Hi,
JSS 4.4.3 is now available upstream:
https://hg.mozilla.org/projects/jss
Fedora 28 build is available via the following update:
https://bodhi.fedoraproject.org/updates/jss-4.4.3-1.fc28
Fedora Rawhide build is available in Koji.
Fedora 27 build is available in this COPR repository:
https://copr.fedorainfracloud.org/coprs/g/pki/10.6/
Thanks.
--
Endi S. Dewata