diff --git a/HISTORY.md b/HISTORY.md
index 0aaa520..7128bf2 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -5,6 +5,7 @@ https://github.com/josdejong/jsoneditor
 ## not yet published, version 7.0.0
 
 - Dropped support for bower, removed the `dist` folder from the git repository.
+- Converted the code into ES6, put Babel transpiler in place.
 
 
 ## 2019-08-28, version 6.4.0