The caveat of this being non-validated development software, and it not being compatible with Secure Boot are still there, but at least it should avoid the shlibs breakage. (Please note I have only uploaded grub2-unsigned, which only includes grub-efi-*, but that's all you need to test EFI changes).
Update: Instead of my name space, I have uploaded a 2.12 version to this PPA: https:/ /launchpad. net/~ubuntu- uefi-team/ +archive/ ubuntu/ backports- build
If it builds correctly, it can be used on Jammy with less fear by adding: /ppa.launchpadc ontent. net/ubuntu- uefi-team/ backports- build/ubuntu/ jammy main"
"deb [trusted=yes] https:/
The caveat of this being non-validated development software, and it not being compatible with Secure Boot are still there, but at least it should avoid the shlibs breakage. (Please note I have only uploaded grub2-unsigned, which only includes grub-efi-*, but that's all you need to test EFI changes).