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<ul>
<li><a class="reference internal" href="#">API Changes</a><ul>
<li><a class="reference internal" href="#api-changes-for-3-3-0">API Changes for 3.3.0</a><ul>
<li><a class="reference internal" href="#behaviour-changes">Behaviour changes</a><ul>
<li><a class="reference internal" href="#formatter-fix-minus"><code class="docutils literal notranslate"><span class="pre">Formatter.fix_minus</span></code></a></li>
<li><a class="reference internal" href="#figurecanvasbase-now-always-has-a-manager-attribute-which-may-be-none"><code class="docutils literal notranslate"><span class="pre">FigureCanvasBase</span></code> now always has a <code class="docutils literal notranslate"><span class="pre">manager</span></code> attribute, which may be None</a></li>
<li><a class="reference internal" href="#cbook-callbackregistry-now-propagates-exceptions-when-no-gui-event-loop-is-running"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.CallbackRegistry</span></code> now propagates exceptions when no GUI event loop is running</a></li>
<li><a class="reference internal" href="#axes-locator-params-validates-axis-parameter"><code class="docutils literal notranslate"><span class="pre">Axes.locator_params()</span></code> validates <code class="docutils literal notranslate"><span class="pre">axis</span></code> parameter</a></li>
<li><a class="reference internal" href="#axis-set-tick-params-validates-which-parameter"><code class="docutils literal notranslate"><span class="pre">Axis.set_tick_params()</span></code> validates <code class="docutils literal notranslate"><span class="pre">which</span></code> parameter</a></li>
<li><a class="reference internal" href="#axis-set-ticklabels-must-match-fixedlocator-locs"><code class="docutils literal notranslate"><span class="pre">Axis.set_ticklabels()</span></code> must match <code class="docutils literal notranslate"><span class="pre">FixedLocator.locs</span></code></a></li>
<li><a class="reference internal" href="#backend-pgf-latexmanager-latex"><code class="docutils literal notranslate"><span class="pre">backend_pgf.LatexManager.latex</span></code></a></li>
<li><a class="reference internal" href="#pyplot-xticks-and-pyplot-yticks"><code class="docutils literal notranslate"><span class="pre">pyplot.xticks()</span></code> and <code class="docutils literal notranslate"><span class="pre">pyplot.yticks()</span></code></a></li>
<li><a class="reference internal" href="#setting-the-same-property-under-multiple-aliases-now-raises-a-typeerror">Setting the same property under multiple aliases now raises a TypeError</a></li>
<li><a class="reference internal" href="#filemoviewriter-temporary-frames-directory"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FileMovieWriter</span></code> temporary frames directory</a></li>
<li><a class="reference internal" href="#axes-plot-no-longer-accepts-x-and-y-being-both-2d-and-with-different-numbers-of-columns"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.plot</span></code> no longer accepts <em>x</em> and <em>y</em> being both 2D and with different numbers of columns</a></li>
<li><a class="reference internal" href="#text-update-from-now-copies-usetex-state-from-the-source-text"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Text.update_from</span></code> now copies usetex state from the source Text</a></li>
<li><a class="reference internal" href="#stem-now-defaults-to-use-line-collection-true"><code class="xref py py-obj docutils literal notranslate"><span class="pre">stem</span></code> now defaults to <code class="docutils literal notranslate"><span class="pre">use_line_collection=True</span></code></a></li>
<li><a class="reference internal" href="#rcparams-color-validator-is-now-stricter">rcParams color validator is now stricter</a></li>
<li><a class="reference internal" href="#symlognorm-now-has-a-base-parameter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">SymLogNorm</span></code> now has a <em>base</em> parameter</a></li>
<li><a class="reference internal" href="#errorbar-now-color-cycles-when-only-errorbar-color-is-set"><code class="xref py py-obj docutils literal notranslate"><span class="pre">errorbar</span></code> now color cycles when only errorbar color is set</a></li>
<li><a class="reference internal" href="#rcsetup-validate-color-for-prop-cycle-now-always-raises-typeerror-for-bytes-input"><code class="xref py py-obj docutils literal notranslate"><span class="pre">rcsetup.validate_color_for_prop_cycle</span></code> now always raises TypeError for bytes input</a></li>
<li><a class="reference internal" href="#figurecanvasps-print-ps-and-figurecanvasps-print-eps-no-longer-apply-edgecolor-and-facecolor"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FigureCanvasPS.print_ps</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">FigureCanvasPS.print_eps</span></code> no longer apply edgecolor and facecolor</a></li>
<li><a class="reference internal" href="#pyplot-subplot-now-raises-typeerror-when-given-an-incorrect-number-of-arguments"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.subplot()</span></code> now raises TypeError when given an incorrect number of arguments</a></li>
<li><a class="reference internal" href="#shortcut-for-closing-all-figures">Shortcut for closing all figures</a></li>
<li><a class="reference internal" href="#autoscale-for-arrow">Autoscale for arrow</a></li>
<li><a class="reference internal" href="#set-tick-params-label1on-false-now-also-makes-the-offset-text-if-any-invisible"><code class="docutils literal notranslate"><span class="pre">set_tick_params(label1On=False)</span></code> now also makes the offset text (if any) invisible</a></li>
<li><a class="reference internal" href="#axes-annotate-and-pyplot-annotate-parameter-name-changed"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.annotate</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.annotate</span></code> parameter name changed</a></li>
<li><a class="reference internal" href="#font-manager-json-dump-now-locks-the-font-manager-dump-file"><code class="xref py py-obj docutils literal notranslate"><span class="pre">font_manager.json_dump</span></code> now locks the font manager dump file</a></li>
<li><a class="reference internal" href="#pyplot-rgrids-and-pyplot-thetagrids-now-act-as-setters-also-when-called-with-only-kwargs"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.rgrids</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.thetagrids</span></code> now act as setters also when called with only kwargs</a></li>
<li><a class="reference internal" href="#axis-get-minorticklabels-and-axis-get-majorticklabels-now-returns-plain-list"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis.get_minorticklabels</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis.get_majorticklabels</span></code> now returns plain list</a></li>
<li><a class="reference internal" href="#default-slider-formatter">Default slider formatter</a></li>
<li><a class="reference internal" href="#add-normalize-keyword-argument-to-axes-pie">Add <em>normalize</em> keyword argument to <code class="docutils literal notranslate"><span class="pre">Axes.pie</span></code></a></li>
<li><a class="reference internal" href="#table-customcell-is-now-an-alias-for-table-cell"><code class="docutils literal notranslate"><span class="pre">table.CustomCell</span></code> is now an alias for <code class="xref py py-obj docutils literal notranslate"><span class="pre">table.Cell</span></code></a></li>
<li><a class="reference internal" href="#wx-timer-interval">wx Timer interval</a></li>
<li><a class="reference internal" href="#step-type-histograms-default-to-the-zorder-of-line2d">"step"-type histograms default to the zorder of <code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D</span></code></a></li>
<li><a class="reference internal" href="#legend-and-offsetbox-visibility"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Legend</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">OffsetBox</span></code> visibility</a></li>
<li><a class="reference internal" href="#legend-and-table-no-longer-allow-invalid-locations"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Legend</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">Table</span></code> no longer allow invalid locations</a></li>
<li><a class="reference internal" href="#passing-line2d-s-drawstyle-together-with-linestyle-is-removed">Passing Line2D's <em>drawstyle</em> together with <em>linestyle</em> is removed</a></li>
<li><a class="reference internal" href="#upper-case-color-strings">Upper case color strings</a></li>
<li><a class="reference internal" href="#tight-constrained-layout-no-longer-worry-about-titles-that-are-too-wide">tight/constrained_layout no longer worry about titles that are too wide</a></li>
<li><a class="reference internal" href="#rcparams-savefig-facecolor-default-auto-and-rcparams-savefig-edgecolor-default-auto-now-default-to-auto"><code class="docutils literal notranslate"><span class="pre">rcParams["savefig.facecolor"]</span></code> (default: <code class="docutils literal notranslate"><span class="pre">'auto'</span></code>) and <code class="docutils literal notranslate"><span class="pre">rcParams["savefig.edgecolor"]</span></code> (default: <code class="docutils literal notranslate"><span class="pre">'auto'</span></code>) now default to "auto"</a></li>
<li><a class="reference internal" href="#when-using-a-single-dataset-axes-hist-no-longer-wraps-the-added-artist-in-a-silent-list">When using a single dataset, <code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.hist</span></code> no longer wraps the added artist in a <code class="xref py py-obj docutils literal notranslate"><span class="pre">silent_list</span></code></a></li>
<li><a class="reference internal" href="#qt-and-wx-backends-no-longer-create-a-status-bar-by-default">Qt and wx backends no longer create a status bar by default</a></li>
<li><a class="reference internal" href="#rcparams-text-hinting-default-force-autohint-now-supports-names-mapping-to-freetype-flags"><code class="docutils literal notranslate"><span class="pre">rcParams["text.hinting"]</span></code> (default: <code class="docutils literal notranslate"><span class="pre">'force_autohint'</span></code>) now supports names mapping to FreeType flags</a></li>
<li><a class="reference internal" href="#cbook-get-sample-data-auto-loads-numpy-arrays"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.get_sample_data</span></code> auto-loads numpy arrays</a></li>
<li><a class="reference internal" href="#get-text-width-height-descent-now-checks-ismath-rather-than-rcparams-text-usetex-default-false"><code class="docutils literal notranslate"><span class="pre">get_text_width_height_descent</span></code> now checks <code class="docutils literal notranslate"><span class="pre">ismath</span></code> rather than <code class="docutils literal notranslate"><span class="pre">rcParams["text.usetex"]</span></code> (default: <code class="docutils literal notranslate"><span class="pre">False</span></code>)</a></li>
<li><a class="reference internal" href="#axes-vlines-axes-hlines-pyplot-vlines-and-pyplot-hlines-colors-parameter-default-change"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.vlines</span></code>, <code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.hlines</span></code>, <code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.vlines</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.hlines</span></code> <em>colors</em> parameter default change</a></li>
<li><a class="reference internal" href="#aggressively-autoscale-clim-in-scalermappable-classes">Aggressively autoscale clim in <code class="docutils literal notranslate"><span class="pre">ScalerMappable</span></code> classes</a></li>
</ul>
</li>
<li><a class="reference internal" href="#deprecations">Deprecations</a><ul>
<li><a class="reference internal" href="#figure-add-axes-without-arguments"><code class="docutils literal notranslate"><span class="pre">figure.add_axes()</span></code> without arguments</a></li>
<li><a class="reference internal" href="#backend-wx-debug-msg"><code class="docutils literal notranslate"><span class="pre">backend_wx.DEBUG_MSG</span></code></a></li>
<li><a class="reference internal" href="#colorbar-config-axis"><code class="docutils literal notranslate"><span class="pre">Colorbar.config_axis()</span></code></a></li>
<li><a class="reference internal" href="#nonuniformimage-is-grayscale-and-pcolorimage-is-grayscale"><code class="docutils literal notranslate"><span class="pre">NonUniformImage.is_grayscale</span></code> and <code class="docutils literal notranslate"><span class="pre">PcolorImage.is_grayscale</span></code></a></li>
<li><a class="reference internal" href="#den-parameter-and-attribute-to-mpl-toolkits-axisartist-angle-helper"><code class="docutils literal notranslate"><span class="pre">den</span></code> parameter and attribute to <code class="xref py py-mod docutils literal notranslate"><span class="pre">mpl_toolkits.axisartist.angle_helper</span></code></a></li>
<li><a class="reference internal" href="#backend-pgf-latexmanager-latex-stdin-utf8"><code class="docutils literal notranslate"><span class="pre">backend_pgf.LatexManager.latex_stdin_utf8</span></code></a></li>
<li><a class="reference internal" href="#flags-containing-u-passed-to-cbook-to-filehandle-and-cbook-open-file-cm">Flags containing "U" passed to <code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.to_filehandle</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.open_file_cm</span></code></a></li>
<li><a class="reference internal" href="#pdf-and-ps-character-tracking-internals">PDF and PS character tracking internals</a></li>
<li><a class="reference internal" href="#case-insensitive-capstyles-and-joinstyles">Case-insensitive capstyles and joinstyles</a></li>
<li><a class="reference internal" href="#passing-raw-data-to-register-cmap">Passing raw data to <code class="docutils literal notranslate"><span class="pre">register_cmap()</span></code></a></li>
<li><a class="reference internal" href="#dateformatter-illegal-s"><code class="docutils literal notranslate"><span class="pre">DateFormatter.illegal_s</span></code></a></li>
<li><a class="reference internal" href="#widgets-textbox-params-to-disable"><code class="docutils literal notranslate"><span class="pre">widgets.TextBox.params_to_disable</span></code></a></li>
<li><a class="reference internal" href="#revert-deprecation-min-max-keyword-arguments-to-set-x-y-zlim-3d">Revert deprecation *min, *max keyword arguments to <code class="docutils literal notranslate"><span class="pre">set_x/y/zlim_3d()</span></code></a></li>
<li><a class="reference internal" href="#cbook-local-over-kwdict"><code class="docutils literal notranslate"><span class="pre">cbook.local_over_kwdict</span></code></a></li>
<li><a class="reference internal" href="#passing-both-singular-and-plural-colors-linewidths-linestyles-to-axes-eventplot">Passing both singular and plural <em>colors</em>, <em>linewidths</em>, <em>linestyles</em> to <code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.eventplot</span></code></a></li>
<li><a class="reference internal" href="#setting-rcparams-text-latex-preamble-default-or-rcparams-pdf-preamble-to-non-strings">Setting <code class="docutils literal notranslate"><span class="pre">rcParams["text.latex.preamble"]</span></code> (default: <code class="docutils literal notranslate"><span class="pre">''</span></code>) or <code class="docutils literal notranslate"><span class="pre">rcParams["pdf.preamble"]</span></code> to non-strings</a></li>
<li><a class="reference internal" href="#parameters-norm-and-vmin-vmax-should-not-be-used-simultaneously">Parameters <em>norm</em> and <em>vmin</em>/<em>vmax</em> should not be used simultaneously</a></li>
<li><a class="reference internal" href="#effectless-parameters-of-figure-colorbar-and-matplotlib-colorbar-colorbar">Effectless parameters of <code class="xref py py-obj docutils literal notranslate"><span class="pre">Figure.colorbar</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.colorbar.Colorbar</span></code></a></li>
<li><a class="reference internal" href="#args-key-and-exec-key-attributes-of-builtin-moviewriters"><code class="docutils literal notranslate"><span class="pre">args_key</span></code> and <code class="docutils literal notranslate"><span class="pre">exec_key</span></code> attributes of builtin <code class="xref py py-obj docutils literal notranslate"><span class="pre">MovieWriter</span></code>s</a></li>
<li><a class="reference internal" href="#unused-parameters">Unused parameters</a></li>
<li><a class="reference internal" href="#passing-props-to-shadow">Passing <em>props</em> to <code class="xref py py-obj docutils literal notranslate"><span class="pre">Shadow</span></code></a></li>
<li><a class="reference internal" href="#axes-update-datalim-bounds"><code class="docutils literal notranslate"><span class="pre">Axes.update_datalim_bounds</span></code></a></li>
<li><a class="reference internal" href="#symmetrical-logscale-inverted-logtransform"><code class="docutils literal notranslate"><span class="pre">{,Symmetrical}LogScale.{,Inverted}LogTransform</span></code></a></li>
<li><a class="reference internal" href="#texmanager-cachedir-texmanager-rgba-arrayd"><code class="docutils literal notranslate"><span class="pre">TexManager.cachedir</span></code>, <code class="docutils literal notranslate"><span class="pre">TexManager.rgba_arrayd</span></code></a></li>
<li><a class="reference internal" href="#setting-line2d-s-pickradius-via-line2d-set-picker">Setting <code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D</span></code>'s pickradius via <code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D.set_picker</span></code></a></li>
<li><a class="reference internal" href="#artist-set-contains-artist-get-contains"><code class="docutils literal notranslate"><span class="pre">Artist.set_contains</span></code>, <code class="docutils literal notranslate"><span class="pre">Artist.get_contains</span></code></a></li>
<li><a class="reference internal" href="#colorbar-methods"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Colorbar</span></code> methods</a></li>
<li><a class="reference internal" href="#oldscalarformatter-indexformatter-and-dateindexformatter"><code class="docutils literal notranslate"><span class="pre">OldScalarFormatter</span></code>, <code class="docutils literal notranslate"><span class="pre">IndexFormatter</span></code> and <code class="docutils literal notranslate"><span class="pre">DateIndexFormatter</span></code></a></li>
