I ended up doing my dining reservations over the phone the other day and the CM was surprised that Olivia's wasn't available but then explained that they must not have uploaded/released their dining yet that far in advance. I had to call again today because a mistake was made that I didn't catch right away, and I asked to check on Olivia's again. Still no luck. The CM was really confused about why it hadn't been released yet. She said she hadn't heard anything about Olivia's being closed for a renovation (I'll add: yet).
Hope it opens soon. I've been so excited to try it!