This is one of those anonymous source situations, so stay in a skeptical Hermione mindset. That said, “a source close to Johnny Depp” told The Blast the actor has not been approached by the studio yet to exercise the option in his contract for Fantastic Beasts 3. The site said Depp does have a contract through the five-film franchise but, like the rest of the stars, his option for each movie is handled separately by Warner Bros.
Article source: https://www.cinemablend.com/news/2471280/apparently-johnny-depps-return-for-fantastic-beasts-3-isnt-official-yet