I haven't got the Catalina beta, but one of the major changes from Mojave is that it no longer supports 32 bit apps.
According to this, 1.8.3 is 64 bit so it should run fine on Catalina - are you trying to run Myth II v1.8.2?
Search found 16 matches
- Sat Jun 08, 2019 6:47 am
- Forum: General Discussion
- Topic: macOS Catalina vs Myth
- Replies: 3
- Views: 6148