@David-Healey Another quirk, at least on Mac, is that CMD+D is assigned to both ScritpNode > Duplicate Node and Interface Designer > Duplicate selection at cursor.
This works fine within HISE because of the different contexts, but if you assign a different shortcut to either action, then try to assign the default back again, it will remove the other one.
So I suppose the issue is that duplicate shortcuts already exist in HSIE, but the user isn't allowed to assign duplicates themselves. Which is a little confusing.
EDIT: probably not worth the time to attend to either 😜