<li><a class="reference internal" href="#oldautolocator"><code class="docutils literal notranslate"><span class="pre">OldAutoLocator</span></code></a></li>
<li><a class="reference internal" href="#required-forbidden-and-allowed-parameters-of-cbook-normalize-kwargs"><em>required</em>, <em>forbidden</em> and <em>allowed</em> parameters of <code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.normalize_kwargs</span></code></a></li>
<li><a class="reference internal" href="#the-ttfpath-and-afmpath-environment-variables">The <code class="docutils literal notranslate"><span class="pre">TTFPATH</span></code> and <code class="docutils literal notranslate"><span class="pre">AFMPATH</span></code> environment variables</a></li>
<li><a class="reference internal" href="#matplotlib-compat"><code class="docutils literal notranslate"><span class="pre">matplotlib.compat</span></code></a></li>
<li><a class="reference internal" href="#matplotlib-backends-qt-editor-formsubplottool"><code class="docutils literal notranslate"><span class="pre">matplotlib.backends.qt_editor.formsubplottool</span></code></a></li>
<li><a class="reference internal" href="#avconv-animation-writer-deprecated">AVConv animation writer deprecated</a></li>
<li><a class="reference internal" href="#log-symlog-scale-base-ticks-and-nonpos-specification">log/symlog scale base, ticks, and nonpos specification</a></li>
<li><a class="reference internal" href="#draggablebase-artist-picker"><code class="docutils literal notranslate"><span class="pre">DraggableBase.artist_picker</span></code></a></li>
<li><a class="reference internal" href="#clear-temp-parameter-and-attribute-of-filemoviewriter"><em>clear_temp</em> parameter and attribute of <code class="xref py py-obj docutils literal notranslate"><span class="pre">FileMovieWriter</span></code></a></li>
<li><a class="reference internal" href="#deprecated-rcparams-validators">Deprecated rcParams validators</a></li>
<li><a class="reference internal" href="#stricter-rcparam-validation">Stricter rcParam validation</a></li>
<li><a class="reference internal" href="#add-subplot-validates-its-inputs"><code class="docutils literal notranslate"><span class="pre">add_subplot()</span></code> validates its inputs</a></li>
<li><a class="reference internal" href="#toggling-axes-navigation-from-the-keyboard-using-a-and-digit-keys">Toggling axes navigation from the keyboard using "a" and digit keys</a></li>
<li><a class="reference internal" href="#matplotlib-test-recursionlimit"><code class="docutils literal notranslate"><span class="pre">matplotlib.test(recursionlimit=...)</span></code></a></li>
<li><a class="reference internal" href="#mathtext-glues">mathtext glues</a></li>
<li><a class="reference internal" href="#signatures-of-artist-draw-and-axes-draw">Signatures of <code class="xref py py-obj docutils literal notranslate"><span class="pre">Artist.draw</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.draw</span></code></a></li>
<li><a class="reference internal" href="#draggablebase-on-motion-blit"><code class="docutils literal notranslate"><span class="pre">DraggableBase.on_motion_blit</span></code></a></li>
<li><a class="reference internal" href="#passing-the-dash-offset-as-none">Passing the dash offset as None</a></li>
<li><a class="reference internal" href="#renderercairo-fontweights-renderercairo-fontangles"><code class="docutils literal notranslate"><span class="pre">RendererCairo.fontweights</span></code>, <code class="docutils literal notranslate"><span class="pre">RendererCairo.fontangles</span></code></a></li>
<li><a class="reference internal" href="#autofmt-xdate-which-none"><code class="docutils literal notranslate"><span class="pre">autofmt_xdate(which=None)</span></code></a></li>
<li><a class="reference internal" href="#jpeg-options">JPEG options</a></li>
<li><a class="reference internal" href="#dviread-encoding"><code class="docutils literal notranslate"><span class="pre">dviread.Encoding</span></code></a></li>
<li><a class="reference internal" href="#axis-and-locator-pan-and-zoom">Axis and Locator <code class="docutils literal notranslate"><span class="pre">pan</span></code> and <code class="docutils literal notranslate"><span class="pre">zoom</span></code></a></li>
<li><a class="reference internal" href="#passing-none-to-various-axes-subclass-factories">Passing None to various Axes subclass factories</a></li>
<li><a class="reference internal" href="#axes-rgb"><code class="docutils literal notranslate"><span class="pre">axes_rgb</span></code></a></li>
<li><a class="reference internal" href="#substitution-from-params"><code class="docutils literal notranslate"><span class="pre">Substitution.from_params</span></code></a></li>
<li><a class="reference internal" href="#pgf-backend-cleanups">PGF backend cleanups</a></li>
<li><a class="reference internal" href="#set-factor-method-of-mpl-toolkits-axisartist-locators"><code class="docutils literal notranslate"><span class="pre">set_factor</span></code> method of <code class="xref py py-mod docutils literal notranslate"><span class="pre">mpl_toolkits.axisartist</span></code> locators</a></li>
<li><a class="reference internal" href="#widgets-subplottool-callbacks-and-axes"><code class="xref py py-obj docutils literal notranslate"><span class="pre">widgets.SubplotTool</span></code> callbacks and axes</a></li>
<li><a class="reference internal" href="#mathtext-glue-helper-classes">mathtext <code class="docutils literal notranslate"><span class="pre">Glue</span></code> helper classes</a></li>
<li><a class="reference internal" href="#navigationtoolbar2-init-toolbar">NavigationToolbar2._init_toolbar</a></li>
<li><a class="reference internal" href="#navigationtoolbar2qt-parent-and-basedir">NavigationToolbar2QT.parent and .basedir</a></li>
<li><a class="reference internal" href="#navigationtoolbar2qt-ctx">NavigationToolbar2QT.ctx</a></li>
<li><a class="reference internal" href="#navigationtoolbar2wx-attributes">NavigationToolbar2Wx attributes</a></li>
<li><a class="reference internal" href="#navigationtoolbar2-press-and-release">NavigationToolbar2.press and .release</a></li>
<li><a class="reference internal" href="#figurecanvasgtk3-renderer-init">FigureCanvasGTK3._renderer_init</a></li>
<li><a class="reference internal" href="#path-helpers-in-bezier">Path helpers in <code class="xref py py-mod docutils literal notranslate"><span class="pre">bezier</span></code></a></li>
<li><a class="reference internal" href="#animation-html-args-rcparam"><code class="docutils literal notranslate"><span class="pre">animation.html_args</span></code> rcParam</a></li>
<li><a class="reference internal" href="#text-latex-preview-rcparam"><code class="docutils literal notranslate"><span class="pre">text.latex.preview</span></code> rcParam</a></li>
<li><a class="reference internal" href="#subplotspec-get-rows-columns"><code class="docutils literal notranslate"><span class="pre">SubplotSpec.get_rows_columns</span></code></a></li>
<li><a class="reference internal" href="#qt4-based-backends">Qt4-based backends</a></li>
<li><a class="reference internal" href="#fontdict-and-minor-parameters-of-axes-set-xticklabels-and-axes-set-yticklabels-will-become-keyword-only"><em>fontdict</em> and <em>minor</em> parameters of <code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.set_xticklabels</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.set_yticklabels</span></code> will become keyword-only</a></li>
<li><a class="reference internal" href="#all-parameters-of-figure-subplots-except-nrows-and-ncols-will-become-keyword-only">All parameters of <code class="xref py py-obj docutils literal notranslate"><span class="pre">Figure.subplots</span></code> except <em>nrows</em> and <em>ncols</em> will become keyword-only</a></li>
<li><a class="reference internal" href="#rendererwx-get-gc"><code class="docutils literal notranslate"><span class="pre">RendererWx.get_gc</span></code></a></li>
<li><a class="reference internal" href="#add-all-parameter-in-axes-grid"><em>add_all</em> parameter in <code class="docutils literal notranslate"><span class="pre">axes_grid</span></code></a></li>
<li><a class="reference internal" href="#bboxbase-inverse-transformed"><code class="docutils literal notranslate"><span class="pre">BboxBase.inverse_transformed</span></code></a></li>
<li><a class="reference internal" href="#orientation-of-eventplot-and-eventcollection"><em>orientation</em> of <code class="docutils literal notranslate"><span class="pre">eventplot()</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">EventCollection</span></code></a></li>
<li><a class="reference internal" href="#minor-kwarg-to-axis-get-ticklocs-will-become-keyword-only"><em>minor</em> kwarg to <code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis.get_ticklocs</span></code> will become keyword-only</a></li>
<li><a class="reference internal" href="#case-insensitive-properties">Case-insensitive properties</a></li>
<li><a class="reference internal" href="#contourset-ax-quiver-ax"><code class="docutils literal notranslate"><span class="pre">ContourSet.ax</span></code>, <code class="docutils literal notranslate"><span class="pre">Quiver.ax</span></code></a></li>
<li><a class="reference internal" href="#locator-refresh-and-associated-methods"><code class="docutils literal notranslate"><span class="pre">Locator.refresh()</span></code> and associated methods</a></li>
<li><a class="reference internal" href="#scalarmappable-checkers"><code class="xref py py-obj docutils literal notranslate"><span class="pre">ScalarMappable</span></code> checkers</a></li>
<li><a class="reference internal" href="#pyplot-tight-layout-and-colorbarbase-parameters-will-become-keyword-only"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.tight_layout</span></code> and <code class="docutils literal notranslate"><span class="pre">ColorbarBase</span></code> parameters will become keyword-only</a></li>
<li><a class="reference internal" href="#axes-pie-radius-and-startangle"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.pie</span></code> radius and startangle</a></li>
<li><a class="reference internal" href="#axisartist-dpi-transform"><code class="docutils literal notranslate"><span class="pre">AxisArtist.dpi_transform</span></code></a></li>
<li><a class="reference internal" href="#offset-position-property-of-collection"><code class="docutils literal notranslate"><span class="pre">offset_position</span></code> property of <code class="xref py py-obj docutils literal notranslate"><span class="pre">Collection</span></code></a></li>
<li><a class="reference internal" href="#testing-compare-make-external-conversion-command"><code class="docutils literal notranslate"><span class="pre">testing.compare.make_external_conversion_command</span></code></a></li>
<li><a class="reference internal" href="#epoch2num-and-num2epoch-are-deprecated"><code class="xref py py-obj docutils literal notranslate"><span class="pre">epoch2num</span></code> and <code class="xref py py-obj docutils literal notranslate"><span class="pre">num2epoch</span></code> are deprecated</a></li>
<li><a class="reference internal" href="#axes-grid1-cbaraxes-attributes"><code class="docutils literal notranslate"><span class="pre">axes_grid1.CbarAxes</span></code> attributes</a></li>
<li><a class="reference internal" href="#qt-compat-is-pyqt5"><code class="docutils literal notranslate"><span class="pre">qt_compat.is_pyqt5</span></code></a></li>
<li><a class="reference internal" href="#reordering-of-parameters-by-artist-set">Reordering of parameters by <code class="xref py py-obj docutils literal notranslate"><span class="pre">Artist.set</span></code></a></li>
<li><a class="reference internal" href="#passing-multiple-keys-as-a-single-comma-separated-string-or-multiple-arguments-to-toolmanager-update-keymap">Passing multiple keys as a single comma-separated string or multiple arguments to <code class="xref py py-obj docutils literal notranslate"><span class="pre">ToolManager.update_keymap</span></code></a></li>
<li><a class="reference internal" href="#statusbar-classes-and-attributes">Statusbar classes and attributes</a></li>
<li><a class="reference internal" href="#ismath-parameter-of-draw-tex"><code class="docutils literal notranslate"><span class="pre">ismath</span></code> parameter of <code class="docutils literal notranslate"><span class="pre">draw_tex</span></code></a></li>
<li><a class="reference internal" href="#matplotlib-ttconv"><code class="docutils literal notranslate"><span class="pre">matplotlib.ttconv</span></code></a></li>
<li><a class="reference internal" href="#stricter-pdf-metadata-keys-in-pgf">Stricter PDF metadata keys in PGF</a></li>
<li><a class="reference internal" href="#qt-modifier-keys">Qt modifier keys</a></li>
<li><a class="reference internal" href="#texmanager"><code class="docutils literal notranslate"><span class="pre">TexManager</span></code></a></li>
</ul>
</li>
<li><a class="reference internal" href="#removals">Removals</a><ul>
<li><a class="reference internal" href="#modules">Modules</a></li>
<li><a class="reference internal" href="#classes-methods-and-attributes">Classes, methods and attributes</a></li>
<li><a class="reference internal" href="#arguments">Arguments</a></li>
<li><a class="reference internal" href="#rcparams">rcParams</a></li>
<li><a class="reference internal" href="#environment-variables">Environment variables</a></li>
<li><a class="reference internal" href="#mathtext">mathtext</a></li>
</ul>
</li>
<li><a class="reference internal" href="#development-changes">Development changes</a><ul>
<li><a class="reference internal" href="#matplotlib-now-requires-numpy-1-15">Matplotlib now requires numpy>=1.15</a></li>
<li><a class="reference internal" href="#matplotlib-now-uses-pillow-to-save-and-read-pngs">Matplotlib now uses Pillow to save and read pngs</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
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<h3>Related Topics</h3>
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<li><a href="index.html">API Overview</a><ul>
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<div class="section" id="api-changes">
<h1>API Changes<a class="headerlink" href="#api-changes" title="Permalink to this headline">¶</a></h1>
<p>If updating Matplotlib breaks your scripts, this list may help you figure out
what caused the breakage and how to fix it by updating your code.</p>
<p>For API changes in older versions see</p>
<div class="toctree-wrapper compound">
<ul>
<li class="toctree-l1"><a class="reference internal" href="api_changes_old.html">Old API Changes</a></li>
</ul>
</div>
<p>Changes for the latest version are listed below. For new features that were
added to Matplotlib, see <a class="reference internal" href="../users/whats_new.html#whats-new"><span class="std std-ref">What's new?</span></a></p>
<div class="section" id="api-changes-for-3-3-0">
<h2>API Changes for 3.3.0<a class="headerlink" href="#api-changes-for-3-3-0" title="Permalink to this headline">¶</a></h2>
<div class="contents local topic" id="contents">
<ul class="simple">
<li><a class="reference internal" href="#behaviour-changes" id="id1">Behaviour changes</a></li>
<li><a class="reference internal" href="#deprecations" id="id2">Deprecations</a></li>
<li><a class="reference internal" href="#removals" id="id3">Removals</a></li>
<li><a class="reference internal" href="#development-changes" id="id4">Development changes</a></li>
</ul>
</div>
<div class="section" id="behaviour-changes">
<h3><a class="toc-backref" href="#id1">Behaviour changes</a><a class="headerlink" href="#behaviour-changes" title="Permalink to this headline">¶</a></h3>
<div class="section" id="formatter-fix-minus">
<h4><code class="docutils literal notranslate"><span class="pre">Formatter.fix_minus</span></code><a class="headerlink" href="#formatter-fix-minus" title="Permalink to this headline">¶</a></h4>
<p><a class="reference internal" href="ticker_api.html#matplotlib.ticker.Formatter.fix_minus" title="matplotlib.ticker.Formatter.fix_minus"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Formatter.fix_minus</span></code></a> now performs hyphen-to-unicode-minus replacement
whenever <code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=axes.unicode_minus#a-sample-matplotlibrc-file"><span class="pre">rcParams["axes.unicode_minus"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">True</span></code>) is True; i.e. its behavior matches the one
of <code class="docutils literal notranslate"><span class="pre">ScalarFormatter.fix_minus</span></code> (<a class="reference internal" href="ticker_api.html#matplotlib.ticker.ScalarFormatter" title="matplotlib.ticker.ScalarFormatter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">ScalarFormatter</span></code></a> now just inherits that
implementation).</p>
<p>This replacement is now used by the <code class="docutils literal notranslate"><span class="pre">format_data_short</span></code> method of the various
builtin formatter classes, which affects the cursor value in the GUI toolbars.</p>
</div>
<div class="section" id="figurecanvasbase-now-always-has-a-manager-attribute-which-may-be-none">
<h4><code class="docutils literal notranslate"><span class="pre">FigureCanvasBase</span></code> now always has a <code class="docutils literal notranslate"><span class="pre">manager</span></code> attribute, which may be None<a class="headerlink" href="#figurecanvasbase-now-always-has-a-manager-attribute-which-may-be-none" title="Permalink to this headline">¶</a></h4>
<p>Previously, it did not necessarily have such an attribute. A check for
<code class="docutils literal notranslate"><span class="pre">hasattr(figure.canvas,</span> <span class="pre">"manager")</span></code> should now be replaced by
<code class="docutils literal notranslate"><span class="pre">figure.canvas.manager</span> <span class="pre">is</span> <span class="pre">not</span> <span class="pre">None</span></code> (or <code class="docutils literal notranslate"><span class="pre">getattr(figure.canvas,</span> <span class="pre">"manager",</span> <span class="pre">None)</span> <span class="pre">is</span> <span class="pre">not</span> <span class="pre">None</span></code>
for back-compatibility).</p>
</div>
<div class="section" id="cbook-callbackregistry-now-propagates-exceptions-when-no-gui-event-loop-is-running">
