diff --git a/Viewer/features/core.js b/Viewer/features/core.js
index b1699d8e..f5e2e319 100755
--- a/Viewer/features/core.js
+++ b/Viewer/features/core.js
@@ -2922,8 +2922,11 @@ var TaskActions = actions.Actions({
 				queue
 					.on('tasksAdded', function(evt, t){ 
 						this.logger && this.logger.emit('added'+suffix, t) })
-					.on('taskCompleted', function(evt, t){ 
-						this.logger && this.logger.emit('done'+suffix, t) }) 
+					// NOTE: t can be anything including an array, so to 
+					// 		avoid confusion we wrap it in an array this 
+					// 		one call means one emit...
+					.on('taskCompleted', function(evt, t, r){ 
+						this.logger && this.logger.emit('done'+suffix, [t]) }) 
 					.on('taskFailed', function(evt, t, err){ 
 						this.logger && this.logger.emit('skipped'+suffix, t, err) }) 
 					.on('stop', function(){
diff --git a/Viewer/features/sharp.js b/Viewer/features/sharp.js
index 6326cf6a..2c9e19ce 100755
--- a/Viewer/features/sharp.js
+++ b/Viewer/features/sharp.js
@@ -700,6 +700,10 @@ var SharpActions = actions.Actions({
 											&& logger.emit('skipped', `${gid} / ${size}`)
 									}) })) })],
 
+	// XXX BUG: .cacheMetadata('all'): runs out of call stack on very 
+	// 		large indexes...
+	// 		...can't yet see/find any recursion...
+	// 		.....at least the fail is fast and quiet =)
 	// XXX add support for offloading the processing to a thread/worker...
 	// XXX revise logging and logger passing...
 	cacheMetadata: ['- Sharp|Image/',
@@ -756,9 +760,7 @@ var SharpActions = actions.Actions({
 			// parse args...
 			function(queue, image, ...args){
 				var that = this
-				var force = false
-				if(image === true){
-					var [force, image, ...args] = arguments }
+				var force = args[0] == 'force'
 
 				// expand images...
 				var images = image == 'all' ?
@@ -783,7 +785,6 @@ var SharpActions = actions.Actions({
 
 				return [
 					images,
-					force,
 					...args,
 				] },
 			function(image, force, logger){
@@ -908,7 +909,7 @@ module.Sharp = core.ImageGridFeatures.Feature({
 		// 		indexes...
 		// XXX this needs to be run in the background...
 		// XXX this is best done in a thread 
-		[['loadIndex'
+		[['loadIndex',
 				'loadImages', 
 				'loadNewImages'],
 			'cacheMetadata: "all"'],