I doubt it was an intentional change. A lot of bugs result from, "hmm, didn't think about that use case. Ooops." There's just the question of how long it'll be before they ship a fix. It seems like there ought to be an automated test for something like this, but Apple seems to be shedding QA as fast as Microsoft is.

(And apologies if it seemed that I was insinuating ill intent on your part.)