<h4><a class="reference internal" href="cbook_api.html#matplotlib.cbook.CallbackRegistry" title="matplotlib.cbook.CallbackRegistry"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.CallbackRegistry</span></code></a> now propagates exceptions when no GUI event loop is running<a class="headerlink" href="#cbook-callbackregistry-now-propagates-exceptions-when-no-gui-event-loop-is-running" title="Permalink to this headline">¶</a></h4>
<p><a class="reference internal" href="cbook_api.html#matplotlib.cbook.CallbackRegistry" title="matplotlib.cbook.CallbackRegistry"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.CallbackRegistry</span></code></a> now defaults to propagating exceptions thrown by
callbacks when no interactive GUI event loop is running. If a GUI event loop
<em>is</em> running, <a class="reference internal" href="cbook_api.html#matplotlib.cbook.CallbackRegistry" title="matplotlib.cbook.CallbackRegistry"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.CallbackRegistry</span></code></a> still defaults to just printing a
traceback, as unhandled exceptions can make the program completely <code class="docutils literal notranslate"><span class="pre">abort()</span></code>
in that case.</p>
</div>
<div class="section" id="axes-locator-params-validates-axis-parameter">
<h4><code class="docutils literal notranslate"><span class="pre">Axes.locator_params()</span></code> validates <code class="docutils literal notranslate"><span class="pre">axis</span></code> parameter<a class="headerlink" href="#axes-locator-params-validates-axis-parameter" title="Permalink to this headline">¶</a></h4>
<p><a class="reference internal" href="_as_gen/matplotlib.axes.Axes.locator_params.html#matplotlib.axes.Axes.locator_params" title="matplotlib.axes.Axes.locator_params"><code class="xref py py-obj docutils literal notranslate"><span class="pre">axes.Axes.locator_params</span></code></a> used to accept any value for <code class="docutils literal notranslate"><span class="pre">axis</span></code> and silently
did nothing, when passed an unsupported value. It now raises a <code class="docutils literal notranslate"><span class="pre">ValueError</span></code>.</p>
</div>
<div class="section" id="axis-set-tick-params-validates-which-parameter">
<h4><code class="docutils literal notranslate"><span class="pre">Axis.set_tick_params()</span></code> validates <code class="docutils literal notranslate"><span class="pre">which</span></code> parameter<a class="headerlink" href="#axis-set-tick-params-validates-which-parameter" title="Permalink to this headline">¶</a></h4>
<p><a class="reference internal" href="_as_gen/matplotlib.axis.Axis.set_tick_params.html#matplotlib.axis.Axis.set_tick_params" title="matplotlib.axis.Axis.set_tick_params"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis.set_tick_params</span></code></a> (and the higher level <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.tick_params.html#matplotlib.axes.Axes.tick_params" title="matplotlib.axes.Axes.tick_params"><code class="xref py py-obj docutils literal notranslate"><span class="pre">axes.Axes.tick_params</span></code></a> and
<a class="reference internal" href="_as_gen/matplotlib.pyplot.tick_params.html#matplotlib.pyplot.tick_params" title="matplotlib.pyplot.tick_params"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.tick_params</span></code></a>) used to accept any value for <code class="docutils literal notranslate"><span class="pre">which</span></code> and silently
did nothing, when passed an unsupported value. It now raises a <code class="docutils literal notranslate"><span class="pre">ValueError</span></code>.</p>
</div>
<div class="section" id="axis-set-ticklabels-must-match-fixedlocator-locs">
<h4><code class="docutils literal notranslate"><span class="pre">Axis.set_ticklabels()</span></code> must match <code class="docutils literal notranslate"><span class="pre">FixedLocator.locs</span></code><a class="headerlink" href="#axis-set-ticklabels-must-match-fixedlocator-locs" title="Permalink to this headline">¶</a></h4>
<p>If an axis is using a <a class="reference internal" href="ticker_api.html#matplotlib.ticker.FixedLocator" title="matplotlib.ticker.FixedLocator"><code class="xref py py-obj docutils literal notranslate"><span class="pre">ticker.FixedLocator</span></code></a>, typically set by a call to
<a class="reference internal" href="_as_gen/matplotlib.axis.Axis.set_ticks.html#matplotlib.axis.Axis.set_ticks" title="matplotlib.axis.Axis.set_ticks"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis.set_ticks</span></code></a>, then the number of ticklabels supplied must match the
number of locations available (<code class="docutils literal notranslate"><span class="pre">FixedFormattor.locs</span></code>). If not, a
<code class="docutils literal notranslate"><span class="pre">ValueError</span></code> is raised.</p>
</div>
<div class="section" id="backend-pgf-latexmanager-latex">
<h4><code class="docutils literal notranslate"><span class="pre">backend_pgf.LatexManager.latex</span></code><a class="headerlink" href="#backend-pgf-latexmanager-latex" title="Permalink to this headline">¶</a></h4>
<p><code class="docutils literal notranslate"><span class="pre">backend_pgf.LatexManager.latex</span></code> is now created with <code class="docutils literal notranslate"><span class="pre">encoding="utf-8"</span></code>, so
its <code class="docutils literal notranslate"><span class="pre">stdin</span></code>, <code class="docutils literal notranslate"><span class="pre">stdout</span></code>, and <code class="docutils literal notranslate"><span class="pre">stderr</span></code> attributes are utf8-encoded.</p>
</div>
<div class="section" id="pyplot-xticks-and-pyplot-yticks">
<h4><code class="docutils literal notranslate"><span class="pre">pyplot.xticks()</span></code> and <code class="docutils literal notranslate"><span class="pre">pyplot.yticks()</span></code><a class="headerlink" href="#pyplot-xticks-and-pyplot-yticks" title="Permalink to this headline">¶</a></h4>
<p>Previously, passing labels without passing the ticks to either <a class="reference internal" href="_as_gen/matplotlib.pyplot.xticks.html#matplotlib.pyplot.xticks" title="matplotlib.pyplot.xticks"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.xticks</span></code></a>
and <a class="reference internal" href="_as_gen/matplotlib.pyplot.yticks.html#matplotlib.pyplot.yticks" title="matplotlib.pyplot.yticks"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.yticks</span></code></a> would result in</p>
<blockquote>
<div>TypeError: object of type 'NoneType' has no len()</div></blockquote>
<p>It now raises a <code class="docutils literal notranslate"><span class="pre">TypeError</span></code> with a proper description of the error.</p>
</div>
<div class="section" id="setting-the-same-property-under-multiple-aliases-now-raises-a-typeerror">
<h4>Setting the same property under multiple aliases now raises a TypeError<a class="headerlink" href="#setting-the-same-property-under-multiple-aliases-now-raises-a-typeerror" title="Permalink to this headline">¶</a></h4>
<p>Previously, calling e.g. <code class="docutils literal notranslate"><span class="pre">plot(...,</span> <span class="pre">color=somecolor,</span> <span class="pre">c=othercolor)</span></code> would
emit a warning because <code class="docutils literal notranslate"><span class="pre">color</span></code> and <code class="docutils literal notranslate"><span class="pre">c</span></code> actually map to the same Artist
property. This now raises a TypeError.</p>
</div>
<div class="section" id="filemoviewriter-temporary-frames-directory">
<h4><a class="reference internal" href="_as_gen/matplotlib.animation.FileMovieWriter.html#matplotlib.animation.FileMovieWriter" title="matplotlib.animation.FileMovieWriter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FileMovieWriter</span></code></a> temporary frames directory<a class="headerlink" href="#filemoviewriter-temporary-frames-directory" title="Permalink to this headline">¶</a></h4>
<p><a class="reference internal" href="_as_gen/matplotlib.animation.FileMovieWriter.html#matplotlib.animation.FileMovieWriter" title="matplotlib.animation.FileMovieWriter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FileMovieWriter</span></code></a> now defaults to writing temporary frames in a temporary
directory, which is always cleared at exit. In order to keep the individual
frames saved on the filesystem, pass an explicit <em>frame_prefix</em>.</p>
</div>
<div class="section" id="axes-plot-no-longer-accepts-x-and-y-being-both-2d-and-with-different-numbers-of-columns">
<h4><a class="reference internal" href="_as_gen/matplotlib.axes.Axes.plot.html#matplotlib.axes.Axes.plot" title="matplotlib.axes.Axes.plot"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.plot</span></code></a> no longer accepts <em>x</em> and <em>y</em> being both 2D and with different numbers of columns<a class="headerlink" href="#axes-plot-no-longer-accepts-x-and-y-being-both-2d-and-with-different-numbers-of-columns" title="Permalink to this headline">¶</a></h4>
<p>Previously, calling <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.plot.html#matplotlib.axes.Axes.plot" title="matplotlib.axes.Axes.plot"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.plot</span></code></a> e.g. with <em>x</em> of shape <code class="docutils literal notranslate"><span class="pre">(n,</span> <span class="pre">3)</span></code> and <em>y</em> of
shape <code class="docutils literal notranslate"><span class="pre">(n,</span> <span class="pre">2)</span></code> would plot the first column of <em>x</em> against the first column
of <em>y</em>, the second column of <em>x</em> against the second column of <em>y</em>, <strong>and</strong> the
first column of <em>x</em> against the third column of <em>y</em>. This now raises an error
instead.</p>
</div>
<div class="section" id="text-update-from-now-copies-usetex-state-from-the-source-text">
<h4><a class="reference internal" href="text_api.html#matplotlib.text.Text.update_from" title="matplotlib.text.Text.update_from"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Text.update_from</span></code></a> now copies usetex state from the source Text<a class="headerlink" href="#text-update-from-now-copies-usetex-state-from-the-source-text" title="Permalink to this headline">¶</a></h4>
</div>
<div class="section" id="stem-now-defaults-to-use-line-collection-true">
<h4><a class="reference internal" href="_as_gen/matplotlib.axes.Axes.stem.html#matplotlib.axes.Axes.stem" title="matplotlib.axes.Axes.stem"><code class="xref py py-obj docutils literal notranslate"><span class="pre">stem</span></code></a> now defaults to <code class="docutils literal notranslate"><span class="pre">use_line_collection=True</span></code><a class="headerlink" href="#stem-now-defaults-to-use-line-collection-true" title="Permalink to this headline">¶</a></h4>
<p>This creates the stem plot as a <a class="reference internal" href="collections_api.html#matplotlib.collections.LineCollection" title="matplotlib.collections.LineCollection"><code class="xref py py-obj docutils literal notranslate"><span class="pre">LineCollection</span></code></a> rather than individual
<a class="reference internal" href="_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D" title="matplotlib.lines.Line2D"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D</span></code></a> objects, greatly improving performance.</p>
</div>
<div class="section" id="rcparams-color-validator-is-now-stricter">
<h4>rcParams color validator is now stricter<a class="headerlink" href="#rcparams-color-validator-is-now-stricter" title="Permalink to this headline">¶</a></h4>
<p>Previously, rcParams entries whose values were color-like accepted "spurious"
extra letters or characters in the "middle" of the string, e.g. <code class="docutils literal notranslate"><span class="pre">"(0,</span> <span class="pre">1a,</span> <span class="pre">'0.5')"</span></code>
would be interpreted as <code class="docutils literal notranslate"><span class="pre">(0,</span> <span class="pre">1,</span> <span class="pre">0.5)</span></code>. These extra characters (including the
internal quotes) now cause a ValueError to be raised.</p>
</div>
<div class="section" id="symlognorm-now-has-a-base-parameter">
<h4><a class="reference internal" href="_as_gen/matplotlib.colors.SymLogNorm.html#matplotlib.colors.SymLogNorm" title="matplotlib.colors.SymLogNorm"><code class="xref py py-obj docutils literal notranslate"><span class="pre">SymLogNorm</span></code></a> now has a <em>base</em> parameter<a class="headerlink" href="#symlognorm-now-has-a-base-parameter" title="Permalink to this headline">¶</a></h4>
<p>Previously, <a class="reference internal" href="_as_gen/matplotlib.colors.SymLogNorm.html#matplotlib.colors.SymLogNorm" title="matplotlib.colors.SymLogNorm"><code class="xref py py-obj docutils literal notranslate"><span class="pre">SymLogNorm</span></code></a> had no <em>base</em> keyword argument, and
defaulted to <code class="docutils literal notranslate"><span class="pre">base=np.e</span></code> whereas the documentation said it was
<code class="docutils literal notranslate"><span class="pre">base=10</span></code>. In preparation to make the default 10, calling
<a class="reference internal" href="_as_gen/matplotlib.colors.SymLogNorm.html#matplotlib.colors.SymLogNorm" title="matplotlib.colors.SymLogNorm"><code class="xref py py-obj docutils literal notranslate"><span class="pre">SymLogNorm</span></code></a> without the new <em>base</em> keyword argument emits a
deprecation warning.</p>
</div>
<div class="section" id="errorbar-now-color-cycles-when-only-errorbar-color-is-set">
<h4><a class="reference internal" href="_as_gen/matplotlib.axes.Axes.errorbar.html#matplotlib.axes.Axes.errorbar" title="matplotlib.axes.Axes.errorbar"><code class="xref py py-obj docutils literal notranslate"><span class="pre">errorbar</span></code></a> now color cycles when only errorbar color is set<a class="headerlink" href="#errorbar-now-color-cycles-when-only-errorbar-color-is-set" title="Permalink to this headline">¶</a></h4>
<p>Previously setting the <em>ecolor</em> would turn off automatic color cycling for the plot, leading to the
the lines and markers defaulting to whatever the first color in the color cycle was in the case of
multiple plot calls.</p>
</div>
<div class="section" id="rcsetup-validate-color-for-prop-cycle-now-always-raises-typeerror-for-bytes-input">
<h4><a class="reference internal" href="rcsetup_api.html#matplotlib.rcsetup.validate_color_for_prop_cycle" title="matplotlib.rcsetup.validate_color_for_prop_cycle"><code class="xref py py-obj docutils literal notranslate"><span class="pre">rcsetup.validate_color_for_prop_cycle</span></code></a> now always raises TypeError for bytes input<a class="headerlink" href="#rcsetup-validate-color-for-prop-cycle-now-always-raises-typeerror-for-bytes-input" title="Permalink to this headline">¶</a></h4>
<p>It previously raised <a class="reference external" href="https://docs.python.org/3/library/exceptions.html#TypeError" title="(in Python v3.8)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">TypeError</span></code></a>, <strong>except</strong> when the input was of the form
<code class="docutils literal notranslate"><span class="pre">b"C[number]"</span></code> in which case it raised a ValueError.</p>
</div>
<div class="section" id="figurecanvasps-print-ps-and-figurecanvasps-print-eps-no-longer-apply-edgecolor-and-facecolor">
<h4><a class="reference internal" href="backend_ps_api.html#matplotlib.backends.backend_ps.FigureCanvasPS.print_ps" title="matplotlib.backends.backend_ps.FigureCanvasPS.print_ps"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FigureCanvasPS.print_ps</span></code></a> and <a class="reference internal" href="backend_ps_api.html#matplotlib.backends.backend_ps.FigureCanvasPS.print_eps" title="matplotlib.backends.backend_ps.FigureCanvasPS.print_eps"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FigureCanvasPS.print_eps</span></code></a> no longer apply edgecolor and facecolor<a class="headerlink" href="#figurecanvasps-print-ps-and-figurecanvasps-print-eps-no-longer-apply-edgecolor-and-facecolor" title="Permalink to this headline">¶</a></h4>
<p>These methods now assume that the figure edge and facecolor have been correctly
applied by <a class="reference internal" href="backend_bases_api.html#matplotlib.backend_bases.FigureCanvasBase.print_figure" title="matplotlib.backend_bases.FigureCanvasBase.print_figure"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FigureCanvasBase.print_figure</span></code></a>, as they are normally called
through it.</p>
<p>This behavior is consistent with other figure saving methods
(<a class="reference internal" href="backend_agg_api.html#matplotlib.backends.backend_agg.FigureCanvasAgg.print_png" title="matplotlib.backends.backend_agg.FigureCanvasAgg.print_png"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FigureCanvasAgg.print_png</span></code></a>, <a class="reference internal" href="backend_pdf_api.html#matplotlib.backends.backend_pdf.FigureCanvasPdf.print_pdf" title="matplotlib.backends.backend_pdf.FigureCanvasPdf.print_pdf"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FigureCanvasPdf.print_pdf</span></code></a>,
<a class="reference internal" href="backend_svg_api.html#matplotlib.backends.backend_svg.FigureCanvasSVG.print_svg" title="matplotlib.backends.backend_svg.FigureCanvasSVG.print_svg"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FigureCanvasSVG.print_svg</span></code></a>).</p>
</div>
<div class="section" id="pyplot-subplot-now-raises-typeerror-when-given-an-incorrect-number-of-arguments">
<h4><a class="reference internal" href="_as_gen/matplotlib.pyplot.subplot.html#matplotlib.pyplot.subplot" title="matplotlib.pyplot.subplot"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.subplot()</span></code></a> now raises TypeError when given an incorrect number of arguments<a class="headerlink" href="#pyplot-subplot-now-raises-typeerror-when-given-an-incorrect-number-of-arguments" title="Permalink to this headline">¶</a></h4>
<p>This is consistent with other signature mismatch errors. Previously a
ValueError was raised.</p>
</div>
<div class="section" id="shortcut-for-closing-all-figures">
<h4>Shortcut for closing all figures<a class="headerlink" href="#shortcut-for-closing-all-figures" title="Permalink to this headline">¶</a></h4>
<p>Shortcuts for closing all figures now also work for the classic toolbar.
