I'm glad you guys are able to pin this down! I know you'll think of something and can't wait for a patch. Just take your time and look forward to it.
Small request, please ping an email out when a patch has been made
@Cameron
I'm bugging out of this as mine has been stable since XPR2 remove. I will use V4 till patch.
Let me know if you need anything on my side and thanks for you help!
There must be some other addon you're running that could be causing it. For me, removing XPR2 has fixed this. Here is a list of my current addons (minus XPR2)