Add api changes

jenshnielsen · jenshnielsen · commit da93a3b76ebc · 2016-06-20T21:13:54.000+01:00
diff --git a/doc/api/api_changes/2016-06-deprecate_backends.rst b/doc/api/api_changes/2016-06-deprecate_backends.rst
@@ -0,0 +1,20 @@
+GTK and GDK backends deprecated
+```````````````````````````````
+The untested and broken GDK and GTK backends have been deprecated.
+These backends allows figures to be rendered via the GDK api to
+files and GTK2 figures. They are untested, known to be broken and 
+use have been discouraged for some time. The `GTKAgg` and `GTKCairo` backends
+provide better and more tested ways of rendering figures to GTK2 windows.
+
+WX backend deprecated
+`````````````````````
+The untested WX backend has been deprecated.
+This backend allows figures to be rendered via the WX api to
+files and Wx figures. It is untested, and 
+use have been discouraged for some time. The `WXAgg` backend
+provides a better and more tested way of rendering figures to WX windows.
+
+CocoaAgg backend removed
+````````````````````````
+
+The deprecated and not fully functional CocoaAgg backend has been removed
