Not really, you can snapshot virtual disks to get kinda sorta close for VMs, but that's the whole disk and all data. Boot environments are closely linked to the

Not really, you can snapshot virtual disks to get kinda sorta close for VMs, but that's the whole disk and all data. Boot environments are closely linked to the filesystem layout where home folders are a separate ZFS dataset so that data isn't lost when booting to an old BE.