Firmware Version 1.3.0 incorporates the following fixes and enhancements:
1. Adds support for RF-S10-18mm F4.5-6.3 IS STM lens.
2. Fixes minor issues.
Firmware Version 1.3.0 is for cameras with firmware up to Version 1.2.0. If the camera's firmware is already Version 1.3.0, it is not necessary to update the firmware.
Q&A Section:
Preparations for the firmware update:
In the folder you downloaded are the firmware (R6213000.FIR / file size: 74,640,672 bytes) and instructions on the firmware update procedures (a PDF file in five languages: Japanese, English, French, Spanish, and Simplified Chinese). Before starting the firmware update operations, please be sure to carefully review the instructions to confirm your understanding of the firmware update procedures.
Firmware download link:
https://www.canon.com.au/cameras/eos-r6-mark-ii/support?option=drivers