Naturally they only get to charge for already-sold copies if you accept the new terms that include the charges. As for how it’s legal to include those charges in the new terms to begin with, I guess you’d have to ask a contract lawyer. Presumably Unity’s own lawyers are convinced they can get away with it, or they wouldn’t have done it.
Naturally they only get to charge for already-sold copies if you accept the new terms that include the charges. As for how it’s legal to include those charges in the new terms to begin with, I guess you’d have to ask a contract lawyer. Presumably Unity’s own lawyers are convinced they can get away with it, or they wouldn’t have done it.