Canon has released new firmware for the RF 24-105mm f/4L IS USM.
Firmware Version 2.0.0 incorporates the following enhancement:
Supports continuous shooting in silent shooting mode with the EOS R running Firmwmare Version 1.1.0 or later.
This firmware update is for lenses equipped with older firmware versions. If the lens’s firmware is already version 2.0.0, update is unnecessary.
The version of the lens firmware can be checked on the camera menu.
EOS R Firmware Version must be 1.1.0 or later.
Download firmware v.2.0.0 for the RF 24-105mm f/4L IS USM