No man, sorry, I was not able to make it work again, but I have not tried again since maybe 4.8. Really the reason is because I don’t intend to use it anymore. Maybe if it wasn’t such a big problem I would have kept it but to try make it work again with it being actually a really small feature in my game, it’s a waste of time for me to keep picking at it and get no results.
What you could do, which is what I did back then as well, just check out UT4 and see if their Feign Death feature works correctly. I think it was on 4.8 when I checked it and their ragdoll blends were also broken, in which case I assumed it can’t work. To be honest with all the testing I did back then, I was pretty convinced it couldn’t work, but seeing it broken in UT4, that convinced me completely. I don’t have a recent version of UT4 so haven’t been able to see if they ever fixed it. Once their system works then you can be sure it works and then it’s all about figuring out the method. But trying to figure out a broken system is counter productive.