href=https://github.com/istio/istio/issues/25531>Issue #25531</a>)</li><li><strong>Fixed</strong> an issue that caused the <code>user agent</code> header to be missing in the Stackdriver access log.
(<a href=https://github.com/istio/proxy/pull/3083>PR #3083</a>)</li></ul></div><nav class=pagenav><div class=left></div><div class=right><a title="Istio 1.6.13 patch release." href=/v1.12/news/releases/1.6.x/announcing-1.6.13/ class=next-link>1.6.13<svg class="icon right-arrow"><use xlink:href="/v1.12/img/icons.