There is no default shortcut any more because unintentionally closing all figures by a key press
might happen too easily. You can configure the shortcut yourself
using <code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=keymap.quit_all#a-sample-matplotlibrc-file"><span class="pre">rcParams["keymap.quit_all"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">[]</span></code>).</p>
</div>
<div class="section" id="autoscale-for-arrow">
<h4>Autoscale for arrow<a class="headerlink" href="#autoscale-for-arrow" title="Permalink to this headline">¶</a></h4>
<p>Calling ax.arrow() will now autoscale the axes.</p>
</div>
<div class="section" id="set-tick-params-label1on-false-now-also-makes-the-offset-text-if-any-invisible">
<h4><code class="docutils literal notranslate"><span class="pre">set_tick_params(label1On=False)</span></code> now also makes the offset text (if any) invisible<a class="headerlink" href="#set-tick-params-label1on-false-now-also-makes-the-offset-text-if-any-invisible" title="Permalink to this headline">¶</a></h4>
<p>... because the offset text can rarely be interpreted without tick labels
anyways.</p>
</div>
<div class="section" id="axes-annotate-and-pyplot-annotate-parameter-name-changed">
<h4><a class="reference internal" href="_as_gen/matplotlib.axes.Axes.annotate.html#matplotlib.axes.Axes.annotate" title="matplotlib.axes.Axes.annotate"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.annotate</span></code></a> and <a class="reference internal" href="_as_gen/matplotlib.pyplot.annotate.html#matplotlib.pyplot.annotate" title="matplotlib.pyplot.annotate"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.annotate</span></code></a> parameter name changed<a class="headerlink" href="#axes-annotate-and-pyplot-annotate-parameter-name-changed" title="Permalink to this headline">¶</a></h4>
<p>The parameter <code class="docutils literal notranslate"><span class="pre">s</span></code> to <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.annotate.html#matplotlib.axes.Axes.annotate" title="matplotlib.axes.Axes.annotate"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.annotate</span></code></a> and <a class="reference internal" href="_as_gen/matplotlib.pyplot.annotate.html#matplotlib.pyplot.annotate" title="matplotlib.pyplot.annotate"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.annotate</span></code></a> is renamed to
<code class="docutils literal notranslate"><span class="pre">text</span></code>, matching <a class="reference internal" href="text_api.html#matplotlib.text.Annotation" title="matplotlib.text.Annotation"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Annotation</span></code></a>.</p>
<p>The old parameter name remains supported, but
support for it will be dropped in a future Matplotlib release.</p>
</div>
<div class="section" id="font-manager-json-dump-now-locks-the-font-manager-dump-file">
<h4><a class="reference internal" href="font_manager_api.html#matplotlib.font_manager.json_dump" title="matplotlib.font_manager.json_dump"><code class="xref py py-obj docutils literal notranslate"><span class="pre">font_manager.json_dump</span></code></a> now locks the font manager dump file<a class="headerlink" href="#font-manager-json-dump-now-locks-the-font-manager-dump-file" title="Permalink to this headline">¶</a></h4>
<p>... to prevent multiple processes from writing to it at the same time.</p>
</div>
<div class="section" id="pyplot-rgrids-and-pyplot-thetagrids-now-act-as-setters-also-when-called-with-only-kwargs">
<h4><a class="reference internal" href="_as_gen/matplotlib.pyplot.rgrids.html#matplotlib.pyplot.rgrids" title="matplotlib.pyplot.rgrids"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.rgrids</span></code></a> and <a class="reference internal" href="_as_gen/matplotlib.pyplot.thetagrids.html#matplotlib.pyplot.thetagrids" title="matplotlib.pyplot.thetagrids"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.thetagrids</span></code></a> now act as setters also when called with only kwargs<a class="headerlink" href="#pyplot-rgrids-and-pyplot-thetagrids-now-act-as-setters-also-when-called-with-only-kwargs" title="Permalink to this headline">¶</a></h4>
<p>Previously, keyword arguments were silently ignored when no positional
arguments were given.</p>
</div>
<div class="section" id="axis-get-minorticklabels-and-axis-get-majorticklabels-now-returns-plain-list">
<h4><a class="reference internal" href="_as_gen/matplotlib.axis.Axis.get_minorticklabels.html#matplotlib.axis.Axis.get_minorticklabels" title="matplotlib.axis.Axis.get_minorticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis.get_minorticklabels</span></code></a> and <a class="reference internal" href="_as_gen/matplotlib.axis.Axis.get_majorticklabels.html#matplotlib.axis.Axis.get_majorticklabels" title="matplotlib.axis.Axis.get_majorticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis.get_majorticklabels</span></code></a> now returns plain list<a class="headerlink" href="#axis-get-minorticklabels-and-axis-get-majorticklabels-now-returns-plain-list" title="Permalink to this headline">¶</a></h4>
<p>Previously, <a class="reference internal" href="_as_gen/matplotlib.axis.Axis.get_minorticklabels.html#matplotlib.axis.Axis.get_minorticklabels" title="matplotlib.axis.Axis.get_minorticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis.get_minorticklabels</span></code></a> and <a class="reference internal" href="_as_gen/matplotlib.axis.Axis.get_majorticklabels.html#matplotlib.axis.Axis.get_majorticklabels" title="matplotlib.axis.Axis.get_majorticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis.get_majorticklabels</span></code></a> returns
silent_list. Their return type is now changed to normal list.
<a class="reference internal" href="_as_gen/matplotlib.axes.Axes.get_xminorticklabels.html#matplotlib.axes.Axes.get_xminorticklabels" title="matplotlib.axes.Axes.get_xminorticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_xminorticklabels</span></code></a>, <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.get_yminorticklabels.html#matplotlib.axes.Axes.get_yminorticklabels" title="matplotlib.axes.Axes.get_yminorticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_yminorticklabels</span></code></a>, <a class="reference internal" href="_as_gen/mpl_toolkits.mplot3d.axes3d.Axes3D.html#mpl_toolkits.mplot3d.axes3d.Axes3D.get_zminorticklabels" title="mpl_toolkits.mplot3d.axes3d.Axes3D.get_zminorticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_zminorticklabels</span></code></a>,
<a class="reference internal" href="_as_gen/matplotlib.axis.Axis.get_ticklabels.html#matplotlib.axis.Axis.get_ticklabels" title="matplotlib.axis.Axis.get_ticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis.get_ticklabels</span></code></a>, <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.get_xmajorticklabels.html#matplotlib.axes.Axes.get_xmajorticklabels" title="matplotlib.axes.Axes.get_xmajorticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_xmajorticklabels</span></code></a>, <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.get_ymajorticklabels.html#matplotlib.axes.Axes.get_ymajorticklabels" title="matplotlib.axes.Axes.get_ymajorticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_ymajorticklabels</span></code></a> and
<a class="reference internal" href="_as_gen/mpl_toolkits.mplot3d.axes3d.Axes3D.html#mpl_toolkits.mplot3d.axes3d.Axes3D.get_zmajorticklabels" title="mpl_toolkits.mplot3d.axes3d.Axes3D.get_zmajorticklabels"><code class="xref py py-obj docutils literal notranslate"><span class="pre">get_zmajorticklabels</span></code></a> methods will be affected by this change.</p>
</div>
<div class="section" id="default-slider-formatter">
<h4>Default slider formatter<a class="headerlink" href="#default-slider-formatter" title="Permalink to this headline">¶</a></h4>
<p>The default method used to format <a class="reference internal" href="widgets_api.html#matplotlib.widgets.Slider" title="matplotlib.widgets.Slider"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Slider</span></code></a> values has been changed to use a
<a class="reference internal" href="ticker_api.html#matplotlib.ticker.ScalarFormatter" title="matplotlib.ticker.ScalarFormatter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">ScalarFormatter</span></code></a> adapted the slider values limits. This should ensure that
values are displayed with an appropriate number of significant digits even if
they are much smaller or much bigger than 1. To restore the old behavior,
explicitly pass a "%1.2f" as the <em>valfmt</em> parameter to <a class="reference internal" href="widgets_api.html#matplotlib.widgets.Slider" title="matplotlib.widgets.Slider"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Slider</span></code></a>.</p>
</div>
<div class="section" id="add-normalize-keyword-argument-to-axes-pie">
<h4>Add <em>normalize</em> keyword argument to <code class="docutils literal notranslate"><span class="pre">Axes.pie</span></code><a class="headerlink" href="#add-normalize-keyword-argument-to-axes-pie" title="Permalink to this headline">¶</a></h4>
<p><code class="docutils literal notranslate"><span class="pre">pie()</span></code> used to draw a partial pie if the sum of the values was < 1. This behavior
is deprecated and will change to always normalizing the values to a full pie by default.
If you want to draw a partial pie, please pass <code class="docutils literal notranslate"><span class="pre">normalize=False</span></code> explicitly.</p>
</div>
<div class="section" id="table-customcell-is-now-an-alias-for-table-cell">
<h4><code class="docutils literal notranslate"><span class="pre">table.CustomCell</span></code> is now an alias for <a class="reference internal" href="table_api.html#matplotlib.table.Cell" title="matplotlib.table.Cell"><code class="xref py py-obj docutils literal notranslate"><span class="pre">table.Cell</span></code></a><a class="headerlink" href="#table-customcell-is-now-an-alias-for-table-cell" title="Permalink to this headline">¶</a></h4>
<p>All the functionality of <code class="docutils literal notranslate"><span class="pre">CustomCell</span></code> has been moved to its base class
<a class="reference internal" href="table_api.html#matplotlib.table.Cell" title="matplotlib.table.Cell"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Cell</span></code></a>.</p>
</div>
<div class="section" id="wx-timer-interval">
<h4>wx Timer interval<a class="headerlink" href="#wx-timer-interval" title="Permalink to this headline">¶</a></h4>
<p>Setting the timer interval on a not-yet-started <code class="docutils literal notranslate"><span class="pre">TimerWx</span></code> won't start it
anymore.</p>
</div>
<div class="section" id="step-type-histograms-default-to-the-zorder-of-line2d">
<h4>"step"-type histograms default to the zorder of <a class="reference internal" href="_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D" title="matplotlib.lines.Line2D"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D</span></code></a><a class="headerlink" href="#step-type-histograms-default-to-the-zorder-of-line2d" title="Permalink to this headline">¶</a></h4>
<p>This ensures that they go above gridlines by default. The old <code class="docutils literal notranslate"><span class="pre">zorder</span></code> can
be kept by passing it as a keyword argument to <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.hist.html#matplotlib.axes.Axes.hist" title="matplotlib.axes.Axes.hist"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.hist</span></code></a>.</p>
</div>
<div class="section" id="legend-and-offsetbox-visibility">
<h4><a class="reference internal" href="legend_api.html#matplotlib.legend.Legend" title="matplotlib.legend.Legend"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Legend</span></code></a> and <a class="reference internal" href="offsetbox_api.html#matplotlib.offsetbox.OffsetBox" title="matplotlib.offsetbox.OffsetBox"><code class="xref py py-obj docutils literal notranslate"><span class="pre">OffsetBox</span></code></a> visibility<a class="headerlink" href="#legend-and-offsetbox-visibility" title="Permalink to this headline">¶</a></h4>
<p><a class="reference internal" href="legend_api.html#matplotlib.legend.Legend" title="matplotlib.legend.Legend"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Legend</span></code></a> and <a class="reference internal" href="offsetbox_api.html#matplotlib.offsetbox.OffsetBox" title="matplotlib.offsetbox.OffsetBox"><code class="xref py py-obj docutils literal notranslate"><span class="pre">OffsetBox</span></code></a> subclasses (<a class="reference internal" href="offsetbox_api.html#matplotlib.offsetbox.PaddedBox" title="matplotlib.offsetbox.PaddedBox"><code class="xref py py-obj docutils literal notranslate"><span class="pre">PaddedBox</span></code></a>, <a class="reference internal" href="offsetbox_api.html#matplotlib.offsetbox.AnchoredOffsetbox" title="matplotlib.offsetbox.AnchoredOffsetbox"><code class="xref py py-obj docutils literal notranslate"><span class="pre">AnchoredOffsetbox</span></code></a>, and
<a class="reference internal" href="offsetbox_api.html#matplotlib.offsetbox.AnnotationBbox" title="matplotlib.offsetbox.AnnotationBbox"><code class="xref py py-obj docutils literal notranslate"><span class="pre">AnnotationBbox</span></code></a>) no longer directly keep track of the visibility of their
underlying <a class="reference internal" href="_as_gen/matplotlib.patches.Patch.html#matplotlib.patches.Patch" title="matplotlib.patches.Patch"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Patch</span></code></a> artist, but instead pass that flag down to the <a class="reference internal" href="_as_gen/matplotlib.patches.Patch.html#matplotlib.patches.Patch" title="matplotlib.patches.Patch"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Patch</span></code></a>.</p>
</div>
<div class="section" id="legend-and-table-no-longer-allow-invalid-locations">
<h4><a class="reference internal" href="legend_api.html#matplotlib.legend.Legend" title="matplotlib.legend.Legend"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Legend</span></code></a> and <a class="reference internal" href="table_api.html#matplotlib.table.Table" title="matplotlib.table.Table"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Table</span></code></a> no longer allow invalid locations<a class="headerlink" href="#legend-and-table-no-longer-allow-invalid-locations" title="Permalink to this headline">¶</a></h4>
<p>This affects legends produced on an Axes (<a class="reference internal" href="_as_gen/matplotlib.axes.Axes.legend.html#matplotlib.axes.Axes.legend" title="matplotlib.axes.Axes.legend"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.legend</span></code></a> and <a class="reference internal" href="_as_gen/matplotlib.pyplot.legend.html#matplotlib.pyplot.legend" title="matplotlib.pyplot.legend"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.legend</span></code></a>)
and on a Figure (<a class="reference internal" href="_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure.legend" title="matplotlib.figure.Figure.legend"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Figure.legend</span></code></a> and <a class="reference internal" href="_as_gen/matplotlib.pyplot.figlegend.html#matplotlib.pyplot.figlegend" title="matplotlib.pyplot.figlegend"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.figlegend</span></code></a>). Figure legends also
no longer accept the unsupported <code class="docutils literal notranslate"><span class="pre">'best'</span></code> location. Previously, invalid Axes
locations would use <code class="docutils literal notranslate"><span class="pre">'best'</span></code> and invalid Figure locations would used <code class="docutils literal notranslate"><span class="pre">'upper</span>
<span class="pre">right'</span></code>.</p>
</div>
<div class="section" id="passing-line2d-s-drawstyle-together-with-linestyle-is-removed">
<h4>Passing Line2D's <em>drawstyle</em> together with <em>linestyle</em> is removed<a class="headerlink" href="#passing-line2d-s-drawstyle-together-with-linestyle-is-removed" title="Permalink to this headline">¶</a></h4>
<p>Instead of <code class="docutils literal notranslate"><span class="pre">plt.plot(...,</span> <span class="pre">linestyle="steps--")</span></code>, use <code class="docutils literal notranslate"><span class="pre">plt.plot(...,</span>
<span class="pre">linestyle="--",</span> <span class="pre">drawstyle="steps")</span></code>. <code class="docutils literal notranslate"><span class="pre">ds</span></code> is also an alias for
<code class="docutils literal notranslate"><span class="pre">drawstyle</span></code>.</p>
</div>
<div class="section" id="upper-case-color-strings">
<h4>Upper case color strings<a class="headerlink" href="#upper-case-color-strings" title="Permalink to this headline">¶</a></h4>
<p>Support for passing single-letter colors (one of "rgbcmykw") as UPPERCASE
characters is removed; these colors are now case-sensitive (lowercase).</p>
</div>
<div class="section" id="tight-constrained-layout-no-longer-worry-about-titles-that-are-too-wide">
