ity/istio-security-2020-004>our March 25th, 2020 news post</a>. This release note describes what’s different between Istio 1.5.0 and Istio 1.5.1.</p><div class="relnote-actions call-to-action"><a class=entry href=/v1.10/news/releases/1.5.x/announcing-1.5/upgrade-notes/><h5>BEFORE YOU UPGRADE</h5><p>Things to know and prepare before upgrading.</p></a><a class="update-notice entry" data-title="Update Notice" data-downloadhref=https://github.com/istio/istio/releases/tag/1.5.1 data-downloadbuttontext="DOWNLOA