Ubuntu engineers are debating ways to reduce the number of features present in the signed version of GRUB, the boot loader used on systems with Secure Boot enabled. Canonical engineer Julian Klode proposes dropping support for /boot on btrfs, HFS+, XFS and ZFS filesystems, along side GRUB’s JPEG and PNG image parsers, ahead of Ubuntu 26.10. Apple partition table support, LVM volume handling, all software RAID except RAID 1 and, more controversially, LUKS-encrypted /boot partitions are also on the chopping block. “The timing here is crucial”, Klode says, adding that “by performing the changes directly after an LTS, we can keep affected […]