039>Issue #14039</a>)</li></ul><h2 id=security>Security</h2><ul><li><strong>Improved</strong> Trust Domain Validation to validate TCP traffic as well, previously only HTTP traffic was validated.
(<a href=https://github.com/istio/istio/issues/26224>Issue #26224</a>)</li><li><strong>Improved</strong> Istio Gateways to allow use of source principal based authorization when the Server&rsquo;s TLS mode is <code>ISTIO_MUTUAL</code>.
(<a href=https://github.com/istio/istio/issues/25818>Issue #25818</a>)</li><li><s