The last mainline Star Wars movie, Star Wars: The Rise of Skywalker, was released in 2019.

This market resolves positively if there is a new movie released in the mainline franchise before 2027 - presumably Episode X, but something out of order like Episode XIV would count too.

This market is a duplicate of this market but with a slightly changed resolution criteria: https://manifold.markets/JackGaller/will-there-be-a-new-numbered-mainli