This is not a new behavior. On Fedora-Live-Workstation-x86_64-rawhide-20140619.iso I
observe UEFI booting, the GRUB menu 2nd option is the default "Test this media &
start Fedora Live"
Whereas on BIOS, the syslinux default is "Start Fedora 21" no media check.
Why are they different?
Chris Murphy