I'd like to see the NixOS approach merged with flatpak/snap/whatever. Basically secure/deterministic, fine grained dependencies. Yet easily shared (since they a

I'd like to see the NixOS approach merged with flatpak/snap/whatever. Basically secure/deterministic, fine grained dependencies. Yet easily shared (since they are just content-addressable), and easily updated (since you don't actually have to depend on the content-hash, and distro maintainers can still coalesce the versions of many-many packages' common dependencies).