I've got the same issue. I've "solved" it with a force close and retry. After 2-3 attempts it usually works (you can see it when it starts loading libraries) ... View more

It's a MOV file with an alpha channel (so it has to stay MOV). It's a short intro I use for my videos, with a transparency at the end. Full HD, codec linear PCM ... View more

I have an issue with MOV files since the first beta for Apple M1, and it's still there in Premiere Pro beta V15.  A picture is worth a thousand words. If I use Premiere Pro 14.8 stable (not for M1) theare are no issue with MOV files. What am I doing wrong?   ... View more