Latest Iron 2 user agents:

User Agent Platform Device
Mozilla/5.0 (Windows; U; Windows NT 6.2; en-US) AppleWebKit/530.9 (KHTML, like Gecko) Iron/2.0.178.0 Safari/530.9 Windows 8 Unknown
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/530.9 (KHTML, like Gecko) Iron/2.0.178.0 Safari/530.9 Windows 7 Unknown
Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US) AppleWebKit/530.9 (KHTML, like Gecko) Iron/2.0.178.0 Safari/530.9 Windows Vista Unknown
Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US) AppleWebKit/530.1 (KHTML, like Gecko) Iron/2.0.168.0 Safari/530.1 Windows Vista Unknown
Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US) AppleWebKit/530.9 (KHTML, like Gecko) Iron/2.0.178.0 Safari/530.9 Windows Server 2003 Unknown
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/530.9 (KHTML, like Gecko) Iron/2.0.178.0 Safari/530.9 Windows XP Unknown
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/530.1 (KHTML, like Gecko) Iron/2.0.168.0 Safari/530.1 Windows XP Unknown