Samyang has announced that they plan to announce 8 new lenses this spring. Samyang will make announcements at multiple trade shows between now and the Q2 of 2019.
Expect to see some lenses announces at CP+ at the end of this month and The Photography Show in Birmingham, England in mid-March.
The first lens to be announced will likely be the Samyang XP 10mm f/3.5 prime lens. Samyang claims this new lens is a zero distortion rectilinear lens for high-resolution full-frame DSLRs.