Ok, we learned that switching to DX12 unlocks a lot more performance for us. We're able to hit 60FPS on our main menu without post processing (you may laugh, but I cried a little). The issue arose that we can no longer connect the Unity profiler to the running instance on an Xbox since switching to DX12. Is that expected? 2017.4.15f1, Xbox updated to Nov '18 update. App is installed as a game.
That's not expected, and the graphics API should have absolutely no impact on being able to connect a profiler. Are you sure switching the graphics API caused it?