Along with upcoming f/2.8 fast zoom RF mount lenses, according to latest rumors, Canon is also working on two new fast prime lenses: RF 24mm f/1.2L USM Lens and RF 85mm f/1.2L Lens. The release date for these two lenses could be in 2019 to 2020.
dpreview has another interview with Canon managers about the new Canon EOS R and RF lens full frame mirrorless system. According to Canon managers, Canon gave them a greater freedom for new EOS R and RF system, and a chance to improve and innovate for the upcoming Canon EOS R and RF lenses:
Imaging-Resource has a new interview with Canon Executive Kazuto (Kevin) Ogawa. Other than Canon EOS R (Amazon/B&H/Adorama), they talked everything about Canon products. And Kazuto Ogawa will continue to develop the digital SLR, Mirrorless R-series and the new RF-mount and the M-series.