Block sets are now safe.  This fixes #490
diff --git a/CHANGES b/CHANGES
index 5f69137..65bf969 100644
--- a/CHANGES
+++ b/CHANGES
@@ -27,6 +27,7 @@
   autoescaping information at call time instead of macro define time.
 - Ported a modified version of the `tojson` filter from Flask to Jinja2
   and hooked it up with the new policy framework.
+- Block sets are now marked `safe` by default.
 
 Version 2.8.2
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