"I've written it 4 times, and I've gotten exceedingly good at it" :) Kidding aside, anything you learned during the rewrites that caused noticeable changes to

"I've written it 4 times, and I've gotten exceedingly good at it" :) Kidding aside, anything you learned during the rewrites that caused noticeable changes to the design, or it's still the same thing, just transliterated?