I can confirm that in core18 we also don't have fwupdate. The system-image seed is used during ubuntu-base builds that are used as the base of core18, but fwupdate is not part of it - and it is not installed separately either.
I can confirm that in core18 we also don't have fwupdate. The system-image seed is used during ubuntu-base builds that are used as the base of core18, but fwupdate is not part of it - and it is not installed separately either.