diff --git a/preload.js b/preload.js
new file mode 100644
index 000000000..2014a685a
--- /dev/null
+++ b/preload.js
@@ -0,0 +1,9 @@
+console.log('in preload', __dirname)
+
+PreApp = {
+	log: s => {console.log('PreApp:', s)},
+}
+
+window.addEventListener('load', e => {
+	PreApp.log('in onLoad')
+})
diff --git a/sync.js b/sync.js
index 01c6ccc0f..d7db2dcb4 100644
--- a/sync.js
+++ b/sync.js
@@ -5,7 +5,9 @@ const child_process = require('child_process')
 const wardir = path.resolve(__dirname, 'draw.io', 'war')
 const appjsonpath = path.resolve(wardir, 'package.json')
 
-let ver = fs.readFileSync(path.resolve(__dirname, 'draw.io', 'VERSION'), 'utf8')
+// let ver = fs.readFileSync(path.resolve(__dirname, 'draw.io', 'VERSION'), 'utf8')
+
+let ver = '6.2.5' // just to test autoupdate
 
 let pj = require(appjsonpath)