<h4>tight/constrained_layout no longer worry about titles that are too wide<a class="headerlink" href="#tight-constrained-layout-no-longer-worry-about-titles-that-are-too-wide" title="Permalink to this headline">¶</a></h4>
<p><em>tight_layout</em> and <em>constrained_layout</em> shrink axes to accommodate
"decorations" on the axes. However, if an xlabel or title is too long in the
x direction, making the axes smaller in the x-direction doesn't help. The
behavior of both has been changed to ignore the width of the title and
xlabel and the height of the ylabel in the layout logic.</p>
<p>This also means there is a new keyword argument for <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.get_tightbbox.html#matplotlib.axes.Axes.get_tightbbox" title="matplotlib.axes.Axes.get_tightbbox"><code class="xref py py-obj docutils literal notranslate"><span class="pre">axes.Axes.get_tightbbox</span></code></a>
and <a class="reference internal" href="_as_gen/matplotlib.axis.Axis.get_tightbbox.html#matplotlib.axis.Axis.get_tightbbox" title="matplotlib.axis.Axis.get_tightbbox"><code class="xref py py-obj docutils literal notranslate"><span class="pre">axis.Axis.get_tightbbox</span></code></a>: <code class="docutils literal notranslate"><span class="pre">for_layout_only</span></code>, which defaults to <em>False</em>,
but if <em>True</em> returns a bounding box using the rules above.</p>
</div>
<div class="section" id="rcparams-savefig-facecolor-default-auto-and-rcparams-savefig-edgecolor-default-auto-now-default-to-auto">
<h4><code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=savefig.facecolor#a-sample-matplotlibrc-file"><span class="pre">rcParams["savefig.facecolor"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">'auto'</span></code>) and <code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=savefig.edgecolor#a-sample-matplotlibrc-file"><span class="pre">rcParams["savefig.edgecolor"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">'auto'</span></code>) now default to "auto"<a class="headerlink" href="#rcparams-savefig-facecolor-default-auto-and-rcparams-savefig-edgecolor-default-auto-now-default-to-auto" title="Permalink to this headline">¶</a></h4>
<p>This newly allowed value for <code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=savefig.facecolor#a-sample-matplotlibrc-file"><span class="pre">rcParams["savefig.facecolor"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">'auto'</span></code>) and <code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=savefig.edgecolor#a-sample-matplotlibrc-file"><span class="pre">rcParams["savefig.edgecolor"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">'auto'</span></code>),
as well as the <em>facecolor</em> and <em>edgecolor</em> parameters to <a class="reference internal" href="_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure.savefig" title="matplotlib.figure.Figure.savefig"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Figure.savefig</span></code></a>, means
"use whatever facecolor and edgecolor the figure current has".</p>
</div>
<div class="section" id="when-using-a-single-dataset-axes-hist-no-longer-wraps-the-added-artist-in-a-silent-list">
<h4>When using a single dataset, <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.hist.html#matplotlib.axes.Axes.hist" title="matplotlib.axes.Axes.hist"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.hist</span></code></a> no longer wraps the added artist in a <a class="reference internal" href="cbook_api.html#matplotlib.cbook.silent_list" title="matplotlib.cbook.silent_list"><code class="xref py py-obj docutils literal notranslate"><span class="pre">silent_list</span></code></a><a class="headerlink" href="#when-using-a-single-dataset-axes-hist-no-longer-wraps-the-added-artist-in-a-silent-list" title="Permalink to this headline">¶</a></h4>
<p>When <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.hist.html#matplotlib.axes.Axes.hist" title="matplotlib.axes.Axes.hist"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.hist</span></code></a> is called with a single dataset, it adds to the axes either
a <a class="reference internal" href="container_api.html#matplotlib.container.BarContainer" title="matplotlib.container.BarContainer"><code class="xref py py-obj docutils literal notranslate"><span class="pre">BarContainer</span></code></a> object (when <code class="docutils literal notranslate"><span class="pre">histtype="bar"</span></code> or <code class="docutils literal notranslate"><span class="pre">"barstacked"</span></code>), or a
<a class="reference internal" href="_as_gen/matplotlib.patches.Polygon.html#matplotlib.patches.Polygon" title="matplotlib.patches.Polygon"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Polygon</span></code></a> object (when <code class="docutils literal notranslate"><span class="pre">histype="step"</span></code> or <code class="docutils literal notranslate"><span class="pre">"stepfilled"</span></code>) -- the latter
being wrapped in a list-of-one-element. Previously, either artist would be
wrapped in a <a class="reference internal" href="cbook_api.html#matplotlib.cbook.silent_list" title="matplotlib.cbook.silent_list"><code class="xref py py-obj docutils literal notranslate"><span class="pre">silent_list</span></code></a>. This is no longer the case: the <a class="reference internal" href="container_api.html#matplotlib.container.BarContainer" title="matplotlib.container.BarContainer"><code class="xref py py-obj docutils literal notranslate"><span class="pre">BarContainer</span></code></a> is
now returned as is (this is an API breaking change if you were directly relying
on the concrete <a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#list" title="(in Python v3.8)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">list</span></code></a> API; however, <a class="reference internal" href="container_api.html#matplotlib.container.BarContainer" title="matplotlib.container.BarContainer"><code class="xref py py-obj docutils literal notranslate"><span class="pre">BarContainer</span></code></a> inherits from <a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#tuple" title="(in Python v3.8)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">tuple</span></code></a> so
most common operations remain available), and the list-of-one <a class="reference internal" href="_as_gen/matplotlib.patches.Polygon.html#matplotlib.patches.Polygon" title="matplotlib.patches.Polygon"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Polygon</span></code></a> is
returned as is. This makes the <a class="reference external" href="https://docs.python.org/3/library/functions.html#repr" title="(in Python v3.8)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">repr</span></code></a> of the returned artist more accurate: it
is now</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="n">BarContainer</span> <span class="nb">object</span> <span class="n">of</span> <span class="n">of</span> <span class="mi">10</span> <span class="n">artists</span><span class="o">></span> <span class="c1"># "bar", "barstacked"</span>
<span class="p">[</span><span class="o"><</span><span class="n">matplotlib</span><span class="o">.</span><span class="n">patches</span><span class="o">.</span><span class="n">Polygon</span> <span class="nb">object</span> <span class="n">at</span> <span class="mh">0xdeadbeef</span><span class="o">></span><span class="p">]</span> <span class="c1"># "step", "stepfilled"</span>
</pre></div>
</div>
<p>instead of</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="n">a</span> <span class="nb">list</span> <span class="n">of</span> <span class="mi">10</span> <span class="n">Patch</span> <span class="n">objects</span><span class="o">></span> <span class="c1"># "bar", "barstacked"</span>
<span class="o"><</span><span class="n">a</span> <span class="nb">list</span> <span class="n">of</span> <span class="mi">1</span> <span class="n">Patch</span> <span class="n">objects</span><span class="o">></span> <span class="c1"># "step", "stepfilled"</span>
</pre></div>
</div>
<p>When <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.hist.html#matplotlib.axes.Axes.hist" title="matplotlib.axes.Axes.hist"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.hist</span></code></a> is called with multiple artists, it still wraps its return
value in a <a class="reference internal" href="cbook_api.html#matplotlib.cbook.silent_list" title="matplotlib.cbook.silent_list"><code class="xref py py-obj docutils literal notranslate"><span class="pre">silent_list</span></code></a>, but uses more accurate type information</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="n">a</span> <span class="nb">list</span> <span class="n">of</span> <span class="mi">3</span> <span class="n">BarContainer</span> <span class="n">objects</span><span class="o">></span> <span class="c1"># "bar", "barstacked"</span>
<span class="o"><</span><span class="n">a</span> <span class="nb">list</span> <span class="n">of</span> <span class="mi">3</span> <span class="n">List</span><span class="p">[</span><span class="n">Polygon</span><span class="p">]</span> <span class="n">objects</span><span class="o">></span> <span class="c1"># "step", "stepfilled"</span>
</pre></div>
</div>
<p>instead of</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="o"><</span><span class="n">a</span> <span class="nb">list</span> <span class="n">of</span> <span class="mi">3</span> <span class="n">Lists</span> <span class="n">of</span> <span class="n">Patches</span> <span class="n">objects</span><span class="o">></span> <span class="c1"># "bar", "barstacked"</span>
<span class="o"><</span><span class="n">a</span> <span class="nb">list</span> <span class="n">of</span> <span class="mi">3</span> <span class="n">Lists</span> <span class="n">of</span> <span class="n">Patches</span> <span class="n">objects</span><span class="o">></span> <span class="c1"># "step", "stepfilled"</span>
</pre></div>
</div>
</div>
<div class="section" id="qt-and-wx-backends-no-longer-create-a-status-bar-by-default">
<h4>Qt and wx backends no longer create a status bar by default<a class="headerlink" href="#qt-and-wx-backends-no-longer-create-a-status-bar-by-default" title="Permalink to this headline">¶</a></h4>
<p>The coordinates information is now displayed in the toolbar, consistently with
the other backends. This is intended to simplify embedding of Matplotlib in
larger GUIs, where Matplotlib may control the toolbar but not the status bar.</p>
</div>
<div class="section" id="rcparams-text-hinting-default-force-autohint-now-supports-names-mapping-to-freetype-flags">
<h4><code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=text.hinting#a-sample-matplotlibrc-file"><span class="pre">rcParams["text.hinting"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">'force_autohint'</span></code>) now supports names mapping to FreeType flags<a class="headerlink" href="#rcparams-text-hinting-default-force-autohint-now-supports-names-mapping-to-freetype-flags" title="Permalink to this headline">¶</a></h4>
<p><code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=text.hinting#a-sample-matplotlibrc-file"><span class="pre">rcParams["text.hinting"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">'force_autohint'</span></code>) now supports the values "default", "no_autohint",
"force_autohint", and "no_hinting", which directly map to the FreeType flags
FT_LOAD_DEFAULT, etc. The old synonyms (respectively "either", "native",
"auto", and "none") are still supported, but their use is discouraged. To get
normalized values, use <a class="reference internal" href="backend_agg_api.html#matplotlib.backends.backend_agg.get_hinting_flag" title="matplotlib.backends.backend_agg.get_hinting_flag"><code class="xref py py-obj docutils literal notranslate"><span class="pre">backend_agg.get_hinting_flag</span></code></a>, which returns integer
flag values.</p>
</div>
<div class="section" id="cbook-get-sample-data-auto-loads-numpy-arrays">
<h4><a class="reference internal" href="cbook_api.html#matplotlib.cbook.get_sample_data" title="matplotlib.cbook.get_sample_data"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.get_sample_data</span></code></a> auto-loads numpy arrays<a class="headerlink" href="#cbook-get-sample-data-auto-loads-numpy-arrays" title="Permalink to this headline">¶</a></h4>
<p>When <a class="reference internal" href="cbook_api.html#matplotlib.cbook.get_sample_data" title="matplotlib.cbook.get_sample_data"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.get_sample_data</span></code></a> is used to load a npy or npz file and the
keyword-only parameter <code class="docutils literal notranslate"><span class="pre">np_load</span></code> is True, the file is automatically loaded
using <a class="reference external" href="https://numpy.org/doc/stable/reference/generated/numpy.load.html#numpy.load" title="(in NumPy v1.19)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">numpy.load</span></code></a>. <code class="docutils literal notranslate"><span class="pre">np_load</span></code> defaults to False for backwards compatibility,
but will become True in a later release.</p>
</div>
<div class="section" id="get-text-width-height-descent-now-checks-ismath-rather-than-rcparams-text-usetex-default-false">
<h4><code class="docutils literal notranslate"><span class="pre">get_text_width_height_descent</span></code> now checks <code class="docutils literal notranslate"><span class="pre">ismath</span></code> rather than <code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=text.usetex#a-sample-matplotlibrc-file"><span class="pre">rcParams["text.usetex"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">False</span></code>)<a class="headerlink" href="#get-text-width-height-descent-now-checks-ismath-rather-than-rcparams-text-usetex-default-false" title="Permalink to this headline">¶</a></h4>
<p>... to determine whether a string should be passed to the usetex machinery or
not. This allows single strings to be marked as not-usetex even when the
rcParam is True.</p>
</div>
<div class="section" id="axes-vlines-axes-hlines-pyplot-vlines-and-pyplot-hlines-colors-parameter-default-change">
<h4><a class="reference internal" href="_as_gen/matplotlib.axes.Axes.vlines.html#matplotlib.axes.Axes.vlines" title="matplotlib.axes.Axes.vlines"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.vlines</span></code></a>, <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.hlines.html#matplotlib.axes.Axes.hlines" title="matplotlib.axes.Axes.hlines"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.hlines</span></code></a>, <a class="reference internal" href="_as_gen/matplotlib.pyplot.vlines.html#matplotlib.pyplot.vlines" title="matplotlib.pyplot.vlines"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.vlines</span></code></a> and <a class="reference internal" href="_as_gen/matplotlib.pyplot.hlines.html#matplotlib.pyplot.hlines" title="matplotlib.pyplot.hlines"><code class="xref py py-obj docutils literal notranslate"><span class="pre">pyplot.hlines</span></code></a> <em>colors</em> parameter default change<a class="headerlink" href="#axes-vlines-axes-hlines-pyplot-vlines-and-pyplot-hlines-colors-parameter-default-change" title="Permalink to this headline">¶</a></h4>
<p>The <em>colors</em> parameter will now default to <code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=lines.color#a-sample-matplotlibrc-file"><span class="pre">rcParams["lines.color"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">'C0'</span></code>), while previously it defaulted to 'k'.</p>
</div>
<div class="section" id="aggressively-autoscale-clim-in-scalermappable-classes">
<h4>Aggressively autoscale clim in <code class="docutils literal notranslate"><span class="pre">ScalerMappable</span></code> classes<a class="headerlink" href="#aggressively-autoscale-clim-in-scalermappable-classes" title="Permalink to this headline">¶</a></h4>
<p>Previously some plotting methods would defer autoscaling until the
first draw if only one of the <em>vmin</em> or <em>vmax</em> keyword arguments were
passed (<a class="reference internal" href="_as_gen/matplotlib.axes.Axes.scatter.html#matplotlib.axes.Axes.scatter" title="matplotlib.axes.Axes.scatter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.scatter</span></code></a>, <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.hexbin.html#matplotlib.axes.Axes.hexbin" title="matplotlib.axes.Axes.hexbin"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.hexbin</span></code></a>, <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.imshow.html#matplotlib.axes.Axes.imshow" title="matplotlib.axes.Axes.imshow"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.imshow</span></code></a>,
<a class="reference internal" href="_as_gen/matplotlib.axes.Axes.pcolorfast.html#matplotlib.axes.Axes.pcolorfast" title="matplotlib.axes.Axes.pcolorfast"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.pcolorfast</span></code></a>) but would scale based on the passed data if
neither was passed (independent of the <em>norm</em> keyword arguments).
