diff --git a/ui (gen4)/features/filesystem.js b/ui (gen4)/features/filesystem.js
index cd042f94..646fed9b 100755
--- a/ui (gen4)/features/filesystem.js	
+++ b/ui (gen4)/features/filesystem.js	
@@ -2421,6 +2421,10 @@ module.FileSystemWriterUI = core.ImageGridFeatures.Feature({
 
 //---------------------------------------------------------------------
 
+// NOTE: this is not a trivial meta-feature purely for aesthetic reasons,
+// 		when the fs stuff is not applicable it's really confusing to see
+// 		an 'fs' feature loaded in the feature list... at least to me ;)
+// 		XXX should we do anything about this?
 core.ImageGridFeatures.Feature({
 	tag: 'fs', 
 	suggested: [
diff --git a/ui (gen4)/features/ui-widgets.js b/ui (gen4)/features/ui-widgets.js
index 14bfae72..c3efeff1 100755
--- a/ui (gen4)/features/ui-widgets.js	
+++ b/ui (gen4)/features/ui-widgets.js	
@@ -755,6 +755,7 @@ var UIIntrospectionActions = actions.Actions({
 	// XXX should we have navigation???
 	// 		...i.e. opening links is done in the viewer and we have 
 	// 		ability to go back and forth...
+	// XXX might be a good idea to also show feature doc...
 	showDoc: ['Help/Action help...',
 		makeUIDialog(function(actions){
 			var that = this
@@ -808,12 +809,23 @@ var UIIntrospectionActions = actions.Actions({
 			return res
 		})],
 
+	// XXX might be a good idea to add feature doc/help browser like showDoc(..)
 	// XXX show more info about features:
 	// 		.title
 	// 		.doc
 	// 		.module
+	// 		.depends (+ depended on by ..)
+	// 		.suggested
 	// 		...
-	showFeatures: ['System/Features...',
+	// XXX might be nice to load/unload features from here...
+	// 		this can be done by add explicitly to input (with or without
+	// 		the '-' prefix and) and reloading (re-running setup(..))...
+	// XXX not sure where to put this -- help or system?
+	// 		...if we add feature doc browsing it's help, of feature 
+	// 		loading/unloading then system...
+	// 		...might be a good idea to split the two functions, like the 
+	// 		keyboard help/edit UI's...
+	showFeatures: ['Help|System/Features...',
 		core.doc`Show feature load information...`,
 		makeUIDialog(function(){
 			var that = this
diff --git a/ui (gen4)/package.json b/ui (gen4)/package.json
index 23ed2f00..4c9cb85d 100755
--- a/ui (gen4)/package.json	
+++ b/ui (gen4)/package.json	
@@ -16,14 +16,14 @@
   },
   "dependencies": {
     "app-module-path": "^1.0.6",
-    "commander": "^2.10.0",
+    "commander": "^2.11.0",
     "exiftool": "^0.0.3",
     "fs-extra": "*",
     "fs-walk": "^0.0.1",
     "glob": "^4.0.6",
     "guarantee-events": "^1.0.0",
-    "ig-actions": "^3.2.4",
-    "ig-features": "^3.2.0",
+    "ig-actions": "^3.2.5",
+    "ig-features": "^3.2.2",
     "ig-object": "^1.0.1",
     "openseadragon": "^2.1.0",
     "preact": "^8.1.0",