Canadian Guy Eh, a prominent content creator about Spyro and Crash games just uploaded a video where he mentions rumors he heard about Spyro 4 being in early stages of development
He cites numerous sources who heard the same thing. According to this rumor, Toys for Bob is handling the development of Spyro 4 and work on it allegedly started only a few months ago, in January 2024. This might also be the unnanounced game Toys for Bob has just signed with Microsoft