I have a few alt characters that I play on the experimental branch. When the update pushed through to fix third person peeking that is when I first noticed that I could not cycle between first and third. I thought maybe this character is just bugged. So, I killed the character to see if that would fix it and it did not. I then proceeded to uninstall and reinstall the game and that did not fix it as well. Now, I have a total of 5 alts and they all cannot switch between persons. I have tried to see if it does the same thing on official and it does not.