Yeah, I thought about such a hardcoded approach in the beginning. However, comparing the added complexity overhead with the limited use (the selected channel types cannot be combined), I decided to better wait for the setFollowVisibility() implementation to arrive. Little did I know 
Now that we’ve been waiting for a long time and it is very likely Cubase 12.0.70 is the last Cubase 12 update, I might reconsider this. However, since API: mOnTitleChange and mOnColorChange broken for some bindings has not seen any fix, my priority will be to implement a stable workaround for Cubase 12.0.60 and 12.0.70. Sadly, that workaround might complicate implementing a visibility selection mechanism.