No, you won't get it in your next mirrorless Canon camera ;-) Canon press release:…
Canon EOS-1D X Mark II firmware 1.1.3 available for download
Canon released Canon EOS-1D X Mark II firmware 1.1.3.
Changes in Canon EOS-1D X Mark II firmware Version 1.1.3
Canon EOS-1D X Mark II firmware Version 1.1.3 incorporates the following improvements to enhance functions.
- Corrects a phenomenon in which the drive mode icon is not correctly displayed when using custom shooting modes (C1/C2/C3).
- Changes the maximum number of “Release cycles” displayed from 1,000,000 cycles to 9,999,000 cycles. This value can be checked under the “Camera system information” menu.
- Improves the reliability of communication via USB cable when using the Lens Data Registration function within EOS Utility 3 software.
The Version 1.1.3 firmware being released at this time is for cameras with Firmware Version 1.1.2 or earlier. If the camera’s firmware is already Version 1.1.3, it is not necessary to update the firmware.
When updating the firmware of your camera, please first go over the instructions thoroughly before you download the firmware.
The firmware update takes approximately six minutes.