These icons were commissioned by Canonical indeed, but they are over a year old and they're not being developed.
By the way, elementary icons, upon which Humanity icon set is based, will see a new release soon: http://elementaryos.org/journal/icons-30-begin-testing-luna -- Sergey "Shnatsel" Davidoff -- ubuntu-art mailing list ubuntu-art@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-art
