Canon has released new versions of both Digital Photo Professional and EOS Utility to give you full compatibility with the Canon EOS R6 and Canon EOS-1D X Mark III, both cameras received major firmware updates this week.
Changes for Digital Photo Professional 4.15.0 & EOS Utility
Supports Firmware Version 1.5.0 or later for the EOS-1D X Mark III.
Supports Firmware Version 1.4.0 or later for the EOS R6.
Download the updates here