Other methods (<a class="reference internal" href="_as_gen/matplotlib.axes.Axes.pcolor.html#matplotlib.axes.Axes.pcolor" title="matplotlib.axes.Axes.pcolor"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.pcolor</span></code></a>, <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.pcolormesh.html#matplotlib.axes.Axes.pcolormesh" title="matplotlib.axes.Axes.pcolormesh"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.pcolormesh</span></code></a>) always autoscaled
base on the initial data.</p>
<p>All of the plotting methods now resolve the unset <em>vmin</em> or <em>vmax</em>
at the initial call time using the data passed in.</p>
<p>If you were relying on exactly one of the <em>vmin</em> or <em>vmax</em> remaining
unset between the time when the method is called and the first time
the figure is rendered you get back the old behavior by manually setting
the relevant limit back to <a class="reference external" href="https://docs.python.org/3/library/constants.html#None" title="(in Python v3.8)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">None</span></code></a></p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">cm_obj</span><span class="o">.</span><span class="n">norm</span><span class="o">.</span><span class="n">vmin</span> <span class="o">=</span> <span class="kc">None</span>
<span class="c1"># or</span>
<span class="n">cm_obj</span><span class="o">.</span><span class="n">norm</span><span class="o">.</span><span class="n">vmax</span> <span class="o">=</span> <span class="kc">None</span>
</pre></div>
</div>
<p>which will be resolved during the draw process.</p>
</div>
</div>
<div class="section" id="deprecations">
<h3><a class="toc-backref" href="#id2">Deprecations</a><a class="headerlink" href="#deprecations" title="Permalink to this headline">¶</a></h3>
<div class="section" id="figure-add-axes-without-arguments">
<h4><code class="docutils literal notranslate"><span class="pre">figure.add_axes()</span></code> without arguments<a class="headerlink" href="#figure-add-axes-without-arguments" title="Permalink to this headline">¶</a></h4>
<p>Calling <code class="docutils literal notranslate"><span class="pre">fig.add_axes()</span></code> with no arguments currently does nothing. This call
will raise an error in the future. Adding a free-floating axes needs a position
rectangle. If you want a figure-filling single axes, use <code class="docutils literal notranslate"><span class="pre">add_subplot()</span></code>
instead.</p>
</div>
<div class="section" id="backend-wx-debug-msg">
<h4><code class="docutils literal notranslate"><span class="pre">backend_wx.DEBUG_MSG</span></code><a class="headerlink" href="#backend-wx-debug-msg" title="Permalink to this headline">¶</a></h4>
<p><code class="docutils literal notranslate"><span class="pre">backend_wx.DEBUG_MSG</span></code> is deprecated. The wx backends now use regular
logging.</p>
</div>
<div class="section" id="colorbar-config-axis">
<h4><code class="docutils literal notranslate"><span class="pre">Colorbar.config_axis()</span></code><a class="headerlink" href="#colorbar-config-axis" title="Permalink to this headline">¶</a></h4>
<p><code class="docutils literal notranslate"><span class="pre">Colorbar.config_axis()</span></code> is considered internal. Its use is deprecated.</p>
</div>
<div class="section" id="nonuniformimage-is-grayscale-and-pcolorimage-is-grayscale">
<h4><code class="docutils literal notranslate"><span class="pre">NonUniformImage.is_grayscale</span></code> and <code class="docutils literal notranslate"><span class="pre">PcolorImage.is_grayscale</span></code><a class="headerlink" href="#nonuniformimage-is-grayscale-and-pcolorimage-is-grayscale" title="Permalink to this headline">¶</a></h4>
<p>These attributes are deprecated, for consistency with <code class="docutils literal notranslate"><span class="pre">AxesImage.is_grayscale</span></code>,
which was removed back in Matplotlib 2.0.0. (Note that previously, these
attributes were only available <em>after rendering the image</em>).</p>
</div>
<div class="section" id="den-parameter-and-attribute-to-mpl-toolkits-axisartist-angle-helper">
<h4><code class="docutils literal notranslate"><span class="pre">den</span></code> parameter and attribute to <a class="reference internal" href="_as_gen/mpl_toolkits.axisartist.angle_helper.html#module-mpl_toolkits.axisartist.angle_helper" title="mpl_toolkits.axisartist.angle_helper"><code class="xref py py-mod docutils literal notranslate"><span class="pre">mpl_toolkits.axisartist.angle_helper</span></code></a><a class="headerlink" href="#den-parameter-and-attribute-to-mpl-toolkits-axisartist-angle-helper" title="Permalink to this headline">¶</a></h4>
<p>For all locator classes defined in <a class="reference internal" href="_as_gen/mpl_toolkits.axisartist.angle_helper.html#module-mpl_toolkits.axisartist.angle_helper" title="mpl_toolkits.axisartist.angle_helper"><code class="xref py py-mod docutils literal notranslate"><span class="pre">mpl_toolkits.axisartist.angle_helper</span></code></a>,
the <code class="docutils literal notranslate"><span class="pre">den</span></code> parameter has been renamed to <code class="docutils literal notranslate"><span class="pre">nbins</span></code>, and the <code class="docutils literal notranslate"><span class="pre">den</span></code> attribute
deprecated in favor of its (preexisting) synonym <code class="docutils literal notranslate"><span class="pre">nbins</span></code>, for consistency
with locator classes defined in <a class="reference internal" href="ticker_api.html#module-matplotlib.ticker" title="matplotlib.ticker"><code class="xref py py-mod docutils literal notranslate"><span class="pre">matplotlib.ticker</span></code></a>.</p>
</div>
<div class="section" id="backend-pgf-latexmanager-latex-stdin-utf8">
<h4><code class="docutils literal notranslate"><span class="pre">backend_pgf.LatexManager.latex_stdin_utf8</span></code><a class="headerlink" href="#backend-pgf-latexmanager-latex-stdin-utf8" title="Permalink to this headline">¶</a></h4>
<p><code class="docutils literal notranslate"><span class="pre">backend_pgf.LatexManager.latex</span></code> is now created with <code class="docutils literal notranslate"><span class="pre">encoding="utf-8"</span></code>, so
its <code class="docutils literal notranslate"><span class="pre">stdin</span></code> attribute is already utf8-encoded; the <code class="docutils literal notranslate"><span class="pre">latex_stdin_utf8</span></code>
attribute is thus deprecated.</p>
</div>
<div class="section" id="flags-containing-u-passed-to-cbook-to-filehandle-and-cbook-open-file-cm">
<h4>Flags containing "U" passed to <a class="reference internal" href="cbook_api.html#matplotlib.cbook.to_filehandle" title="matplotlib.cbook.to_filehandle"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.to_filehandle</span></code></a> and <a class="reference internal" href="cbook_api.html#matplotlib.cbook.open_file_cm" title="matplotlib.cbook.open_file_cm"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.open_file_cm</span></code></a><a class="headerlink" href="#flags-containing-u-passed-to-cbook-to-filehandle-and-cbook-open-file-cm" title="Permalink to this headline">¶</a></h4>
<p>Please remove "U" from flags passed to <a class="reference internal" href="cbook_api.html#matplotlib.cbook.to_filehandle" title="matplotlib.cbook.to_filehandle"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.to_filehandle</span></code></a> and
<a class="reference internal" href="cbook_api.html#matplotlib.cbook.open_file_cm" title="matplotlib.cbook.open_file_cm"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.open_file_cm</span></code></a>. This is consistent with their removal from <a class="reference external" href="https://docs.python.org/3/library/functions.html#open" title="(in Python v3.8)"><code class="xref py py-obj docutils literal notranslate"><span class="pre">open</span></code></a> in
Python 3.9.</p>
</div>
<div class="section" id="pdf-and-ps-character-tracking-internals">
<h4>PDF and PS character tracking internals<a class="headerlink" href="#pdf-and-ps-character-tracking-internals" title="Permalink to this headline">¶</a></h4>
<p>The <code class="docutils literal notranslate"><span class="pre">used_characters</span></code> attribute and <code class="docutils literal notranslate"><span class="pre">track_characters</span></code> and
<code class="docutils literal notranslate"><span class="pre">merge_used_characters</span></code> methods of <a class="reference internal" href="backend_pdf_api.html#matplotlib.backends.backend_pdf.RendererPdf" title="matplotlib.backends.backend_pdf.RendererPdf"><code class="xref py py-obj docutils literal notranslate"><span class="pre">RendererPdf</span></code></a>, <a class="reference internal" href="backend_pdf_api.html#matplotlib.backends.backend_pdf.PdfFile" title="matplotlib.backends.backend_pdf.PdfFile"><code class="xref py py-obj docutils literal notranslate"><span class="pre">PdfFile</span></code></a>, and
<a class="reference internal" href="backend_ps_api.html#matplotlib.backends.backend_ps.RendererPS" title="matplotlib.backends.backend_ps.RendererPS"><code class="xref py py-obj docutils literal notranslate"><span class="pre">RendererPS</span></code></a> are deprecated.</p>
</div>
<div class="section" id="case-insensitive-capstyles-and-joinstyles">
<h4>Case-insensitive capstyles and joinstyles<a class="headerlink" href="#case-insensitive-capstyles-and-joinstyles" title="Permalink to this headline">¶</a></h4>
<p>Please pass capstyles ("miter", "round", "bevel") and joinstyles ("butt",
"round", "projecting") as lowercase.</p>
</div>
<div class="section" id="passing-raw-data-to-register-cmap">
<h4>Passing raw data to <code class="docutils literal notranslate"><span class="pre">register_cmap()</span></code><a class="headerlink" href="#passing-raw-data-to-register-cmap" title="Permalink to this headline">¶</a></h4>
<p>Passing raw data via parameters <em>data</em> and <em>lut</em> to <a class="reference internal" href="cm_api.html#matplotlib.cm.register_cmap" title="matplotlib.cm.register_cmap"><code class="xref py py-obj docutils literal notranslate"><span class="pre">register_cmap()</span></code></a> is
deprecated. Instead, explicitly create a <a class="reference internal" href="_as_gen/matplotlib.colors.LinearSegmentedColormap.html#matplotlib.colors.LinearSegmentedColormap" title="matplotlib.colors.LinearSegmentedColormap"><code class="xref py py-obj docutils literal notranslate"><span class="pre">LinearSegmentedColormap</span></code></a> and pass
it via the <em>cmap</em> parameter:
<code class="docutils literal notranslate"><span class="pre">register_cmap(cmap=LinearSegmentedColormap(name,</span> <span class="pre">data,</span> <span class="pre">lut))</span></code>.</p>
</div>
<div class="section" id="dateformatter-illegal-s">
<h4><code class="docutils literal notranslate"><span class="pre">DateFormatter.illegal_s</span></code><a class="headerlink" href="#dateformatter-illegal-s" title="Permalink to this headline">¶</a></h4>
<p>This attribute is unused and deprecated.</p>
</div>
<div class="section" id="widgets-textbox-params-to-disable">
<h4><code class="docutils literal notranslate"><span class="pre">widgets.TextBox.params_to_disable</span></code><a class="headerlink" href="#widgets-textbox-params-to-disable" title="Permalink to this headline">¶</a></h4>
<p>This attribute is deprecated.</p>
</div>
<div class="section" id="revert-deprecation-min-max-keyword-arguments-to-set-x-y-zlim-3d">
<h4>Revert deprecation *min, *max keyword arguments to <code class="docutils literal notranslate"><span class="pre">set_x/y/zlim_3d()</span></code><a class="headerlink" href="#revert-deprecation-min-max-keyword-arguments-to-set-x-y-zlim-3d" title="Permalink to this headline">¶</a></h4>
<p>These keyword arguments were deprecated in 3.0, alongside with the respective
parameters in <code class="docutils literal notranslate"><span class="pre">set_xlim()</span></code> / <code class="docutils literal notranslate"><span class="pre">set_ylim()</span></code>. The deprecations of the 2D
versions were already reverted in in 3.1.</p>
</div>
<div class="section" id="cbook-local-over-kwdict">
<h4><code class="docutils literal notranslate"><span class="pre">cbook.local_over_kwdict</span></code><a class="headerlink" href="#cbook-local-over-kwdict" title="Permalink to this headline">¶</a></h4>
<p>This function is deprecated. Use <a class="reference internal" href="cbook_api.html#matplotlib.cbook.normalize_kwargs" title="matplotlib.cbook.normalize_kwargs"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.normalize_kwargs</span></code></a> instead.</p>
</div>
<div class="section" id="passing-both-singular-and-plural-colors-linewidths-linestyles-to-axes-eventplot">
<h4>Passing both singular and plural <em>colors</em>, <em>linewidths</em>, <em>linestyles</em> to <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.eventplot.html#matplotlib.axes.Axes.eventplot" title="matplotlib.axes.Axes.eventplot"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.eventplot</span></code></a><a class="headerlink" href="#passing-both-singular-and-plural-colors-linewidths-linestyles-to-axes-eventplot" title="Permalink to this headline">¶</a></h4>
<p>Passing e.g. both <em>linewidth</em> and <em>linewidths</em> will raise a TypeError in the
future.</p>
</div>
<div class="section" id="setting-rcparams-text-latex-preamble-default-or-rcparams-pdf-preamble-to-non-strings">
<h4>Setting <code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=text.latex.preamble#a-sample-matplotlibrc-file"><span class="pre">rcParams["text.latex.preamble"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">''</span></code>) or <code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=pdf.preamble#a-sample-matplotlibrc-file"><span class="pre">rcParams["pdf.preamble"]</span></a></code> to non-strings<a class="headerlink" href="#setting-rcparams-text-latex-preamble-default-or-rcparams-pdf-preamble-to-non-strings" title="Permalink to this headline">¶</a></h4>
<p>These rcParams should be set to string values. Support for None (meaning the
empty string) and lists of strings (implicitly joined with newlines) is
deprecated.</p>
</div>
<div class="section" id="parameters-norm-and-vmin-vmax-should-not-be-used-simultaneously">
<h4>Parameters <em>norm</em> and <em>vmin</em>/<em>vmax</em> should not be used simultaneously<a class="headerlink" href="#parameters-norm-and-vmin-vmax-should-not-be-used-simultaneously" title="Permalink to this headline">¶</a></h4>
<p>Passing parameters <em>norm</em> and <em>vmin</em>/<em>vmax</em> simultaneously to functions using
colormapping such as <code class="docutils literal notranslate"><span class="pre">scatter()</span></code> and <code class="docutils literal notranslate"><span class="pre">imshow()</span></code> is deprecated.
Inestead of <code class="docutils literal notranslate"><span class="pre">norm=LogNorm(),</span> <span class="pre">vmin=min_val,</span> <span class="pre">vmax=max_val</span></code> pass
<code class="docutils literal notranslate"><span class="pre">norm=LogNorm(min_val,</span> <span class="pre">max_val)</span></code>. <em>vmin</em> and <em>vmax</em> should only be used
without setting <em>norm</em>.</p>
</div>
<div class="section" id="effectless-parameters-of-figure-colorbar-and-matplotlib-colorbar-colorbar">
<h4>Effectless parameters of <a class="reference internal" href="_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure.colorbar" title="matplotlib.figure.Figure.colorbar"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Figure.colorbar</span></code></a> and <a class="reference internal" href="colorbar_api.html#matplotlib.colorbar.Colorbar" title="matplotlib.colorbar.Colorbar"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.colorbar.Colorbar</span></code></a><a class="headerlink" href="#effectless-parameters-of-figure-colorbar-and-matplotlib-colorbar-colorbar" title="Permalink to this headline">¶</a></h4>
<p>The <em>cmap</em> and <em>norm</em> parameters of <a class="reference internal" href="_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure.colorbar" title="matplotlib.figure.Figure.colorbar"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Figure.colorbar</span></code></a> and
<a class="reference internal" href="colorbar_api.html#matplotlib.colorbar.Colorbar" title="matplotlib.colorbar.Colorbar"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.colorbar.Colorbar</span></code></a> have no effect because they are always
overridden by the mappable's colormap and norm; they are thus deprecated.
Likewise, passing the <em>alpha</em>, <em>boundaries</em>, <em>values</em>, <em>extend</em>, or <em>filled</em>
parameters with a <a class="reference internal" href="contour_api.html#matplotlib.contour.ContourSet" title="matplotlib.contour.ContourSet"><code class="xref py py-obj docutils literal notranslate"><span class="pre">ContourSet</span></code></a> mappable, or the <em>alpha</em> parameter with an
<a class="reference internal" href="artist_api.html#matplotlib.artist.Artist" title="matplotlib.artist.Artist"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Artist</span></code></a> mappable, is deprecated, as the mappable would likewise override
them.</p>
</div>
<div class="section" id="args-key-and-exec-key-attributes-of-builtin-moviewriters">
<h4><code class="docutils literal notranslate"><span class="pre">args_key</span></code> and <code class="docutils literal notranslate"><span class="pre">exec_key</span></code> attributes of builtin <a class="reference internal" href="_as_gen/matplotlib.animation.MovieWriter.html#matplotlib.animation.MovieWriter" title="matplotlib.animation.MovieWriter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">MovieWriter</span></code></a>s<a class="headerlink" href="#args-key-and-exec-key-attributes-of-builtin-moviewriters" title="Permalink to this headline">¶</a></h4>
<p>These attributes are deprecated.</p>
</div>
<div class="section" id="unused-parameters">
<h4>Unused parameters<a class="headerlink" href="#unused-parameters" title="Permalink to this headline">¶</a></h4>
<p>The following parameters do not have any effect and are deprecated:</p>
<ul class="simple">
<li>arbitrary keyword arguments to <code class="docutils literal notranslate"><span class="pre">StreamplotSet</span></code></li>
<li>parameter <em>quantize</em> of <a class="reference internal" href="path_api.html#matplotlib.path.Path.cleaned" title="matplotlib.path.Path.cleaned"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Path.cleaned()</span></code></a></li>
<li>parameter <em>s</em> of <a class="reference internal" href="offsetbox_api.html#matplotlib.offsetbox.AnnotationBbox.get_fontsize" title="matplotlib.offsetbox.AnnotationBbox.get_fontsize"><code class="xref py py-obj docutils literal notranslate"><span class="pre">AnnotationBbox.get_fontsize()</span></code></a></li>
<li>parameter <em>label</em> of <a class="reference internal" href="axis_api.html#matplotlib.axis.Tick" title="matplotlib.axis.Tick"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Tick</span></code></a></li>
</ul>
</div>
<div class="section" id="passing-props-to-shadow">
<h4>Passing <em>props</em> to <a class="reference internal" href="_as_gen/matplotlib.patches.Shadow.html#matplotlib.patches.Shadow" title="matplotlib.patches.Shadow"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Shadow</span></code></a><a class="headerlink" href="#passing-props-to-shadow" title="Permalink to this headline">¶</a></h4>
<p>The parameter <em>props</em> of <a class="reference internal" href="_as_gen/matplotlib.patches.Shadow.html#matplotlib.patches.Shadow" title="matplotlib.patches.Shadow"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Shadow</span></code></a> is deprecated. Use keyword arguments
instead.</p>
</div>
<div class="section" id="axes-update-datalim-bounds">
<h4><code class="docutils literal notranslate"><span class="pre">Axes.update_datalim_bounds</span></code><a class="headerlink" href="#axes-update-datalim-bounds" title="Permalink to this headline">¶</a></h4>
<p>This method is deprecated. Use
<code class="docutils literal notranslate"><span class="pre">ax.dataLim.set(Bbox.union([ax.dataLim,</span> <span class="pre">bounds]))</span></code> instead.</p>
</div>
<div class="section" id="symmetrical-logscale-inverted-logtransform">
<h4><code class="docutils literal notranslate"><span class="pre">{,Symmetrical}LogScale.{,Inverted}LogTransform</span></code><a class="headerlink" href="#symmetrical-logscale-inverted-logtransform" title="Permalink to this headline">¶</a></h4>
<p><code class="docutils literal notranslate"><span class="pre">LogScale.LogTransform</span></code>, <code class="docutils literal notranslate"><span class="pre">LogScale.InvertedLogTransform</span></code>,
<code class="docutils literal notranslate"><span class="pre">SymmetricalScale.SymmetricalTransform</span></code> and
<code class="docutils literal notranslate"><span class="pre">SymmetricalScale.InvertedSymmetricalTransform</span></code> are deprecated. Directly
access the transform classes from the <a class="reference internal" href="scale_api.html#module-matplotlib.scale" title="matplotlib.scale"><code class="xref py py-mod docutils literal notranslate"><span class="pre">scale</span></code></a> module.</p>
</div>
<div class="section" id="texmanager-cachedir-texmanager-rgba-arrayd">
<h4><code class="docutils literal notranslate"><span class="pre">TexManager.cachedir</span></code>, <code class="docutils literal notranslate"><span class="pre">TexManager.rgba_arrayd</span></code><a class="headerlink" href="#texmanager-cachedir-texmanager-rgba-arrayd" title="Permalink to this headline">¶</a></h4>
<p>Use <a class="reference internal" href="matplotlib_configuration_api.html#matplotlib.get_cachedir" title="matplotlib.get_cachedir"><code class="xref py py-obj docutils literal notranslate"><span class="pre">matplotlib.get_cachedir()</span></code></a> instead for the former; there is no replacement
for the latter.</p>
</div>
<div class="section" id="setting-line2d-s-pickradius-via-line2d-set-picker">
<h4>Setting <a class="reference internal" href="_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D" title="matplotlib.lines.Line2D"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D</span></code></a>'s pickradius via <a class="reference internal" href="_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D.set_picker" title="matplotlib.lines.Line2D.set_picker"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D.set_picker</span></code></a><a class="headerlink" href="#setting-line2d-s-pickradius-via-line2d-set-picker" title="Permalink to this headline">¶</a></h4>
<p>Setting a <a class="reference internal" href="_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D" title="matplotlib.lines.Line2D"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D</span></code></a>'s pickradius (i.e. the tolerance for pick events
and containment checks) via <a class="reference internal" href="_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D.set_picker" title="matplotlib.lines.Line2D.set_picker"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D.set_picker</span></code></a> is deprecated. Use
<a class="reference internal" href="_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D.set_pickradius" title="matplotlib.lines.Line2D.set_pickradius"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D.set_pickradius</span></code></a> instead.</p>
<p><a class="reference internal" href="_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D.set_picker" title="matplotlib.lines.Line2D.set_picker"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D.set_picker</span></code></a> no longer sets the artist's custom-contain() check.</p>
</div>
<div class="section" id="artist-set-contains-artist-get-contains">
<h4><code class="docutils literal notranslate"><span class="pre">Artist.set_contains</span></code>, <code class="docutils literal notranslate"><span class="pre">Artist.get_contains</span></code><a class="headerlink" href="#artist-set-contains-artist-get-contains" title="Permalink to this headline">¶</a></h4>
<p>Setting a custom method overriding <a class="reference internal" href="_as_gen/matplotlib.artist.Artist.contains.html#matplotlib.artist.Artist.contains" title="matplotlib.artist.Artist.contains"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Artist.contains</span></code></a> is deprecated.
