Just to let people know how to get the latency down with uxplay: Upgrade the debian to bookworm (uxplay is in the repos for that one) apt install uxpla

Just to let people know how to get the latency down with uxplay: Upgrade the debian to bookworm (uxplay is in the repos for that one) apt install uxplay in in /boot/config.txt change doverlay to: dtoverlay=vc4-kms-v3d force hdmi: (i had some problems with kms) hdmi_force_hotplug=1 add gpu mem: gpu_mem=256 then run: (-a disables audio) uxplay -vs kmssink -a and now you have and airplay monitor that can mirror or extend your desktop.