If you like the "rack theme" it seems headed for removal.

If you like and use it please vote for it now. https://untanglengfirewall.featureup...eep-rack-theme

From the comment there "Thanks for your support of our Rack Themes. We'll leave this open for voting, but our goal is to ensure product quality by ensuring we test all possible combinations of feature functionality and UI choices. This is one area that can be quite complex." That is why you get the big bucks!