I never noticed split connector, it's very useful! I was hoping for a global toggle however, too - that way you can focus on just inheritance and/or just connections of the entire chart at once.
Highlighting I already use, I just thought it would be even more useful to highlight the connected properties as well, so when tracking the map it's immediately clear what belongs together. Good naming helps with but lots of properties, it's simply more obvious and less time spent reading through the property list.
Anyway thanks for listening to my ideas!