AsyncOS 7.0 for Web has gone FCS, meaning it is fully supported for production use, and is available on request through your sales team or Cisco IronPort support. The major features in the release include available Sophos antivirus engine, AnyConnect Secure Mobility for integration of remote access, Web Application Visibility and Control, and SaaS Access Control via SAML. The release notes are available on the support portal.
The next relese is AsyncOs for Web 7.1, which adds enhanced on-box reporting and user activity tracking, as well as integration with the M-Series Security Management Appliance. This release is still in its final QA stages and has not yet gone FCS.