A trusted source just sent me these images of a new Tamron 18-400mm f/3.5-6.3 lens. The source did not tell me if that lens will be available in native A-mount version too. But usually Tamron does offer these lenses for all kind of DSLR systems.
And this is a Leaked image of the new Milvus 35mm f/1.4 via MirrorlessRumors. It will “only” come for Nikon F and Canon EF mount but E-mount shooters can use the lens via adapter: