Canon is releasing new firmware for the Canon EOS R5, Canon EOS R6, and Canon EOS-1D X Mark III in the next 24 hours, depending on where you are. You can download any version you may come across.
Download Firmware v1.6.0 for the Canon EOS-1D X Mark III
Firmware Version 1.6.0 incorporates the following fixes and enhancements:
Improves head detection performance to support helmets or goggles in winter sports.
Eliminates the center press operation of the multi-controller to prevent accidentally transferring images during FTP transfer.
Adds the ability, when the Rating function is assigned to the...