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, alongside 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. Many of these features are said to be ‘inherited by Debian, but never tested in Ubuntu’. “The timing here is crucial”, Klode […]You're reading Ubuntu 26.10 could drop btrfs, ZFS and LUKS support from GRUB, a blog post from OMG! Ubuntu. Do not reproduce elsewhere without permission.