I notice that zfs 0.7.7 has arrived in the no-sub repo – it has a reasonably serious dataloss bug: https://github.com/zfsonlinux/zfs/issues/7401 0.7.8 has been released with a fix: https://github.com/zfsonlinux/zfs/releases/tag/zfs-0.7.8 -- Lindsay Mathieson