istio/pull/28801>Pull Request #28801</a>)</p></li><li><p><strong>Fixed</strong> an issue to allow nested JSON structure in <code>meshConfig.accessLogFormat</code>.
(<a href=https://github.com/istio/istio/issues/28597>Issue #28597</a>)</p></li><li><p><strong>Updated</strong> Prometheus metrics to include <code>source_cluster</code> and <code>destination_cluster</code> labels by default for all scenarios. Previously, this was only enabled for multi-cluster scenarios. (<a href=https://github.com/istio/istio/pu