I have been matching guardians with full-on invisibility on all game modes, it is literally an unfair advantage in the comp game. There is almost no ping on the radar unless it is also delayed, the guardian can just crouch in front of you and would be able to see him/her at all, they just pop and you are dead.
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Recent TWAB said fix is coming March 16th and because of invisibility bug pushed back Iron Banner and pushed up Trials. All I know don’t ask me why