> I wish the stars would align for QEMU to gain support for sunlight/moonlight streaming directly in the hypervisor.

I didn't know I wanted it until you said it.

I have a few QEMU VMs where I use PCI-passthrough of a whole GPU and a USB controller, and wire the display and USB outputs physically into a KVM switch - works great, but not having to fiddle with the KVM (and run out of physical ports) would be - indeed, killer app.