Hello there!
I’m having this issue when rotating the ik spine ctrl far enough (only on z), the skin decides to leave it’s joints behind… something similar happens on the ik neck. But not on any of the fk controls.
I have encountered this before. And it seems to be solved by setting the bind method to classic linear. This isn’t ideal though. I was wondering what might be causing this and if there is a better way to fix it?