releases/1.6.x/announcing-1.6/change-notes/>Change Notes</a></li><li role=none><a role=treeitem title="Important changes to consider when upgrading to Istio 1.6." href=/v1.7/news/releases/1.6.x/announcing-1.6/upgrade-notes/>Upgrade Notes</a></li></ul></li></ul></li><li role=treeitem aria-label="1.5.x Releases"><button aria-hidden=true></button><a title="Announcements for the 1.5 release and its associated patch releases." href=/v1.7/news/releases/1.5.x/>1.5.x Releases</a><ul role=group aria-expanded=false><