Depends what you mean by "stable". The download link on the dscaler site currently has the 4.0.1. There is a dscaler list only release. You'll have ot go to the sourceforge page and find the link in the discussion list. I don't think they really want it posted here.
A forum community dedicated to home theater owners and enthusiasts. Come join the discussion about home audio/video, TVs, projectors, screens, receivers, speakers, projects, DIY’s, product reviews, accessories, classifieds, and more!