Shade-Highlight block instances

Is there a way to have block instances shade highlight as well? It’s Really easy to get wire blindness on complex models, so shade-highlight helps figure out what you are snapping to.
In my opinion, I want shade-highlight for any shaded mode that isn’t X-Ray.

The same goes for selections in the middle of commands. Suddenly the selections you make don’t use shade-highlight. Again, if I want to see all of the wires in a complex model then I’ll switch modes.

If there is some hidden command to enable this I would love to find out about it. I rarely work with models that aren’t annoyingly dense.