According to latest rumors, Canon currently is working on an RF 85mm f/2 IS STM lens for Canon full frame mirrorless cameras. This lens is rumored to be announced in 2020.
Source also said Canon will release a whole line of f/2-f/2.8 non-L prime lenses with IS are coming in the next 12 months. From 18mm to 85mm lenses.
via: CR