Thank you for taking the time to report these. Please upvote, or add any additional information, to the initial reports on these issues here:
https://forums.bhvr.com/dead-by-daylight/discussion/415970/decisive-strike-bugged-by-any-chance#latest and https://forums.bhvr.com/dead-by-daylight/discussion/416352/pc-no-facial-expressions-on-hook#latest