I would consider Fedora Silverblue/CoreOS, NixOS and even flatpak as a sort of hacky way to implement that. I don't know of any PoC for this. I would guess that

I would consider Fedora Silverblue/CoreOS, NixOS and even flatpak as a sort of hacky way to implement that. I don't know of any PoC for this. I would guess that there might be some research budget available for that approach.