The way the busses have to be configured at the moment is way too complicated. You can't work with that. I say this as a longtime software developer (C++ and C#) and not as a PC beginner or PC user. There might be a nice idea integrated in cantabile - a graphical configuration: https://www.cantabilesoftware.com/blog/ ... -diagrams/
As for CPU performance - you'd have to look at the configuration to see why it was solved that way. In Hauptwerk some things have to be changed, so that complex configurations can be created user-friendly. But to do this, you first have to analyze the existing configurations, simplify them if necessary, and work out an optimized approach.
This requires the cooperation of the community and MDA/MDyde. First, however, the corresponding interest in an improvement must be present. As long as the users say that everything is fine as it is, nothing will happen.
I repeat it for Martin Dyde: The bus configuration is not operable. The 8 mixer presets are far too few. The number should be urgently increased in a small update, because it limits and annoys every user who uses IR. What is also always said is that the presets per organ make sense.
For now, the 3 release model is probably more practical.
This should be an alternative, but not the only option.
Best regards