/archive.istio.io/v1.9/docs><h5>DOCS</h5><p>Visit the documentation for this release.</p></a><a class=entry href=https://github.com/istio/istio/compare/1.9.0...1.9.1><h5>SOURCE CHANGES</h5><p>Inspect the full set of source code changes.</p></a></div><h2 id=security-update>Security update</h2><p>A <a href=https://groups.google.com/g/envoy-security-announce/c/Hp16L27L00Q>zero-day security vulnerability</a> was fixed in the version of Envoy shipped with Istio 1.9.0. This vulnerability was fixed on February 26t