NixOS 14.12 “Caterpillar” has been released, the third stable
release branch. It brings Linux 3.14, systemd 217, Glibc 2.20,
KDE 4.14.1, and much more. See the release
notes
for details. You can get NixOS 14.12 ISOs and VirtualBox
appliances from the download
page. For information on how to upgrade from older release
branches to 14.12, check out the manual section
on
upgrading.
Distro