My Onkyo TX-RZ-1100 Reciever doesn't Support Color Space YCBCR In 4:4:4 in HDR!

Hi everyone, it looks like I will probably have to upgrade my AVR in order to get all the New HDMI2.1 Features and Specs.

My Onkyo TX-RZ-1100 Reciever doesn't Support HDR in 4:4:4 it only supports it in 4:2:2