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Commit e467be4

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Remove redundant behaviour changes in 3.6
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‎doc/api/prev_api_changes/api_changes_3.6.0/behaviour.rst

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@@ -19,19 +19,6 @@ AGG renderer. Previously such a large image would be shown incorrectly. To
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prevent this downsampling and the warning it raises, manually downsample your
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data before handing it to `~matplotlib.axes.Axes.imshow`.
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New *algorithm* keyword argument to ``contour`` and ``contourf``
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The contouring functions `~matplotlib.axes.Axes.contour` and
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`~matplotlib.axes.Axes.contourf` have a new keyword argument *algorithm* to
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control which algorithm is used to calculate the contours. There is a choice of
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four algorithms to use, and the default is to use ``algorithm='mpl2014'`` which
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is the same algorithm that Matplotlib has been using since 2014.
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Other possible values of the *algorithm* keyword argument are ``'mpl2005'``,
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``'serial'`` and ``'threaded'``; see the `ContourPy documentation
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<https://contourpy.readthedocs.io>`_ for further details.
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Default date limits changed to 1970-01-01 – 1970-01-02
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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@@ -64,14 +51,6 @@ Previously `.Axis.get_ticklabels` (and `.Axes.get_xticklabels`,
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already been performed. Now the ticks and their labels are updated when the
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labels are requested.
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Added *markerfacecoloralt* parameter to ``Axes.errorbar``
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The *markerfacecoloralt* parameter is now passed to the line plotter from
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`.Axes.errorbar`. The documentation now accurately lists which properties are
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passed to `.Line2D`, rather than claiming that all keyword arguments are passed
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on.
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Warning when scatter plot color settings discarded
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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‎doc/users/prev_whats_new/whats_new_3.6.0.rst

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@@ -234,19 +234,22 @@ only be set globally via :rc:`contour.negative_linestyles`.
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axs[1].clabel(CS, fontsize=9, inline=True)
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axs[1].set_title('Dotted negative contours')
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ContourPy used for quad contour calculations
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--------------------------------------------
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Imrpoved quad contour calculations via ContourPy
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------------------------------------------------
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The contouring functions `~.axes.Axes.contour` and `~.axes.Axes.contourf` have
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a new keyword argument *algorithm* to control which algorithm is used to
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calculate the contours. There is a choice of four algorithms to use, and the
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default is to use ``algorithm='mpl2014'`` which is the same algorithm that
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Matplotlib has been using since 2014.
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Previously Matplotlib shipped its own C++ code for calculating the contours of
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quad grids. Now the external library `ContourPy
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<https://github.com/contourpy/contourpy>`_ is used instead. There is a choice
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of four algorithms to use, controlled by the *algorithm* keyword argument to
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the functions `~.axes.Axes.contour` and `~.axes.Axes.contourf`. The default
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behaviour is to use ``algorithm='mpl2014'`` which is the same algorithm that
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Matplotlib has been using since 2014.
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<https://github.com/contourpy/contourpy>`_ is used instead.
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See the `ContourPy documentation <https://contourpy.readthedocs.io>`_ for
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further details of the different algorithms.
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Other possible values of the *algorithm* keyword argument at this time are
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``'mpl2005'``, ``'serial'`` and ``'threaded'``; see the `ContourPy
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documentation <https://contourpy.readthedocs.io>`_ for further details.
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.. note::
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