Some nice changes here. However, I am somewhat concerned about the "Flow per feature" feature. I suspect people will try to fix levelling or printer issues by changing these settings instead. Only giving them more issues with over or under extrusion in different parts.
As a person who gives a lot of advice on how to slice with Cura, I often see suggestions in facebook groups that only hides the symptoms and not addresses the cause of an issue. Like "increase first layer flow" instead of reduce the distance between the bed and nozzle. Or "increase flow" instead of fixing a slipping extruder o