Canon R has a Canon RF lens mount and currently there are 104 native lenses available for this mount.
The latest released lenses that are compatible with the EOS R are the Brightin 14mm f2.8, the Canon RF 20-50mm F4 and the Brightin 11mm F2.8.
Canon R doesn't have a sensor based image stabilization system but
31 of these lenses already comes with optical image stabilization.
Since Canon R has a Full frame sensor, it has a focal length multiplier of 1x so lenses will provide their original focal length on EOS R.
You may also also be interested in these:
Canon R Lenses with Image Stabilization
Canon R Lenses with Weather Sealings