There is a new bug in the last days, it is similar to the swimming glitch. It looks like the players are crawling. They are like "flat" lying on the ground without any animation, but they are still able to move fast and able to use weapons. It`s almost impossible to see them if they are few meters away and it is also hard to shoot them. I don't know how to reproduce this, but I hope this problem is already known to you and that there is a bugfix planned.