Similar to that, yeah, although I think the master/slave thing started earlier. (It’s a bit more blatant, tbf.)
I agree that allowlist doesn’t roll off the tongue quite as nicely, but as long as it makes it obvious what the word means, I’ll go with it.
I know the article says it was published one day ago, but the author must’ve missed an update or something. The Hildir’s Request update in August 2023 also gave us world modifiers; we no longer need a mod to portal metal and other restricted items!