While Disney has yet to let a non-humanoid character be the star of a Star Wars movie, there has been reported interest in eventually doing so. Word first surfaced in 2017 via THR that Disney was eyeing movies for Boba Fett, Obi-Wan Kenobi, and Yoda to hit the silver screen. Since then, the Boba Fett project was cancelled, the Kenobi movie has transitioned into a Disney+ series, and there has been no recent word on a Yoda movie. The point being that if two of those projects were legit, chances are the third one is in some way as well.
Article source: https://www.cinemablend.com/news/2490846/will-the-mandalorians-child-be-star-wars-next-big-movie-star