diff --git a/ui (gen4)/features/app.js b/ui (gen4)/features/app.js
index 0e5898be..97bfb95d 100755
--- a/ui (gen4)/features/app.js	
+++ b/ui (gen4)/features/app.js	
@@ -362,7 +362,9 @@ var BrowserHostActions = actions.Actions({
 	set title(value){
 		$('title').text(value) },
 
-	// XXX add handler to toggle app button view -- or use the propper feature...
+	// XXX this makes document.body fullscreen as expanding .dom breaks 
+	// 		aligning -- this might be a sign that we are not placing 
+	// 		some things relative to .dom...
 	toggleFullScreen: ['Window/Full screen mode',
 		toggler.CSSClassToggler(
 			function(){ return document.body }, 
@@ -371,7 +373,7 @@ var BrowserHostActions = actions.Actions({
 				var that = this
 
 				// get current state...
-				var state = document.fullscreen ? 'on' : 'off'
+				var state = document.fullscreenElement ? 'on' : 'off'
 
 				// change the state only if the target state is not the same
 				// as the current state...
@@ -385,6 +387,7 @@ var BrowserHostActions = actions.Actions({
 						document.exitFullscreen()
 						// XXX id document.body the right scope here???
 						// 		...this.dom[0] seems to break alignment...
+						//: this.dom[0].requestFullscreen()
 						: document.body.requestFullscreen()
 
 					setTimeout(function(){ 
diff --git a/ui (gen4)/features/virtual-blocks.js b/ui (gen4)/features/virtual-blocks.js
index e23c4ac1..ac1a4357 100644
--- a/ui (gen4)/features/virtual-blocks.js	
+++ b/ui (gen4)/features/virtual-blocks.js	
@@ -36,7 +36,7 @@ var VirtualBlocksActions = actions.Actions({
 		var that = this
 		return this.data.order
 			.filter(function(gid){ 
-				img = that.images[gid] || {}
+				var img = that.images[gid] || {}
 				return img.type == 'virtual' }) },
 
 	// construction of new "virtual images"...
diff --git a/ui (gen4)/package-lock.json b/ui (gen4)/package-lock.json
index b7d49438..6a0e3daa 100755
--- a/ui (gen4)/package-lock.json	
+++ b/ui (gen4)/package-lock.json	
@@ -956,9 +956,9 @@
       }
     },
     "ig-object": {
-      "version": "2.5.0",
-      "resolved": "https://registry.npmjs.org/ig-object/-/ig-object-2.5.0.tgz",
-      "integrity": "sha512-6A/6dFOusbannm/23cx848Yk1PQpEmcorJ5L+0H1urkMBtL+a3VXyS2q0C6SVAxyeJCoPeMg7KACNnrPPJMP7g=="
+      "version": "2.7.2",
+      "resolved": "https://registry.npmjs.org/ig-object/-/ig-object-2.7.2.tgz",
+      "integrity": "sha512-oDkhxH2mnrC148nNeLuYbgT1c6XNuJbVWm7j6WStIUZPpOQWR7/XnE4uodKmwjP47GbBKWuWtPhjA+F9pUubaA=="
     },
     "image-size": {
       "version": "0.5.5",
@@ -1265,9 +1265,9 @@
       "integrity": "sha1-jrbgqZ+HrTT/8YJzMRBJadjFBP4="
     },
     "moment": {
-      "version": "2.24.0",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.24.0.tgz",
-      "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
+      "version": "2.25.1",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.25.1.tgz",
+      "integrity": "sha512-nRKMf9wDS4Fkyd0C9LXh2FFXinD+iwbJ5p/lh3CHitW9kZbRbJ8hCruiadiIXZVbeAqKZzqcTvHnK3mRhFjb6w=="
     },
     "ms": {
       "version": "2.1.2",
diff --git a/ui (gen4)/package.json b/ui (gen4)/package.json
index 7d1fe487..e67f52fe 100755
--- a/ui (gen4)/package.json	
+++ b/ui (gen4)/package.json	
@@ -29,8 +29,8 @@
     "guarantee-events": "^1.0.0",
     "ig-actions": "^3.24.10",
     "ig-features": "^3.4.2",
-    "ig-object": "^2.5.0",
-    "moment": "^2.24.0",
+    "ig-object": "^2.7.2",
+    "moment": "^2.25.1",
     "requirejs": "^2.3.6",
     "requirejs-plugins": "^1.0.2",
     "sharp": "^0.22.1",