When sending the notification email it would be a HUGE benefit if a comment window popped up. To be able to enter some insight as to the change or a question about the change/page would be very helpful for the role that is approving/publishing the page.
This is an excellent enhancement idea that’s already made it’s way onto our CM1 product road-map. I can’t give any firm timeline at the moment; the best I can say is we’re targeting this feature for sometime in the second half of this year. Thanks for posting!