>>56436583I mean if you want to be reductive then basically every Pokémon game is a beta test for the one that follows it. The synchro machine in SV DLC makes that a beta for the next game where that'll inevitable appear. Urshifu was a beta test for PLA with the strong and agile styles. The Wild Area in SwSh was a beta test for PLA.
When you are a developer that puts out a new game every year, inevitably you end up having to test new features in games and gradually implementing them based on audience reception.