i><li><p>Fixed the Istio installation error with Galley not being ready.</p></li><li><p>Fixed a variety of issues around mesh expansion.</p></li></ul><h2 id=policy-and-telemetry>Policy and telemetry</h2><ul><li><p>Added an experimental metrics expiration configuration to the Mixer Prometheus adapter.</p></li><li><p>Updated Grafana to 5.2.2.</p></li></ul><h3 id=adapters>Adapters</h3><ul><li>Ability to specify sink options for the Stackdriver adapter.</li></ul><h2 id=galley>Galley</h2><ul><li>Improved configu