vg#menu-close"/></svg></button></form></nav></header><div class=banner-container></div><article class=post itemscope itemtype=http://schema.org/BlogPosting><div class=header-content><h1>Istio 1.9 Change Notes</h1><p>Istio 1.9.0 release notes.</p></div><p class=post-author>Feb 9, 2021</p><div><h2 id=known-issues>Known Issues</h2><ul><li>Wasm extension configuration updates can be disruptive (see <a href=https://github.com/istio/istio/issues/29843>Issue #29843</a>).</li></ul><h2 id=traffic-management>Traffic 