After lots of work from lots of people (thank you everyone!) #Fedora Rawhide now works with Secure Boot on aarch64: https://www.jcline.org/blog/fedora/2026/04/01/fedora-aarch64-secureboot.html
Fedora's aarch64 images support Secure Boot

About seven years ago, a ticket wasfiled noting aarch64 systems wereshipping with Secure Boot enabled, and that Fedora should start signing its boot path to ...

@jcline This is big! Thanks a lot to everyone involved.