Just installed the latest version inside a VM. As usual I went into the Admin_Home page in order to create my sample data sets. And immediately get a runtime error
[ReferenceError] 'extlib' not found
in line 1:
var d = new extlib.DataInitializer();
In designer I see that the DataInitializer and other classes now have been switched to the newer Java design element.
As far as I got it those elements don't have to be registered as a resource, or do they?