ontains bug fixes to improve robustness. This release note describes what’s different between Istio 1.9.8 and Istio 1.9.9.</p><div class="relnote-actions call-to-action"><a class=entry href=/v1.22/news/releases/1.9.x/announcing-1.9/upgrade-notes/><h5>BEFORE YOU UPGRADE</h5><p>Things to know and prepare before upgrading.</p></a><a class=entry href=https://github.com/istio/istio/releases/tag/1.9.9><h5>DOWNLOAD</h5><p>Download and install this release.</p></a><a class=entry href=https://archive.istio.io/v1.9