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AppBuilder version 2014.3.911.4 is not a performant as before. I have build a hybrid application that uses the Ionic Framework and Angular JS. Before this version of AppBuilder, the application ran smoothly in the simulator. It does not run smoothly anymore. When I run the application in my web browser (without the telerik simulator), it runs smoothly. In the simulator, screen transitions and other DOM manipulations are jittery.