Bazzite supports secure boot just fine, its actually enabled by default. I'm sure others do too.
Secure boot mainly gets annoying if you have an Nvidia card, since the akmod needs to be self-signed. It's not insurmountable but you have to load your keys into the UEFI before it'll work.
alt Hacker News
Secure boot mainly gets annoying if you have an Nvidia card, since the akmod needs to be self-signed. It's not insurmountable but you have to load your keys into the UEFI before it'll work.