MainStage version 3.6 has a cleaner look with more space around controls – but I’ve experience a lot of pinwheel, and occasional crashes when making a “new patch from selected patches”.
Hopefully your app folder looks like this so you can open your template in whichever version of MainStage you like (using right-click!)
If your App folder doesn’t look like this – find out how to get there by visiting our “updating MainStage” link.