The stdenv-updates branch has been merged into the master branch of Nixpkgs. The main change are that brings is that Nixpkgs/NixOS are now based on GCC 4.8 and Glibc 2.18, in addition to many smaller updates.
Domen Kožar gave a talk at FOSDEM about NixOS (video). Also, Ludovic Courtès gave a talk on Guix, the Nix- and Guile-based package manager.
A serious security vulnerability has been discovered in OpenSSL. All stable NixOS releases prior to version 13.10.35708.15a465c are vulnerable. (You can see your current version by running nixos-version.) To upgrade to the latest NixOS version, run nixos-rebuild switch --upgrade. You can verify whether you are safe by running $ nix-store -qR /run/current-system | grep openssl If this shows any OpenSSL version prior to 1.0.1g, you may be vulnerable.
Nix 1.7 has been released. See the release notes for a list of new features.
NixOps 1.2 has been released. This release contains contains many nice new features. See the manual for details.
NixOS 14.04 “Baboon” has been released, the second stable release branch. It brings Linux 3.12, systemd 212, GCC 4.8, Glibc 2.19, KDE 4.12, light-weight NixOS containers, and much more. See the release notes for details. You can get NixOS 14.04 ISOs and VirtualBox appliances from the download page. For information on how to upgrade a 13.10 system to 14.04, check out the manual section on upgrading.
We’re having a NixOS sprint at the Kiberpipa hackerspace in Ljubljana, Slovenia, on August 23—27. Joining is free! For more information and to register, please go to the sprint page.