This is a preview of things to come in Serenum Release 5. A new update for my OS that I am relentlessly crunching on to complete.https://samhsmith.com/serenum/
Not my video. Just felt it fits here for more discussion. Personally I do like the idea of more/better sandboxing for apps.
You don’t even need to reboot to restore a snapshot on zfs, even on root