The latest BizTalk 2009 cumulative update (CU) rollup hotfix pack has been released. This is the first installment for BizTalk 2009. Here is the Microsoft KB article: http://support.microsoft.com/kb/2429050. This includes numerous VS development environment fixes and a wide assortment of adapter support updates. This rollup pack also includes support for the HIPAA 5010 EDI schemas.