I actually have two bugs of similar type to report, so i'll just combine them here. (Sadly i forgot to take a picture of the Mausolon bug.)
TYPE: In-Game
DESCRIPTION: Ever since the Orphix Venom Update came out, my Day of the Dead Necramech helmet is gone. It is likely a result of splitting the skins from the helmets and not accounting for the Day of the Dead helmet. Additionally, i received four extra Mausolon arch-guns that i didn't need. No idea where they came from, since i didn't build or buy any Necramechs besides my Voidrig and Bonewidow, but they themselves functioned norma