Kali Linux has been released yesterday, 11-Aug-2015. Kali Linux 2.0 is now with a major release in tools, distribution and user interface since March 2013. Here are the major changes that you can see in Kali Linux 2.0.
- new 4.0 kernel
- based on Debian Jessie
- improved hardware and wireless drivers
- support for variety of Desktop Environments (GNOME, KDE, xfce, mate, e17, lxde, i3wm)
- updated penetration testing tools