There is no replacement, but you may still customize pick events using
<a class="reference internal" href="_as_gen/matplotlib.artist.Artist.set_picker.html#matplotlib.artist.Artist.set_picker" title="matplotlib.artist.Artist.set_picker"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Artist.set_picker</span></code></a>.</p>
</div>
<div class="section" id="colorbar-methods">
<h4><a class="reference internal" href="colorbar_api.html#matplotlib.colorbar.Colorbar" title="matplotlib.colorbar.Colorbar"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Colorbar</span></code></a> methods<a class="headerlink" href="#colorbar-methods" title="Permalink to this headline">¶</a></h4>
<p>The <code class="docutils literal notranslate"><span class="pre">on_mappable_changed</span></code> and <code class="docutils literal notranslate"><span class="pre">update_bruteforce</span></code> methods of
<a class="reference internal" href="colorbar_api.html#matplotlib.colorbar.Colorbar" title="matplotlib.colorbar.Colorbar"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Colorbar</span></code></a> are deprecated; both can be replaced by calls
to <a class="reference internal" href="colorbar_api.html#matplotlib.colorbar.Colorbar.update_normal" title="matplotlib.colorbar.Colorbar.update_normal"><code class="xref py py-obj docutils literal notranslate"><span class="pre">update_normal</span></code></a>.</p>
</div>
<div class="section" id="oldscalarformatter-indexformatter-and-dateindexformatter">
<h4><code class="docutils literal notranslate"><span class="pre">OldScalarFormatter</span></code>, <code class="docutils literal notranslate"><span class="pre">IndexFormatter</span></code> and <code class="docutils literal notranslate"><span class="pre">DateIndexFormatter</span></code><a class="headerlink" href="#oldscalarformatter-indexformatter-and-dateindexformatter" title="Permalink to this headline">¶</a></h4>
<p>These formatters are deprecated. Their functionality can be implemented using
e.g. <a class="reference internal" href="ticker_api.html#matplotlib.ticker.FuncFormatter" title="matplotlib.ticker.FuncFormatter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FuncFormatter</span></code></a>.</p>
</div>
<div class="section" id="oldautolocator">
<h4><code class="docutils literal notranslate"><span class="pre">OldAutoLocator</span></code><a class="headerlink" href="#oldautolocator" title="Permalink to this headline">¶</a></h4>
<p>This ticker is deprecated.</p>
</div>
<div class="section" id="required-forbidden-and-allowed-parameters-of-cbook-normalize-kwargs">
<h4><em>required</em>, <em>forbidden</em> and <em>allowed</em> parameters of <a class="reference internal" href="cbook_api.html#matplotlib.cbook.normalize_kwargs" title="matplotlib.cbook.normalize_kwargs"><code class="xref py py-obj docutils literal notranslate"><span class="pre">cbook.normalize_kwargs</span></code></a><a class="headerlink" href="#required-forbidden-and-allowed-parameters-of-cbook-normalize-kwargs" title="Permalink to this headline">¶</a></h4>
<p>These parameters are deprecated.</p>
</div>
<div class="section" id="the-ttfpath-and-afmpath-environment-variables">
<h4>The <code class="docutils literal notranslate"><span class="pre">TTFPATH</span></code> and <code class="docutils literal notranslate"><span class="pre">AFMPATH</span></code> environment variables<a class="headerlink" href="#the-ttfpath-and-afmpath-environment-variables" title="Permalink to this headline">¶</a></h4>
<p>Support for the (undocumented) <code class="docutils literal notranslate"><span class="pre">TTFPATH</span></code> and <code class="docutils literal notranslate"><span class="pre">AFMPATH</span></code> environment
variables is deprecated. Additional fonts may be registered using
<code class="docutils literal notranslate"><span class="pre">matplotlib.font_manager.fontManager.addfont()</span></code>.</p>
</div>
<div class="section" id="matplotlib-compat">
<h4><code class="docutils literal notranslate"><span class="pre">matplotlib.compat</span></code><a class="headerlink" href="#matplotlib-compat" title="Permalink to this headline">¶</a></h4>
<p>This module is deprecated.</p>
</div>
<div class="section" id="matplotlib-backends-qt-editor-formsubplottool">
<h4><code class="docutils literal notranslate"><span class="pre">matplotlib.backends.qt_editor.formsubplottool</span></code><a class="headerlink" href="#matplotlib-backends-qt-editor-formsubplottool" title="Permalink to this headline">¶</a></h4>
<p>This module is deprecated. Use <code class="docutils literal notranslate"><span class="pre">matplotlib.backends.backend_qt5.SubplotToolQt</span></code>
instead.</p>
</div>
<div class="section" id="avconv-animation-writer-deprecated">
<h4>AVConv animation writer deprecated<a class="headerlink" href="#avconv-animation-writer-deprecated" title="Permalink to this headline">¶</a></h4>
<p>The <code class="docutils literal notranslate"><span class="pre">AVConvBase</span></code>, <code class="docutils literal notranslate"><span class="pre">AVConvWriter</span></code> and <code class="docutils literal notranslate"><span class="pre">AVConvFileWriter</span></code> classes, and the
associated <code class="docutils literal notranslate"><span class="pre">animation.avconv_path</span></code> and <code class="docutils literal notranslate"><span class="pre">animation.avconv_args</span></code> rcParams are
deprecated.</p>
<p>Debian 8 (2015, EOL 06/2020) and Ubuntu 14.04 (EOL 04/2019) were the
last versions of Debian and Ubuntu to ship avconv. It remains possible
to force the use of avconv by using the ffmpeg-based writers with
<code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=animation.ffmpeg_path#a-sample-matplotlibrc-file"><span class="pre">rcParams["animation.ffmpeg_path"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">'ffmpeg'</span></code>) set to "avconv".</p>
</div>
<div class="section" id="log-symlog-scale-base-ticks-and-nonpos-specification">
<h4>log/symlog scale base, ticks, and nonpos specification<a class="headerlink" href="#log-symlog-scale-base-ticks-and-nonpos-specification" title="Permalink to this headline">¶</a></h4>
<p><a class="reference internal" href="_as_gen/matplotlib.axes.Axes.semilogx.html#matplotlib.axes.Axes.semilogx" title="matplotlib.axes.Axes.semilogx"><code class="xref py py-obj docutils literal notranslate"><span class="pre">semilogx</span></code></a>, <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.semilogy.html#matplotlib.axes.Axes.semilogy" title="matplotlib.axes.Axes.semilogy"><code class="xref py py-obj docutils literal notranslate"><span class="pre">semilogy</span></code></a>, <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.loglog.html#matplotlib.axes.Axes.loglog" title="matplotlib.axes.Axes.loglog"><code class="xref py py-obj docutils literal notranslate"><span class="pre">loglog</span></code></a>, <a class="reference internal" href="scale_api.html#matplotlib.scale.LogScale" title="matplotlib.scale.LogScale"><code class="xref py py-obj docutils literal notranslate"><span class="pre">LogScale</span></code></a>, and
<a class="reference internal" href="scale_api.html#matplotlib.scale.SymmetricalLogScale" title="matplotlib.scale.SymmetricalLogScale"><code class="xref py py-obj docutils literal notranslate"><span class="pre">SymmetricalLogScale</span></code></a> used to take keyword arguments that depends on the axis
orientation ("basex" vs "basey", "subsx" vs "subsy", "nonposx" vs "nonposy");
these parameter names are now deprecated in favor of "base", "subs",
"nonpositive". This deprecation also affects e.g. <code class="docutils literal notranslate"><span class="pre">ax.set_yscale("log",</span>
<span class="pre">basey=...)</span></code> which must now be spelled <code class="docutils literal notranslate"><span class="pre">ax.set_yscale("log",</span> <span class="pre">base=...)</span></code>.</p>
<p>The change from "nonpos" to "nonpositive" also affects <a class="reference internal" href="scale_api.html#matplotlib.scale.LogTransform" title="matplotlib.scale.LogTransform"><code class="xref py py-obj docutils literal notranslate"><span class="pre">LogTransform</span></code></a>,
<a class="reference internal" href="scale_api.html#matplotlib.scale.InvertedLogTransform" title="matplotlib.scale.InvertedLogTransform"><code class="xref py py-obj docutils literal notranslate"><span class="pre">InvertedLogTransform</span></code></a>, <a class="reference internal" href="scale_api.html#matplotlib.scale.SymmetricalLogTransform" title="matplotlib.scale.SymmetricalLogTransform"><code class="xref py py-obj docutils literal notranslate"><span class="pre">SymmetricalLogTransform</span></code></a>, etc.</p>
<p>To use <em>different</em> bases for the x-axis and y-axis of a <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.loglog.html#matplotlib.axes.Axes.loglog" title="matplotlib.axes.Axes.loglog"><code class="xref py py-obj docutils literal notranslate"><span class="pre">loglog</span></code></a> plot,
use e.g. <code class="docutils literal notranslate"><span class="pre">ax.set_xscale("log",</span> <span class="pre">base=10);</span> <span class="pre">ax.set_yscale("log",</span> <span class="pre">base=2)</span></code>.</p>
</div>
<div class="section" id="draggablebase-artist-picker">
<h4><code class="docutils literal notranslate"><span class="pre">DraggableBase.artist_picker</span></code><a class="headerlink" href="#draggablebase-artist-picker" title="Permalink to this headline">¶</a></h4>
<p>This method is deprecated. If you previously reimplemented it in a subclass,
set the artist's picker instead with <a class="reference internal" href="_as_gen/matplotlib.artist.Artist.set_picker.html#matplotlib.artist.Artist.set_picker" title="matplotlib.artist.Artist.set_picker"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Artist.set_picker</span></code></a>.</p>
</div>
<div class="section" id="clear-temp-parameter-and-attribute-of-filemoviewriter">
<h4><em>clear_temp</em> parameter and attribute of <a class="reference internal" href="_as_gen/matplotlib.animation.FileMovieWriter.html#matplotlib.animation.FileMovieWriter" title="matplotlib.animation.FileMovieWriter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FileMovieWriter</span></code></a><a class="headerlink" href="#clear-temp-parameter-and-attribute-of-filemoviewriter" title="Permalink to this headline">¶</a></h4>
<p>The <em>clear_temp</em> parameter and attribute of <a class="reference internal" href="_as_gen/matplotlib.animation.FileMovieWriter.html#matplotlib.animation.FileMovieWriter" title="matplotlib.animation.FileMovieWriter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">FileMovieWriter</span></code></a> is
deprecated. In the future, files placed in a temporary directory (using
<code class="docutils literal notranslate"><span class="pre">frame_prefix=None</span></code>, the default) will be cleared; files placed elsewhere
will not.</p>
</div>
<div class="section" id="deprecated-rcparams-validators">
<h4>Deprecated rcParams validators<a class="headerlink" href="#deprecated-rcparams-validators" title="Permalink to this headline">¶</a></h4>
<p>The following validators, defined in <a class="reference internal" href="rcsetup_api.html#module-matplotlib.rcsetup" title="matplotlib.rcsetup"><code class="xref py py-obj docutils literal notranslate"><span class="pre">rcsetup</span></code></a>, are deprecated:
<code class="docutils literal notranslate"><span class="pre">validate_fontset</span></code>, <code class="docutils literal notranslate"><span class="pre">validate_mathtext_default</span></code>, <code class="docutils literal notranslate"><span class="pre">validate_alignment</span></code>,
<code class="docutils literal notranslate"><span class="pre">validate_svg_fontset</span></code>, <code class="docutils literal notranslate"><span class="pre">validate_pgf_texsystem</span></code>,
<code class="docutils literal notranslate"><span class="pre">validate_movie_frame_fmt</span></code>, <code class="docutils literal notranslate"><span class="pre">validate_axis_locator</span></code>,
<code class="docutils literal notranslate"><span class="pre">validate_movie_html_fmt</span></code>, <code class="docutils literal notranslate"><span class="pre">validate_grid_axis</span></code>,
<code class="docutils literal notranslate"><span class="pre">validate_axes_titlelocation</span></code>, <code class="docutils literal notranslate"><span class="pre">validate_toolbar</span></code>,
<code class="docutils literal notranslate"><span class="pre">validate_ps_papersize</span></code>, <code class="docutils literal notranslate"><span class="pre">validate_legend_loc</span></code>,
<code class="docutils literal notranslate"><span class="pre">validate_bool_maybe_none</span></code>, <code class="docutils literal notranslate"><span class="pre">validate_hinting</span></code>,
<code class="docutils literal notranslate"><span class="pre">validate_movie_writers</span></code>, <code class="docutils literal notranslate"><span class="pre">validate_webagg_address</span></code>,
<code class="docutils literal notranslate"><span class="pre">validate_nseq_float</span></code>, <code class="docutils literal notranslate"><span class="pre">validate_nseq_int</span></code>.
