I have rebuilt shim from focal with the suggested patch from upstream and can confirm that with the resulting shimx64.efi (and Secure Boot disabled) shim would successfully launch fwupd as expected and pending firmware updates were successfully installed. See attached for the debdiff used in this case.
I have rebuilt shim from focal with the suggested patch from upstream and can confirm that with the resulting shimx64.efi (and Secure Boot disabled) shim would successfully launch fwupd as expected and pending firmware updates were successfully installed. See attached for the debdiff used in this case.