On Wed, May 10, 2023 at 3:56 PM Neal Gompa ngompa13@gmail.com wrote:
At least in the upstream kiwi project, we encountered problems making bigger ESPs because not all UEFI implementations handle FAT32 (despite it being part of the spec). In particular, there were a few server boards and especially AWS EC2 that couldn't handle it.
As I recall, modern FAT16 implementations (and yes, not all UEFI implementations might support modern FAT16) support a 4GB disk size, which is more than the proposed 1GB size.