All three Shellmets (Herald, Builder, and Architect) no longer work / show up in R15. Wearing any of them in R15 will cause your profile thumbnail to infinitely load along with them not showing up in-game at all. However if worn while R6 it appears in-game like normal.
Here is the same avatar wearing all 3 in R15 vs. R6:
Expected behavior
These items should show up in-game whether you are wearing an R6 or R15 character.
