About this release This document contains important information about the current release. We recommend that you read the whole document. McAfee® Web Gateway (Web Gateway) 220.127.116.11 is provided as a main release. It is an update that resolves issues present in previous versions. CAUTION: If you have implemented the bonding configuration that was available as an unsupported feature before the release of Web Gateway 7.5.2, remove any settings of this configuration before upgrading to this new product version. Otherwise you risk creating an unstable state on the appliance. End of Helix proxy support The Helix proxy is a third-party proxy for handling real-time streaming data. Support of this proxy on Web Gateway ended in December 2017. Accordingly, the first product versions that did no longer support this proxy were 18.104.22.168, 22.214.171.124, and 126.96.36.199. This information was, however, not included in the documentation at the time when these product versions were released.