Eight unreleased lenses have shown up for certification according to Nokishita.
At least one of these lenses is likely the Canon RF 100-500mm f/4-7.1L IS USM, along with the two teleconverters. None of these SKU’s match the Canon RF 24-105mm f/4-7.1 IS STM, which recently began shipping.
Unreleased Canon Lens SKUs:
RF 1.4x Teleconverter
RF 2.0x Teleconverter