In addition to the upcoming five new RF mirrorless lenses, Canon will also release a new RF 85mm f/1.2L USM DS lens with Defocus Smoothing - the trademark is already registered by Canon. Basically, we will see two versions of the RF 85mm f/1.2 lens (total of six new RF lenses).
It is not yet confirmed if all six new RF lenses will be announced together with the Canon EOS RP mirrorless camera.
Some additional information on the Canon EOS RP - the kit lens in Japan will be the RF 35mm f/1.8. The following configurations will be available (in Japan):
Via Nokishita