Duplicating stuff speeds things up a lot, but there seems to be some things we shouldn't duplicate, like Behavior Graphs, because they will be referencing the same data, so changing one graph will affect the other.
Another example would be game objects with local variables -- I made sure to Regen the ID when duplicating objects, although I don't know if this is necessary as this is not covered in the docs.
Should we duplicate States?...
I think you should give us a list of the components and files we should not duplicate currently. It's given me a lot of headaches. Sometimes I want to be safe so I don't duplicate, but I might just be wasting my time (and it's not just a little time).
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