a16de399a1
Even though the release obviously already happened, I think it might still make sense to add a short note about the attributes not being supported any longer (and going forward). (cherry picked from commit 7163d3a9df35904d0c9acc9f643fd70ee3108539) (cherry picked from commit a64b8c3c191af1317cfdc1ea4f4e5f881c4cf503)
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at http://nixos.org/nixos and in the manual in doc/manual.