Canon R6 has a Canon RF lens mount and currently there are 22 native lenses available for this mount.
R6 also has a sensor based image stabilization system which means that all of these lenses will be stabilized when used on R6.
Since Canon R6 has a Full frame sensor, it has a focal length multiplier of 1x so lenses will provide their original focal length on R6.
You may also also be interested in these:
Canon R6 Lenses with Image Stabilization
Canon R6 Lenses with Weather Sealings