Greetings!
Today, on 2018-Jan-09, we have reached Fedora 28 Change Checkpoint:
Proposal submission deadline (Changes requiring mass rebuild & system
wide changes) [1].
At this point, only Self Contained Changes will be accepted for Fedora
28. Any Change Proposal requiring mass rebuild or a System wide Change
should be scheduled for a later Fedora release.
Self Contained Changes are still accepted until 2018-Jan-30, as
published in the F28 schedule [1].
On 2018-Feb-20 is planned "Change Checkpoint Completion deadline
(testable)" where all Changes should be implemented and testable.
[1]
https://fedoraproject.org/wiki/Releases/28/Schedule
Regards,
Jan
--
Jan Kuřík
Platform & Fedora Program Manager
Red Hat Czech s.r.o., Purkynova 99/71, 612 45 Brno, Czech Republic