Mac users: Denon DJ products and accompanying software are not yet compatible with macOS Catalina. Due to this incompatibility, we ask all customers to wait until we announce official support before upgrading to macOS 10.15. We will inform you when it is safe to upgrade.
You can run MacOs on a Prime 4?
Damn Apple! Breaking everything and expecting the victims to pick up the cost. Have ape never heard of maintaining backwards compatibility?