In 2020 upgrades will getting easier too. We will add support for &ldquo;canarying&rdquo;
new versions of the Istio control plane, which allows you to run a new version
alongside the existing version and gradually switch your data plane over to use
the new one.</p><h2 id=secure-by-default>Secure By Default</h2><p>Istio already provides the fundamentals for strong service security: reliable
workload identity, robust access policies and comprehensive audit logging. We’re
stabilizing APIs for these features;