===================================================================
RCS file: /cvsrepo/anoncvs/cvs/www/64.html,v
retrieving revision 1.17
retrieving revision 1.18
diff -u -r1.17 -r1.18
--- www/64.html	2018/10/01 19:31:33	1.17
+++ www/64.html	2018/10/01 19:50:43	1.18
@@ -131,7 +131,9 @@
 
 <li>Security improvements:
     <ul>
-    <li>
+    <li>New "retguard" security mechanism on amd64 and arm64:
+        use per-function random cookies to protect access to function
+        return instructions, making them harder to use in ROP gadgets.
     </ul>
 <p>