Originally Posted by TSquared
The getglobal() is there so that old addons won't get arbitrarily busted. While there is a small over-head to using it, it's probably not noticeable in most addons. Considering it used to thunk into C it *has* to be faster than that.
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But it was gone for so long... how can there possibly be any addons at this point that haven't been updated? And if an addon hasn't been updated in 3-4 years, it's probably best to let it stay dead, since it obviously does not have an active author?