so it would be better in some cases to have also the possibility to link bindings in racks directly to a target port
…
and not via the reverse of the additional rack midi port
By default environment level ports are hidden in racks (to try and encourage building racks that just communicate with their next outer level). You can get around this by going to Options -> Miscellaneous -> Advanced and turning on “Show Environment Audio and MIDI Ports in Racks”.
But it is not working for my embedded Racks in other racks! (you can see on pic)
so I always have to built an rack output port instead of linking directly to the target
Ah you’re right. There’s a comment in Cantabile’s code base saying that embedded racks inside other racks don’t have access to the environment ports. I can’t for the life of me remember why though I think it might be to prevent circular routes.