAgg support middle-click and double-click
>       o nbAgg support binary communication
>       o Indexed color for PNG images in PDF files when possible
>       o Improved font subsettings in PDF/PS
>       o Kerning added to strings in PDFs
>       o Fully-fractional HiDPI in QtAgg
>       o wxAgg supports fullscreen toggle
>
> For further details, please see the What's new in Matplotlib 3.4.0 page:
> https://matplotlib.org/3.4.0/users/whats_new.html
> and the milestone on GitHub:
> https://github.com/matplotlib/matplotlib/milestone/53?closed=1
>
> For packagers, this release contains some changes to dependencies:
>
>   * Qhull is downloaded while building the sdist (if you are not using
>     the sdist). If compiling against the system Qhull, then the
>     reentrant version is required.
>
> 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.
>
>
> _______________________________________________
> Matplotlib-users mailing list
> Matplotlib-users at python.org
> https://mail.python.org/mailman/listinfo/matplotlib-users
>


-- 
Thomas Caswell
tcaswell at gmail.com
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