I’ll see what happens as well…worst case, I have a disk image I can use to revert back to MacOS 10.14 if needed. Or, I could even just install a copy of 10.14 on an external TB3 SSD drive and that as the “audio OS” until a release of SD3 is available with full compatibility.
Reply To: SD3 and MacOS Catalina: Midi Events not Seen version: 3.1.4 Operating system: macOS Mojave (10.14)