06-16-2016 03:10 PM - edited 06-16-2016 03:10 PM
Here is a thread on the Apple forums that give a possible answer:
https://discussions.apple.com/thread/6830340
01/27/2025: New firmware updates are available.
EOS R5C - Version 1.1.0.1
EOS C80 - Version 1.0.2.1
12/18/2024: New firmware updates are available.
EOS C70 - Version 1.1.0.1
EOS C300 Mark III - Version 1..0.9.1
EOS C400 - Version 1.0.2.1
EOS C500 Mark II - Version 1.1.3.1
XF605 - Version 1.0.5.0
12/05/2024: New firmware updates are available.
EOS R1 - Version 1.0.1
EOS R5 Mark II - Version 1.0.2
09/26/2024: New firmware updates are available.
EOS R5 - Version 2.1.0
EOS R6 - Version 1.9.0
EOS R3 - Version 1.8.0
EOS R7 - Version 1.6.0
EOS R10 - Version 1.6.0
EOS R6 Mark II - Version 1.5.0
EOS R8 - Version 1.4.0
EOS R50 - Version 1.3.0
EOS R100 - Version 1.1.0
Powershot V10 - Version 1.3.0
