Thanks for the new build. I've been testing on my laptop and have found that HDMI over USB-C is not working. My previous testing on this suggested to me that Kernel 5.5 or newer is required to resolve the issue. Until now, I have been running a custom version of Fatdog64-811 with Kernel 5.10.34. Just making you aware of this problem. Let me know if I can provide any further info that would be helpful.
Custom Kernel Config: