* The ``classic`` option of the rc parameter ``toolbar`` is deprecated

and will be removed in the next release.

is no longer functional.

zorder below which artists are rasterized. This has defaulted to

rasterized. In order to rasterize artists below a given zorder

when specifying a marker using a tuple, the angle is now specified

in degrees, not radians.

``savefig.extension``, and sets the default file format used by

:meth:`matplotlib.figure.Figure.savefig`.

in favour of axes class identification using

:func:`~matplotlib.projections.process_projection_requirements` followed by

direct axes class invocation (at the time of writing, functions which do this

and py2.7. It is anticipated that the Qt3 support will be completely

removed for the next release.

:class:`~matplotlib.colors.Colormap` and

:class:`~matplotlib.colors.Normalize` now subclasses ``object``

It is rare that we make an API change in a bugfix release, however,

for 1.3.1 since 1.3.0 the following change was made:

private variable. Among the obvious encapsulation benefit, this

removes this confusing-looking member from the documentation.

* The following items that were deprecated in version 1.2 or earlier

have now been removed completely.

- The FltkAgg and Emf backends have been removed.

functionality on `matplotlib.path.Path.contains_point` and

friends instead.

Related to this, the following rcParams have been removed:

(relative width).

For a circle made up of line segments, use

- The printing functions in the Wx backend have been removed due

to the burden of keeping them up-to-date.

been removed. We recommend using `numpy.savetxt` and

`numpy.loadtxt` instead.

Code deprecation

* The top-level functions in `matplotlib.path` that are implemented in

C++ were never meant to be public. Instead, users should use the

your code:

been deprecated in favour of `matplotlib.colors.Normalize` and

`matplotlib.colors.NoNorm` respectively.

instance.

module should transition to simply using ``import matplotlib as mpl``.

Code changes

large ``linewidth``. Previously, :class:`~matplotlib.patches.Patch` used

``capstyle='projecting'``.

If you have code that modified these, you will need to make a

deepcopy first, using either::

* The list at ``Path.NUM_VERTICES`` was replaced by a dictionary mapping

Path codes to the number of expected vertices at

:attr:`~matplotlib.path.Path.NUM_VERTICES_FOR_CODE`.

method's signature was updated to require a sketch argument. Users of

:meth:`~matplotlib.path.Path.cleaned` Path method.

* Data limits on a plot now start from a state of having "null"

limits, rather than limits in the range (0, 1). This has an effect

on artists that only control limits in one direction, such as

computed limits would be dependent on the order in which artists

were added to the axes.

width``.

* It is now possible to provide ``number of levels + 1`` colors in the case of

extend value ``min`` or ``max``) such that the resulting colormap's

``set_under`` and ``set_over`` are defined appropriately. Any other number

of colors will continue to behave as before (if more colors are provided

raises :class:`NotImplementedError` instead of :class:`OSError` if the

:command:`ps` command cannot be run.

Configuration and rcParams

`XDG Base Directory Specification

<https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html>`_.

rcParam has been set, and will not retroactively affect already

existing text objects. This brings their behavior in line with most

other rcParams.