This is the first release candidate for Matplotlib 3.4.0.

So the tarballs from GitHub are stable.

… bbox_inches='tight'

…545-on-v3.4.xBackport PR#19545 on branch v3.4.x (Replace references to pygtk by pygobject in docs.)

…532-on-v3.4.xBackport PR#19532 on branch v3.4.x (Add note on interaction between text wrapping and bbox_inches='tight')

…567-on-v3.4.xBackport PR#19567 on branch v3.4.x (DOC: fix typos)

…456-on-v3.4.xBackport PR#19456 on branch v3.4.x (Doc implement reredirects)

…587-on-v3.4.xBackport PR#19587 on branch v3.4.x (DOC: fix plot_date doc)

…589-on-v3.4.xBackport PR#19589 on branch v3.4.x (Changes linestyle parameter of flierprops)

…ndex.rst.

…546-on-v3.4.xBackport PR#19546 on branch v3.4.x (Move unrendered README.wx to thirdpartypackages/index.rst.)

…like.

…597-on-v3.4.xBackport PR#19597 on branch v3.4.x (Fix IPython import issue)

…583-on-v3.4.xBackport PR#19583 on branch v3.4.x (FIX: check for a set during color conversion)

…571-on-v3.4.xBackport PR#19571 on branch v3.4.x (Fail early when setting Text color to a non-colorlike.)

…577-on-v3.4.xBackport PR#19577 on branch v3.4.x (Fix "return"->"enter" mapping in key names.)

…cause crash

…596-on-v3.4.xBackport PR#19596 on branch v3.4.x (Fix for issue 17769: wx interactive figure close cause crash)

…548-on-v3.4.xBackport PR#19548 on branch v3.4.x (Increase tolerances for other arches.)

…746-on-v3.4.xBackport PR#19746 on branch v3.4.x (Fix resizing in nbAgg.)

DOC: Prepare API docs for v3.4.0

…762-on-v3.4.xBackport PR#19762 on branch v3.4.x (FIX: do not report that webagg supports blitting)

…766-on-v3.4.xBackport PR#19766 on branch v3.4.x (Set colormap modification removal to 3.6.)

…sistency

…739-on-v3.4.xBackport PR#19739 on branch v3.4.x (Changed 'python -mpip' to 'python -m pip' for consistency)

…757-on-v3.4.xBackport PR#19757 on branch v3.4.x (Fixed python -mpip typo)

…535-on-v3.4.xBackport PR#19535 on branch v3.4.x (Fix example's BasicUnit array conversion.)

Fix deprecation for imread on URLs.

Highlights of this release include:- 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

So the tarballs from GitHub are stable.

…s well.

…719-on-v3.4.xBackport PR#19719 on branch v3.4.x (Respect antialiasing settings in cairo backends as well.)