 release contains fixes for the security vulnerability described in <a href=/v1.25/news/security/istio-security-2019-007/>our December 10th, 2019 news post</a>. This release note describes what’s different between Istio 1.4.1 and Istio 1.4.2.</p><div class="relnote-actions call-to-action"><a class=entry href=/v1.25/news/releases/1.4.x/announcing-1.4/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' dat