Polyvagal Theory is a huge part of how I teach yoga to veterans. There’s a great book by Dr Arielle Schwartz - Applied Polyvagal Theory in Yoga. It does work, it can’t cure PTS(D) but it does provide relief if only for an hours r of class.
This shouldn’t be that surprising, you’re using a piece of pre-beta software that is currently still in progress. Is it a bug, yeah. Is it newsworthy, not really. Just more, there’s a bug Company X’s product is shite.