It's a stable release based on the unstable Debian Sid branch
Semplice Linux, a GNU/Linux distribution based on Debian's Sid unstable branch with the goal to provide a simple, lightweight, fast and cool environment, is now at version 3.0.The current release of Semplice, 3.0, is based on Linux kernel 3.2.35 and is pretty stable as a Live CD. Keep in mind though that it's based on the unstable branch of Debian and it will probably never be considered truly stable.
Highlights of Semplice Linux 3.0:
• Openbox window manager has been updated to version 3.5.0;
• Linux Kernel has been updated to version 3.2.35;
• Chromium web browser has been updated to version 22.0.1229.94;
• GNOME Mplayer has been updated to version 1.0.6;
• lxshortcut has been added and Pcmanfm can now create shortcuts.
A complete list of changes can be found in the official announcement.
Download Semplice Linux 3.0 right now from Softpedia.