Firmware Notice: EOS R5: Firmware Version 2.2.1
Firmware Version 2.2.1 incorporates the following fixes:- Fixes an issue that, in rare instances, may prevent certain CFexpress cards from being formatted in the camera.
- Fixes an issue that may prevent the camera's firmware from being updated via an Internet connection, even when a newer firmware version is available on Canon servers.
If the camera's firmware is already Version 2.2.1, it is not necessary to update the firmware.