This is easily the most bug-free build we've yet to put out (they've always been reliable/stable so I won't say 'the most stable'). Not only is it mostly bug-free but there's new useful features that are exciting to go with it! With Ian's Spam Filter file (
Found Here: http://www.ik-cs.com/ytk/Filters.sav) and this new beta build of YTK Pro, the sky's the limit.
Expect things only to get bigger and better!