diff --git a/releasenotes.md b/releasenotes.md
index d4b78d2..e02bea6 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -26,6 +26,7 @@ Current Version: 6.0.0
 
 * Modular optimization system; this can be accessed via the ChaiScript_Basic interface
 * Execution tracing capability; also accessed via ChaiScript_Basic interface
+* range-based for loops `for( id : container ) { }`
 
 #### Improvements