When Disney acquired Lucasfilm the Star Wars universe was drastically changed, as the novelizations were no longer considered part of the official canon. While the Legends stories are technically gone, the franchise has continued to be expanded through official comics which flesh out the various stories shown onscreen. Jody Houser will write the Rise of Skywalker comics series, and recently spoke to tell more of the blockbuster’s story on the page. As she put it,
Article source: https://www.cinemablend.com/news/2490972/the-surprising-way-star-wars-the-rise-of-skywalkers-deleted-scenes-will-be-fleshed-out