Rotten Tomatoes, Cinemablend, and John Campea are some of the few people who tweeted about seeing it at the panel, and yeah I believe starwars.com mentioned it.
https://www.starwars.com/news/d23-expo-2019-star-wars-the-rise-of-skywalker-highlights
Oh. Ohhh. I genuinely couldn’t tell if this was a joke rumour. I guess not…