In addition to numerous new and upgraded packages, this release has the following highlights: Following new services were added since the last release: brltty When upgrading from a previous release, please be aware of the following incompatible changes: Steam now doesn't need root rights to work. Instead of using *-steam-chrootenv, you should now just run steam. steamChrootEnv package was renamed to steam, and old steam package -- to steamOriginal. CMPlayer has been renamed to bomi upstream. Package cmplayer was accordingly renamed to bomi The default NIX_PATH for NixOS now includes /nix/var/nix/profiles/per-user/root/channels, so it's easy to add custom channels. Moreover, whenever a nixos-rebuild <action> --upgrade is issued, every channel that includes a file called .update-on-nixos-rebuild will be upgraded alongside of the nixos channel.