aria-label=Breadcrumb><ol><li><a href=/v1.6/ title="Connect, secure, control, and observe services.">Istio</a></li><li><a href=/v1.6/news/ title="Timely news about the Istio project.">News</a></li><li><a href=/v1.6/news/releases/ title="Announcements for all of Istio's major releases and patch releases.">Release Announcements</a></li><li><a href=/v1.6/news/releases/1.2.x/ title="Announcements for the 1.2 release and its associated patch releases.">1.2.x Releases</a></li><li>1.2.1</li></ol></nav><article ari