According to recent rumors, Sony will announce a new FE 24mm f/1.4 GM lens for full-frame E-mount cameras soon.
The collection of includes the much desired focal lengths and apertures from 24 to 200mm, almost all the bases are covered but lacks a wide-angle GM prime lens. So next lens will probably be the Sony FE 24mm f/1.4 GM lens, sources say.
Sony FE 24mm f/1.4 GM Lens to be Announced soon
The fast wide-angle prime will be designed for full-frame Sony E-mount mirrorless cameras, however it can also be used with APS-C models where it will provide a 36mm equivalent focal length.