diff --git a/ui (gen4)/features/base.js b/ui (gen4)/features/base.js
index df20d768..e7a70732 100755
--- a/ui (gen4)/features/base.js	
+++ b/ui (gen4)/features/base.js	
@@ -103,6 +103,9 @@ actions.Actions({
 	},
 	set data(value){ 
 		this.__data = value },
+
+	get length(){
+		return this.data.length },
 	
 	// Base ribbon...
 	get base(){
diff --git a/ui (gen4)/package.json b/ui (gen4)/package.json
index 5b8318df..4eb969d0 100755
--- a/ui (gen4)/package.json	
+++ b/ui (gen4)/package.json	
@@ -23,7 +23,7 @@
     "glob": "^4.0.6",
     "guarantee-events": "^1.0.0",
     "ig-features": "^2.0.0",
-    "ig-actions": "^2.0.0",
+    "ig-actions": "^3.0.0",
     "ig-object": "^1.0.1",
     "openseadragon": "^2.1.0",
     "requirejs": "^2.1.23",