@hallo_leo I’ve posted a new release of RoonCommandLine with fading implemented. See RoonCommandLine 2.0.7 with Fading feature, bug fixes
On a Mac you can just clone the repository, ./Uninstall, and ./Install.
RoonCommandLine version 2.0.7 release 1 can be found at:
https://gitlab.com/doctorfree/RoonCommandLine/-/releases/v2.0.7r1