App Store is basically just a web browser, so easier for them to upgrade. They do make changes over time that don't require software updates. One big one I re

App Store is basically just a web browser, so easier for them to upgrade. They do make changes over time that don't require software updates. One big one I remember is forcing people to have bought an app to be able to rate it. But you are probably right that a major overhaul in short time isn't their style.