In today’s instance I updated with the system tray update (don’t know what it’s name is). Today’s updates include:
Full list of today’s updates on this system: updates-2019-02008.txt (2.1 KB)
Anyway when the script runs it does not pick up other operating systems as if os-prober is not enabled. Thus user will need to run:
$ sudo grub2-mkconfig -o /boot/grub2/grub.cfg
to repopulate grub.cfg.
I don’t know that os-prober is not enabled all I know is that other operating systems are not detected when the updater updates grub2 packages.