The divinely appointed part was "the long-promised day has come when every faithful, worthy man in the Church may receive the holy priesthood, with power to exercise its divine authority, and enjoy with his loved ones every blessing that flows therefrom, including the blessings of the temple."
CFR that the ban itself was "divinely appointed". I'm not so sure it was ever as doctrinal as it was a practice.
If it hadn't been, and this was known with any degree of certainty, this would have been a part of the Newsroom statement. The apologies all around would have also already been forthcoming.