Update: Canon has started to install firmware v. 1. 0. 1 on serviced Canon EOS R5 Mark II camera bodies. This update looks like it addresses an issue with the screen going green when shooting video.
There are still other bugs with the EOS R5 Mark II that will need to be workerd out in short order, and [. . . ]
Source
. canonrumors.com2024-9-20 12:45