On the magic keyboard, the whole bottom row of keys is shorter than they used to be. Not by a lot, but they're shorter. They're now the same height as the keys above.
>Will a state manager start mediating all application logic now?
The author refers to the shopping cart sample -- which is exactly what I used as a blueprint. I think that's acceptable that the design pattern suggestion is coming from the store layer vs. the template layer (who is focused on the UI/UX).
Bug report: even though the cursor indicates you aren't allowed, you can still click the button without accepting all of the "I'm OK with this" buttons.