Transparent compression. Subvolumes: "Lightweight partitions" allow you more easily to define the scope of a snapshot. With ext4+lvm you have to create a new p

Transparent compression. Subvolumes: "Lightweight partitions" allow you more easily to define the scope of a snapshot. With ext4+lvm you have to create a new partition and logical volume. I don't think, it is a big game-changer, but then I don't think, the other things are such dealbreakers as many people think. I consider "is more prone to data corruption" as largely historical/anecdotal. Btrfs send sounds appealing, but personally, I prefer my backup solution to be independent of the filesystem.