You may have interacted with the Fedora Design Team in the past by filing a request on our Design Service wiki page.
I’m happy to announce that wiki page has been deprecated; we are now using the ticket system on our Fedora Hosted Trac instance. So if you need to file a request with the Fedora Design Team, you may now do so here:
A big thanks goes out to Ian Weller for transferring all our requests over to the new ticket system! :)