You list some reasonable criticisms, but how is 'immutable structs are more performant' a valid criticism? That's just because compilers can do more optimizatio

You list some reasonable criticisms, but how is 'immutable structs are more performant' a valid criticism? That's just because compilers can do more optimizations with immutables. Unless you want immutables to be intentionally hobbled, what exactly do you expect the Julia devs to do about it?