Hi there, I’ve noticed that IDs issues may occur after using “merge actors” function. The object’s elements are not all memorized. Workflow : select many multi-material objects right clic - merge objects - validate see that IDs differ from original meshes EDIT : after checking the merged mesh i…

Hey Teapot Creation, I have reproduced this issue in 4.15 however, it doesn’t seem to be occurring in 4.16 would you mind testing in the preview to see if the bug has been fixed on your end? , Ed