This glitch works with every mythical weapon. It doesn not work with cosmetics, only with skins. Also, it is not just a visual glitch, all players can see mythicals without skins (default skin mythicals.) I am not sure that this is good, because previously it was not working like this. I do not know if this is like a new feature, maybe I am wrong.
If you want to fix it, you simple can switch perspective (third or first) and this glitch disappears.
Thanks! I think it’s perhaps worth clarifying, however, that the amount I’m working on the game is the same. I’m allocating more time to posting in the community spaces now that we have support tickets more under control - a couple of years ago it easily took 2 to 4 hours per day to stay on top of tickets, so I didn’t have much energy to post comments and whatnot. In the last few months I’ve gotten it under an hour or so per day!