I can confirm that 2021.36.8.5 FSD Beta 10.4 does NOT have live camera view available.Live Camera View is available as well as vision Based Perpendicular Parking in 36.8.5/10.4 Beta. Looks like Beta will keep up with future features faster (say that 3 times fast) than it has in the past. Still will be a little lag since we only get a new release every 2 to 3 weeks. As of now Beta doesn't have Waypoints or Tidal Music. Probably will get both of these on 10.5.
I’m sitting in the car and the setting to enable it on the Safety & Security screen is missing.
I also doubt that it has the vision based perpendicular parking because I tried to use it but it never offered me to park in the right situation.
Also both features are missing from the latest software release notes in my car.