I know what I like, and I like what I see! 
In the interests of being the first to report a bug (because that’s what I do for a living), there aren’t any upper bounds to the Settings values, and if you type enough digits then it ends up displaying as Infinity:
Postman crashes if you try to submit with this value. But now I have a way to reliably crash Postman if I want; which, as a tester, maybe I do 
Feedback #2: The search/filter in the message pane is excellent :chefs-kiss: but would be even better if it could be given the same power as the other search fields in Postman, i.e. case/regex matching.