If you have a Change proposal that requires a mass rebuild or are categorized as a system-wide change, those proposals must be submitted (i.e. in ChangeReadyForWrangler category) tomorrow, 2 July.
Self-contained change proposals are due on 23 July.
For more development milestones in the F31 schedule, see: https://fedorapeople.org/groups/schedule/f-31/f-31-devel-tasks.html
devel-announce@lists.fedoraproject.org