It's quite restricted still. For example changing datatypes during recompilation is problematic, at least if you don't destroy the instances before reloading, a

It's quite restricted still. For example changing datatypes during recompilation is problematic, at least if you don't destroy the instances before reloading, and re-instantiate afterwards. I don't bother to do that, because I see most of the value in things like tweaking game object logic repeatedly, which fits the restrictions nicely.