These references are almost definitely tied to the newly discovered “IoT Enterprise Subscription” edition of Windows 11, not the client version of Windows vNext.
With that said, I don’t think it’s unlikely that the next version of Windows will have some new capabilities that require a subscription to utilize, tied to your Microsoft account and services.
I second this. I’m a big fan of homepage. Easy to set up so long as you don’t mind a yaml config file (you can copy and paste the examples if you’re new to the format).