I thought the panel great (quick) dive into the history of the event, which seems more than appropriate considering they are celebrating the 50th this year. They dropped quite a bit of info and news. They want to save their big reveals for the announcement night, which is fine. I don't love that it is $20 as opposed to the previous $0 it was, but it sold out in 15 minutes so I guess most people didn't mind.
It seems they are doing a little more this year with the announcement night since a few rides are open, there are costumes on display, etc.