To get your debug monitor back, press ESC, go to Game Options, then change the HUD to "Debug". Do note that this is apparently having issues right now showing your thirst, hunger and whether or not you are bleeding. If you stick with "Default" which gets rid of the Debug monitor, but shows hunger/thirst/blood, you will be able to tell if you're hungry or not. Also, still got some graphics errors/artifacts, but I think it was coming from a tank trap? I was on a private hive server that had just updated, and the firehouse in Cherno gave off the artifacting, but as soon as I got to a tank trap someone had placed at the bottom of the ladder to the roof (jerk) it was gone. So my guess is it was coming from there? I was able to run through the middle of Cherno with the dead bodies and had no issues!