We have a new public beta version. It fixes potential USB audio initialization issues, when upgrading from older OS versions.
Rig Manager 3.4.51 for Windows(R)/macOS(R) and Rig Manager 1.5.1 for iOS(R) required!
Rig Manager 3.4.51 requires at least Windows(R) 10 or macOS(R) 10.14.
WARNING: Downgrade beyond OS 9.0.6 could lead to loss of data stored with OS 10!