It will very helpful if the value of variable can be displayed on mouse move on while debugging like in microsoft .Net framework. If this feature can be added to the existing debugger facilities It will make the work faster.
+ add a "Watch List" of variable ans objects.
When we debug and app, not interested in all of variables. So important variables and objects (not only the view or document or ..., but their properties: like myDoc.myItem.Values, or myDoc.Authors) can be added to a ...