A new user control was included in order to display a zoom of an image. This user control is used by default in the product detail of the E-Commerce Design:

If you want to use this new user control in your own screen, you should add a new "User Control" node within your instance and select the "DVZoomImage" user control:

Then, in order to use the control, you need to assign to it the image where you need to apply the zoom. You can do it as follows: