Released on May 1. 2010.
Excerpt from release announcement:
The May One version of KahelOS installer (KahelOS 050110) is dedicated to all the laborers around the world. The highlight of this installer is the easier and friendlier way to do installation in a just a few steps, unlike the first two installer release. Improvements that you may discover: Compiz Fusion is enabled by default; font clean-up and improvements; improved hinting and rendering of fonts; massive clean-up of unnecessary packages, saving disk space; massive optimization of PNG, MNG, TIFF and GIF packages; new boot splash, background and theme; out-of-the-box easy file-sharing; Mabuhay Welcome Center with introduction of KahelOS; iBus is now the default alternative input bus; include all possible WiFi firmware by default."