I can second that everything was fine on 9.5.2 before I updated to High Sierra, now I’m getting freezes every 20-30 sec or so, with mixdowns taking maybe 20% longer to bounce in general.
I can second that everything was fine on 9.5.2 before I updated to High Sierra, now I’m getting freezes every 20-30 sec or so, with mixdowns taking maybe 20% longer to bounce in general.