tio 1.1 <code>sidecar</code> performance tuning to the <code>istio-gateway</code>.</p></li><li><p>Improve destination host validation by rejecting <code>*</code> hosts (<a href=https://github.com/istio/istio/issues/12794>Issue 12794</a>).</p></li><li><p>Expose upstream <code>idle_timeout</code> in cluster definition so dead connections can sometimes be removed from connection pools before they are used
(<a href=https://github.com/istio/istio/issues/9113>Issue 9113</a>).</p></li><li><p>When registering a <co