The release had no formal announcement but merely a email to people who had the older SDK for older PCI cards. I'm sure a bigger announcement with more info will come 'soon'. Right now Sonic Core has a VERY short-time special discount on XITE-1 hardware with SDK for 40% off hardware price
Click the English flag at top of the page to read it in English. There is also a link on the page that leads to a request form. For those of you interested in developing on a unique platform that's highly flexible, complete, well copy-protected, and with great sounding Atoms to build from the opportunity is now here. Many more great things to come, stay tuned!
Here's links to Sonic Core's website and some of SCOPE's forums -
www.sonic-core.com
http://forums.planetz.com/
http://www.xited.org/
EDITED