diff --git a/Viewer/features/base.js b/Viewer/features/base.js
index 278722c4..1f026d04 100755
--- a/Viewer/features/base.js
+++ b/Viewer/features/base.js
@@ -1214,6 +1214,10 @@ core.ImageGridFeatures.Feature({
 			function(){ this.markChanged('all') }],
 
 		// data...
+		['load',
+			function(){
+				this.data.version_updated
+					&& this.markChanged('all') }],
 		[[
 			//'load',
 
diff --git a/Viewer/features/filesystem.js b/Viewer/features/filesystem.js
index 40e5904d..7839ee49 100755
--- a/Viewer/features/filesystem.js
+++ b/Viewer/features/filesystem.js
@@ -979,7 +979,11 @@ module.FileSystemLoader = core.ImageGridFeatures.Feature({
 					var that = this
 					res.then(
 						function(){ 
-							that.markChanged('none') },
+							// NOTE: this repeats the functionality in 
+							// 		base.js' 'edit' feature...
+							that.data.version_updated ?
+								that.markChanged('all') 
+								: that.markChanged('none') },
 						function(){}) } }],
 		// mark everything changed when loading images...
 		['loadImages',
@@ -2549,10 +2553,7 @@ module.FileSystemWriter = core.ImageGridFeatures.Feature({
 					//this.markChanged('none')
 					var that = this
 					res.then(function(){
-						that.markChanged('none')
-					})
-				}
-			}],
+						that.markChanged('none') }) } }],
 	],
 })
 
diff --git a/Viewer/imagegrid/data.js b/Viewer/imagegrid/data.js
index a4454f8b..bbdf8414 100755
--- a/Viewer/imagegrid/data.js
+++ b/Viewer/imagegrid/data.js
@@ -2723,7 +2723,14 @@ var DataPrototype = {
 	load: function(data, clean){
 		var that = this
 		data = typeof(data) == typeof('str') ? JSON.parse(data) : data
+		var version = data.version
 		data = formats.updateData(data, DATA_VERSION)
+
+		// report version change...
+		delete this.version_updated
+		if(data.version != version){
+			this.version_updated = true }
+
 		this.order = data.order.slice()
 		this.ribbon_order = data.ribbon_order.slice()