There are popovers everywhere already, so it's not like this is going to introduce them, it will just make it more likely that they close they way you expect th

There are popovers everywhere already, so it's not like this is going to introduce them, it will just make it more likely that they close they way you expect them to, handle focus correctly etc. I think it's great. Also, this change will make it easier to make a popover-blocker than it was before.