18>Issue 17318</a>).</li><li><strong>Improved</strong> telemetry v2 configuration to support Stackdriver and forward compatibility (<a href=https://github.com/istio/installer/pull/591>Issue 591</a>).</li><li><strong>Improved</strong> output of <code>istioctl</code> installation (<a href=https://github.com/istio/istio/issues/19451>Issue 19451</a>).</li><li><strong>Improved</strong> <code>istioctl</code> installation to set exit code upon failure (<a href=https://github.com/istio/istio/issues/19747>Issue 1974