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Important notice for installing the VAD or Core Audio driver on macOS High Sierra 10.13, macOS Mojave 10.14, macOS Catalina 10.15 or Big Sur 11.3

Those recent macOS introduced a new security measure that requires user approval before installing third-party driver software.
When installing the MERGING TECHNOLOGIES RAVENNA / AES67 VAD or Core Audio driver on those OS you must enable the driver software installation as describedhere.
This should not affect drivers that were already installed before updating your system to macOS High Sierra, Mojave, Catalina and Big Sur.