I have been playing Diablo 4 since season 1. 1700 hours of this on the Steam platform. After the latest updates, almost all of the cosmetic images I had in previous seasons and the last season disappeared. These are, (Clothing, weapon skins, gravestones and teleport visuals.)
Despite scanning the game files many times, the problem has not been fixed.
A ticket cannot be created on your page regarding this issue. Please fix this problem.