Yesterday evening we have started the final round of validation before GA release. As of now situation is under control. Based on the current trac stats, I believe, v5 release will happen within 5 days time.
http://vtiger.fosslabs.com/cgi-bin/trac.cgi/query?status=new&status=assigned&status=reopened&version=5.0-RC&order=priority
We have also updated the Demo for the benefit of community identifying any new issues
URL: http://en.vtiger.com
Happy testing,
Gopal