To test whether an rcParam value would be acceptable, one can test e.g. <code class="docutils literal notranslate"><span class="pre">rc</span> <span class="pre">=</span>
<span class="pre">RcParams();</span> <span class="pre">rc[k]</span> <span class="pre">=</span> <span class="pre">v</span></code> raises an exception.</p>
</div>
<div class="section" id="stricter-rcparam-validation">
<h4>Stricter rcParam validation<a class="headerlink" href="#stricter-rcparam-validation" title="Permalink to this headline">¶</a></h4>
<p><code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=axes.axisbelow#a-sample-matplotlibrc-file"><span class="pre">rcParams["axes.axisbelow"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">'line'</span></code>) currently normalizes all strings starting with "line"
(case-insensitive) to the option "line". This is deprecated; in a future
version only the exact string "line" (case-sensitive) will be supported.</p>
</div>
<div class="section" id="add-subplot-validates-its-inputs">
<h4><code class="docutils literal notranslate"><span class="pre">add_subplot()</span></code> validates its inputs<a class="headerlink" href="#add-subplot-validates-its-inputs" title="Permalink to this headline">¶</a></h4>
<p>In particular, for <code class="docutils literal notranslate"><span class="pre">add_subplot(rows,</span> <span class="pre">cols,</span> <span class="pre">index)</span></code>, all parameters must
be integral. Previously strings and floats were accepted and converted to
int. This will now emit a deprecation warning.</p>
</div>
<div class="section" id="toggling-axes-navigation-from-the-keyboard-using-a-and-digit-keys">
<h4>Toggling axes navigation from the keyboard using "a" and digit keys<a class="headerlink" href="#toggling-axes-navigation-from-the-keyboard-using-a-and-digit-keys" title="Permalink to this headline">¶</a></h4>
<p>Axes navigation can still be toggled programmatically using
<a class="reference internal" href="_as_gen/matplotlib.axes.Axes.set_navigate.html#matplotlib.axes.Axes.set_navigate" title="matplotlib.axes.Axes.set_navigate"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.set_navigate</span></code></a>.</p>
<p>The following related APIs are also deprecated:
<code class="docutils literal notranslate"><span class="pre">backend_tools.ToolEnableAllNavigation</span></code>,
<code class="docutils literal notranslate"><span class="pre">backend_tools.ToolEnableNavigation</span></code>, and <code class="docutils literal notranslate"><span class="pre">rcParams["keymap.all_axes"]</span></code>.</p>
</div>
<div class="section" id="matplotlib-test-recursionlimit">
<h4><code class="docutils literal notranslate"><span class="pre">matplotlib.test(recursionlimit=...)</span></code><a class="headerlink" href="#matplotlib-test-recursionlimit" title="Permalink to this headline">¶</a></h4>
<p>The <em>recursionlimit</em> parameter of <code class="docutils literal notranslate"><span class="pre">matplotlib.test</span></code> is deprecated.</p>
</div>
<div class="section" id="mathtext-glues">
<h4>mathtext glues<a class="headerlink" href="#mathtext-glues" title="Permalink to this headline">¶</a></h4>
<p>The <em>copy</em> parameter of <code class="docutils literal notranslate"><span class="pre">mathtext.Glue</span></code> is deprecated (the underlying glue
spec is now immutable). <code class="docutils literal notranslate"><span class="pre">mathtext.GlueSpec</span></code> is deprecated.</p>
</div>
<div class="section" id="signatures-of-artist-draw-and-axes-draw">
<h4>Signatures of <a class="reference internal" href="_as_gen/matplotlib.artist.Artist.draw.html#matplotlib.artist.Artist.draw" title="matplotlib.artist.Artist.draw"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Artist.draw</span></code></a> and <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.draw.html#matplotlib.axes.Axes.draw" title="matplotlib.axes.Axes.draw"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.draw</span></code></a><a class="headerlink" href="#signatures-of-artist-draw-and-axes-draw" title="Permalink to this headline">¶</a></h4>
<p>The <em>inframe</em> parameter to <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.draw.html#matplotlib.axes.Axes.draw" title="matplotlib.axes.Axes.draw"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.draw</span></code></a> is deprecated. Use
<a class="reference internal" href="_as_gen/matplotlib.axes.Axes.redraw_in_frame.html#matplotlib.axes.Axes.redraw_in_frame" title="matplotlib.axes.Axes.redraw_in_frame"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.redraw_in_frame</span></code></a> instead.</p>
<p>Not passing the <em>renderer</em> parameter to <a class="reference internal" href="_as_gen/matplotlib.axes.Axes.draw.html#matplotlib.axes.Axes.draw" title="matplotlib.axes.Axes.draw"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes.draw</span></code></a> is deprecated. Use
<code class="docutils literal notranslate"><span class="pre">axes.draw_artist(axes)</span></code> instead.</p>
<p>These changes make the signature of the <code class="docutils literal notranslate"><span class="pre">draw</span></code> (<code class="docutils literal notranslate"><span class="pre">artist.draw(renderer)</span></code>)
method consistent across all artists; thus, additional parameters to
<a class="reference internal" href="_as_gen/matplotlib.artist.Artist.draw.html#matplotlib.artist.Artist.draw" title="matplotlib.artist.Artist.draw"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Artist.draw</span></code></a> are deprecated.</p>
</div>
<div class="section" id="draggablebase-on-motion-blit">
<h4><code class="docutils literal notranslate"><span class="pre">DraggableBase.on_motion_blit</span></code><a class="headerlink" href="#draggablebase-on-motion-blit" title="Permalink to this headline">¶</a></h4>
<p>This method is deprecated. <a class="reference internal" href="offsetbox_api.html#matplotlib.offsetbox.DraggableBase.on_motion" title="matplotlib.offsetbox.DraggableBase.on_motion"><code class="xref py py-obj docutils literal notranslate"><span class="pre">DraggableBase.on_motion</span></code></a> now handles both the
blitting and the non-blitting cases.</p>
</div>
<div class="section" id="passing-the-dash-offset-as-none">
<h4>Passing the dash offset as None<a class="headerlink" href="#passing-the-dash-offset-as-none" title="Permalink to this headline">¶</a></h4>
<p>Fine control of dash patterns can be achieved by passing an <code class="docutils literal notranslate"><span class="pre">(offset,</span>
<span class="pre">(on-length,</span> <span class="pre">off-length,</span> <span class="pre">on-length,</span> <span class="pre">off-length,</span> <span class="pre">...))</span></code> pair as the linestyle
property of <a class="reference internal" href="_as_gen/matplotlib.lines.Line2D.html#matplotlib.lines.Line2D" title="matplotlib.lines.Line2D"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Line2D</span></code></a> and <a class="reference internal" href="collections_api.html#matplotlib.collections.LineCollection" title="matplotlib.collections.LineCollection"><code class="xref py py-obj docutils literal notranslate"><span class="pre">LineCollection</span></code></a>. Previously, certain APIs would
accept <code class="docutils literal notranslate"><span class="pre">offset</span> <span class="pre">=</span> <span class="pre">None</span></code> as a synonym for <code class="docutils literal notranslate"><span class="pre">offset</span> <span class="pre">=</span> <span class="pre">0</span></code>, but this was never
universally implemented, e.g. for vector output. Support for <code class="docutils literal notranslate"><span class="pre">offset</span> <span class="pre">=</span> <span class="pre">None</span></code>
is deprecated, set the offset to 0 instead.</p>
</div>
<div class="section" id="renderercairo-fontweights-renderercairo-fontangles">
<h4><code class="docutils literal notranslate"><span class="pre">RendererCairo.fontweights</span></code>, <code class="docutils literal notranslate"><span class="pre">RendererCairo.fontangles</span></code><a class="headerlink" href="#renderercairo-fontweights-renderercairo-fontangles" title="Permalink to this headline">¶</a></h4>
<p>... are deprecated.</p>
</div>
<div class="section" id="autofmt-xdate-which-none">
<h4><code class="docutils literal notranslate"><span class="pre">autofmt_xdate(which=None)</span></code><a class="headerlink" href="#autofmt-xdate-which-none" title="Permalink to this headline">¶</a></h4>
<p>This is deprecated, use its more explicit synonym, <code class="docutils literal notranslate"><span class="pre">which="major"</span></code>, instead.</p>
</div>
<div class="section" id="jpeg-options">
<h4>JPEG options<a class="headerlink" href="#jpeg-options" title="Permalink to this headline">¶</a></h4>
<p>The <em>quality</em>, <em>optimize</em>, and <em>progressive</em> keyword arguments to
<a class="reference internal" href="_as_gen/matplotlib.figure.Figure.html#matplotlib.figure.Figure.savefig" title="matplotlib.figure.Figure.savefig"><code class="xref py py-obj docutils literal notranslate"><span class="pre">savefig</span></code></a>, which were only used when saving to JPEG, are deprecated.
<code class="docutils literal notranslate"><a class="reference external" href="../tutorials/introductory/customizing.html?highlight=savefig.jpeg_quality#a-sample-matplotlibrc-file"><span class="pre">rcParams["savefig.jpeg_quality"]</span></a></code> (default: <code class="docutils literal notranslate"><span class="pre">95</span></code>) is likewise deprecated.</p>
<p>Such options should now be directly passed to Pillow using
<code class="docutils literal notranslate"><span class="pre">savefig(...,</span> <span class="pre">pil_kwargs={"quality":</span> <span class="pre">...,</span> <span class="pre">"optimize":</span> <span class="pre">...,</span> <span class="pre">"progressive":</span> <span class="pre">...})</span></code>.</p>
</div>
<div class="section" id="dviread-encoding">
<h4><code class="docutils literal notranslate"><span class="pre">dviread.Encoding</span></code><a class="headerlink" href="#dviread-encoding" title="Permalink to this headline">¶</a></h4>
<p>This class was (mostly) broken and is deprecated.</p>
</div>
<div class="section" id="axis-and-locator-pan-and-zoom">
<h4>Axis and Locator <code class="docutils literal notranslate"><span class="pre">pan</span></code> and <code class="docutils literal notranslate"><span class="pre">zoom</span></code><a class="headerlink" href="#axis-and-locator-pan-and-zoom" title="Permalink to this headline">¶</a></h4>
<p>The unused <code class="docutils literal notranslate"><span class="pre">pan</span></code> and <code class="docutils literal notranslate"><span class="pre">zoom</span></code> methods of <a class="reference internal" href="axis_api.html#matplotlib.axis.Axis" title="matplotlib.axis.Axis"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axis</span></code></a> and <a class="reference internal" href="ticker_api.html#matplotlib.ticker.Locator" title="matplotlib.ticker.Locator"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Locator</span></code></a>
are deprecated. Panning and zooming are now implemented using the
<code class="docutils literal notranslate"><span class="pre">start_pan</span></code>, <code class="docutils literal notranslate"><span class="pre">drag_pan</span></code>, and <code class="docutils literal notranslate"><span class="pre">end_pan</span></code> methods of <a class="reference internal" href="axes_api.html#matplotlib.axes.Axes" title="matplotlib.axes.Axes"><code class="xref py py-obj docutils literal notranslate"><span class="pre">Axes</span></code></a>.</p>
</div>
<div class="section" id="passing-none-to-various-axes-subclass-factories">
<h4>Passing None to various Axes subclass factories<a class="headerlink" href="#passing-none-to-various-axes-subclass-factories" title="Permalink to this headline">¶</a></h4>
<p>Support for passing <code class="docutils literal notranslate"><span class="pre">None</span></code> as base class to <a class="reference internal" href="_as_gen/matplotlib.axes.subplot_class_factory.html#matplotlib.axes.subplot_class_factory" title="matplotlib.axes.subplot_class_factory"><code class="xref py py-obj docutils literal notranslate"><span class="pre">axes.subplot_class_factory</span></code></a>,
<code class="docutils literal notranslate"><span class="pre">axes_grid1.parasite_axes.host_axes_class_factory</span></code>,
<code class="docutils literal notranslate"><span class="pre">axes_grid1.parasite_axes.host_subplot_class_factory</span></code>,
<code class="docutils literal notranslate"><span class="pre">axes_grid1.parasite_axes.parasite_axes_class_factory</span></code>, and
<code class="docutils literal notranslate"><span class="pre">axes_grid1.parasite_axes.parasite_axes_auxtrans_class_factory</span></code> is deprecated.
Explicitly pass the correct base <code class="docutils literal notranslate"><span class="pre">Axes</span></code> class instead.</p>
</div>
<div class="section" id="axes-rgb">
<h4><code class="docutils literal notranslate"><span class="pre">axes_rgb</span></code><a class="headerlink" href="#axes-rgb" title="Permalink to this headline">¶</a></h4>
<p>In <a class="reference internal" href="_as_gen/mpl_toolkits.axes_grid1.axes_rgb.html#module-mpl_toolkits.axes_grid1.axes_rgb" title="mpl_toolkits.axes_grid1.axes_rgb"><code class="xref py py-mod docutils literal notranslate"><span class="pre">mpl_toolkits.axes_grid1.axes_rgb</span></code></a>, <code class="docutils literal notranslate"><span class="pre">imshow_rgb</span></code> is deprecated (use
<code class="docutils literal notranslate"><span class="pre">ax.imshow(np.dstack([r,</span> <span class="pre">g,</span> <span class="pre">b]))</span></code> instead); <code class="docutils literal notranslate"><span class="pre">RGBAxesBase</span></code> is deprecated
(use <code class="docutils literal notranslate"><span class="pre">RGBAxes</span></code> instead); <code class="docutils literal notranslate"><span class="pre">RGBAxes.add_RGB_to_figure</span></code> is deprecated (it was
an internal helper).</p>
</div>
<div class="section" id="substitution-from-params">
<h4><code class="docutils literal notranslate"><span class="pre">Substitution.from_params</span></code><a class="headerlink" href="#substitution-from-params" title="Permalink to this headline">¶</a></h4>
<p>This method is deprecated. If needed, directly assign to the <code class="docutils literal notranslate"><span class="pre">params</span></code>
attribute of the Substitution object.</p>
</div>
<div class="section" id="pgf-backend-cleanups">
<h4>PGF backend cleanups<a class="headerlink" href="#pgf-backend-cleanups" title="Permalink to this headline">¶</a></h4>
<p>The <em>dummy</em> parameter of <a class="reference internal" href="backend_pgf_api.html#matplotlib.backends.backend_pgf.RendererPgf" title="matplotlib.backends.backend_pgf.RendererPgf"><code class="xref py py-obj docutils literal notranslate"><span class="pre">RendererPgf</span></code></a> is deprecated.</p>
<p><a class="reference internal" href="backend_pgf_api.html#matplotlib.backends.backend_pgf.GraphicsContextPgf" title="matplotlib.backends.backend_pgf.GraphicsContextPgf"><code class="xref py py-obj docutils literal notranslate"><span class="pre">GraphicsContextPgf</span></code></a> is deprecated (use <a class="reference internal" href="backend_bases_api.html#matplotlib.backend_bases.GraphicsContextBase" title="matplotlib.backend_bases.GraphicsContextBase"><code class="xref py py-obj docutils literal notranslate"><span class="pre">GraphicsContextBase</span></code></a> instead).</p>
</div>
<div class="section" id="set-factor-method-of-mpl-toolkits-axisartist-locators">
<h4><code class="docutils literal notranslate"><span class="pre">set_factor</span></code> method of <a class="reference internal" href="toolkits/axisartist.html#module-mpl_toolkits.axisartist" title="mpl_toolkits.axisartist"><code class="xref py py-mod docutils literal notranslate"><span class="pre">mpl_toolkits.axisartist</span></code></a> locators<a class="headerlink" href="#set-factor-method-of-mpl-toolkits-axisartist-locators" title="Permalink to this headline">¶</a></h4>
<p>The <code class="docutils literal notranslate"><span class="pre">set_factor</span></code> method of <a class="reference internal" href="toolkits/axisartist.html#module-mpl_toolkits.axisartist" title="mpl_toolkits.axisartist"><code class="xref py py-mod docutils literal notranslate"><span class="pre">mpl_toolkits.axisartist</span></code></a> locators (which are
different from "standard" Matplotlib tick locators) is deprecated.</p>
</div>
<div class="section" id="widgets-subplottool-callbacks-and-axes">
<h4><a class="reference internal" href="widgets_api.html#matplotlib.widgets.SubplotTool" title="matplotlib.widgets.SubplotTool"><code class="xref py py-obj docutils literal notranslate"><span class="pre">widgets.SubplotTool</span></code></a> callbacks and axes<a class="headerlink" href="#widgets-subplottool-callbacks-and-axes" title="Permalink to this headline">¶</a></h4>
<p>The <code class="docutils literal notranslate"><span class="pre">funcleft</span></code>, <code class="docutils literal notranslate"><span class="pre">funcright</span></code>, <code class="docutils literal notranslate"><span class="pre">funcbottom</span></code>, <code class="docutils literal notranslate"><span class="pre">functop</span></code>, <code class="docutils literal notranslate"><span class="pre">funcwspace</span></code>,
and <code class="docutils literal notranslate"><span class="pre">funchspace</span></code> methods of <a class="reference internal" href="widgets_api.html#matplotlib.widgets.SubplotTool" title="matplotlib.widgets.SubplotTool"><code class="xref py py-obj docutils literal notranslate"><span class="pre">widgets.SubplotTool</span></code></a> are deprecated.</p>
<p>The <code class="docutils literal notranslate"><span class="pre">axleft</span></code>, <code class="docutils literal notranslate"><span class="pre">axright</span></code>, <code class="docutils literal notranslate"><span class="pre">axbottom</span></code>, <code class="docutils literal notranslate"><span class="pre">axtop</span></code>, <code class="docutils literal notranslate"><span class="pre">axwspace</span></code>, and
<code class="docutils literal notranslate"><span class="pre">axhspace</span></code> attributes of <a class="reference internal" href="widgets_api.html#matplotlib.widgets.SubplotTool" title="matplotlib.widgets.SubplotTool"><code class="xref py py-obj docutils literal notranslate"><span class="pre">widgets.SubplotTool</span></code></a> are deprecated. Access the
<code class="docutils literal notranslate"><span class="pre">ax</span></code> attribute of the corresponding slider, if needed.</p>
</div>
<div class="section" id="mathtext-glue-helper-classes">
<h4>mathtext <code class="docutils literal notranslate"><span class="pre">Glue</span></code> helper classes<a class="headerlink" href="#mathtext-glue-helper-classes" title="Permalink to this headline">¶</a></h4>
<p>The <code class="docutils literal notranslate"><span class="pre">Fil</span></code>, <code class="docutils literal notranslate"><span class="pre">Fill</span></code>, <code class="docutils literal notranslate"><span class="pre">Filll</span></code>, <code class="docutils literal notranslate"><span class="pre">NegFil</span></code>, <code class="docutils literal notranslate"><span class="pre">NegFill</span></code>, <code class="docutils literal notranslate"><span class="pre">NegFilll</span></code>, and