Along with leaked images of Canon RF 100mm f/2.8L Macro IS USM lens, here are first leaked images of Canon RF 400mm f/2.8L IS USM lens and Canon RF 600mm f/4L IS USM lens. The official announcement for these new lenses are expected in next few days. The US price for these lenses also leaked online:
According to CR, a new RF mount lens roadmap for Canon full frame mirrorless cameras seems leaked online. Along with soon to be announced RF 70-200mm f/4L IS USM lens and RF 50mm f/1.8 STM lens, there will be a total 14 new RF lenses coming in 2021, including “ground-breaking” TS-R autofocus tilt-shift lenses for the RF mount.