Hi All,
F-31 has now branched, we now have IoT composes available available for both F-31 (branched) and rawhide/32.
In terms of ostree branches F-31 is now on devel and F-32 is on rawhide, to rebase to the desired release please follow the following docs: https://docs.fedoraproject.org/en-US/iot/rebasing/
Images and installers can be downloaded from the appropriate places here: https://dl.fedoraproject.org/pub/alt/iot/
Please feel free to report any issues here with either the composes or the docs.
Peter