I haven’t dug in yet (intend to this week), but when I copy the files in your most recent release into the hidden EFI folder on a USB stick prepared with the Big Sur installer (using Apple’s USB stick preparation steps), it boots fine on an ASUS ROG Strix Z490-E with an Intel i7 10700k CPU, but the boot menu doesn’t have any install option.
I haven’t dug in yet (intend to this week), but when I copy the files in your most recent release into the hidden EFI folder on a USB stick prepared with the Big Sur installer (using Apple’s USB stick preparation steps), it boots fine on an ASUS ROG Strix Z490-E with an Intel i7 10700k CPU, but the boot menu doesn’t have any install option.