WotC will likely be making a dedicated Psion class, as per recent tweets

Jeremy Crawford: We haven’t closed the door on a class like Mystic/Psion

I'd like the wizard tradition replaced with a Psion class with its own spell list and features, but still treating psionics as spells for game simplicity sake. Granting all these psionic spell…

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As I said before, I’d eat my words if WotC said they’d make a dedicated Psion class. While I enjoy the one I’ve homebrewed recently, I’m happy to be getting some official options, and that WotC recognizes that this concept deserves more than just sub-classes to carry it forward.