Canon now offers a service to de-click the Control Ring on its RF lenses

In addition to a larger diameter mount and additional contacts, one of new features of Canon's RF lenses--and one of its EF to RF adapters--is the Control Ring, a physical dial around the perimeter of the lens that can be customized to control various camera functions including aperture, ISO and shutter speed. By default, the Control Ring is adjusted in predetermined steps, which click into place while rotating the ring. While this is beneficial when you need a tactile indication of how many ste...