The Fedora Council has authorized a new Fedora Edition (as opposed to a Spin), dedicated to IoT devices and functionality! Fedora ARM developer Peter Robinson is heading up the effort, congratulations to him! He has information available on his blog located here: https://nullr0ute.com/2018/03/fedora-iot-edition-is-go/, and there is also an official Ticket capturing the Approval located here: https://pagure.io/Fedora-Council/tickets/issue/193
The Wiki is just getting built out now, so there is not a whole of information on it quite yet, but keep checking back as it takes shape: https://fedoraproject.org/wiki/Objectives/Fedora_IoT