Hi I think this may have been handled?
% git remote -v origin https://salsa.debian.org/installer-team/partman-auto.git (fetch) origin https://salsa.debian.org/installer-team/partman-auto.git (push) % git log --oneline recipes-amd64-efi/atomic 4d2966b Set minimimum size of / partition a5df6f5 Increase the EFI System Partition size slightly to ensure that it's at least 512MiB, not just 512MB. See LP #1306164. 4df3586 Add x86 UEFI support, merging some code from Ubuntu to help What I am unable to check at present is whether requesting an 'atomic' partitioning in the preseed file and UEFI netbooting automagically selects the recipe above. Cheers Vince