kthreadd writes: GNU GRUB has been updated to version 1.99. Among the many improvements are support for two new filesystems, BtrFS and ZFS. For Linux users this means that it's now possible to move to BtrFS entirely and not use it only for non-bootable volumes. Link to Original Source
The most difficult thing in the world is to know how to do a thing and to
watch someone else doing it wrong, without commenting.
-- T.H. White