ShopSite version 11 service pack 2 revision 4 (v11 sp2 r4) has been released. This version includes the previously released patches for a PayPal IPN issue with PayPal Standard and Express (see:
http://support.shopsite.com/KBase/questions/2548/ )
More information on the release can be found in the ShopSite Knowledgebase by searching for solution 2547 or by going to this URL:
http://support.shopsite.com/KBase/questions/2547