It could be round 7 or 4 or random. If it fails to switch, then if you attempt again it won’t work in that round. It started to fail a lot more often. I checked that the cinematic did play by making it do smth else not just camera switch.
I think I still have the old system in 3403-3828-5400
To verify the issue is fixed, play the whole game 2 times back to back. 10 rounds +10 rounds. If all 20 rounds it did not fail to switch to the camera then the issue is fixed.
I think I never observed it failing to use the correct camera in the very first round when I tested in published game. But in game mode I think it could.