Document hexbin linecolor kwarg changes

dstansby · dstansby · commit f97879dc01d4 · 2016-11-23T21:57:53.000Z
diff --git a/doc/users/dflt_style_changes.rst b/doc/users/dflt_style_changes.rst
@@ -560,6 +560,13 @@ or by setting::
 
 in your :file:`matplotlibrc` file.
 
+``hexbin``
+----------
+
+The default value of the ``linecolor`` kwarg for `~matplotlib.Axes.hexbin` has
+changed from ``'none'`` to ``'face'``. If 'none' is now supplied, no line edges
+are drawn around the hexagons.
+
 ``bar`` and ``barh``
 ====================
 
diff --git a/doc/users/whats_new/default_hexbin_linecolor.rst b/doc/users/whats_new/default_hexbin_linecolor.rst
@@ -0,0 +1,5 @@
+Hexbin default line color
+-------------------------
+
+The default ``linecolor`` kwarg for :func:`hexbin` is now ``'face'``, and
+supplying ``'none'`` now prevents lines from being drawn around the hexagons.
