--- a/doc/3.20.rst	Fri May 02 17:57:37 2014 +0200
+++ b/doc/3.20.rst	Fri May 02 17:58:57 2014 +0200
@@ -6,3 +6,5 @@
 
 * most 3.10 backward compat is gone (box related objects are still
   there, but you are encouraged to not depend on them)
+
+* 3.11 backward compat is gone