Here's a link to the latest issue of WJ Sperko's Sec IX article, which contains a summary of changes of ASME section IX. WJ Sperko is member of one of the sec IX committees and bi-annually posts this very useful article for those involved in welding, welding inspection, etc. to review all the changes, in a very well doucmenten and easy to read way. Also visit his website for more interesting article and information on welding and ASME sec IX