Please note: the original post mentioned the EOS R6 Mark II, that was obviously nonsense…
Canon released firmware updates for a bunch of RF lenses.
Focus breathing correction is brought to the following lenses (click to get the firmware update):
- Canon RF 14-35mm F4L IS USM – Firmware Version1.0.3
- Canon RF 15-35mm F2.8L IS USM – Firmware Version1.0.8
- Canon RF 24-70mm F2.8L IS USM – Firmware Version1.0.8
- Canon RF 70-200mm F4L IS USM – Firmware Version1.1.1
- Canon RF 70-200mm F2.8L IS USM – Firmware Version1.1.4