The refurbished Canon RF 28mm F2.8 STM (already a good deal new) and Canon RF 24-50mm F4.5-6.3 IS STM lenses are now available at Canon USA.
The refurbished Canon RF 15-30mm F4.5-6.3 IS STM, Canon RF-S 55-210mm F5-7.1 IS STM (included in the sale), and Canon RF 5.2mm F2.8 L Dual Fisheye 3D VR were also recently added.