/h3><p>The last update is about metrics. Wasm extensions have been able to define their own custom metrics and expose them in Envoy, just like any other metric, but prior to Istio 1.12, all of these custom metrics were prefixed with the <code>envoy_</code> Prometheus namespace and users were not able to use their own namespaces. Now, you can choose whatever namespace you want, and your metrics will be exposed in Envoy as-is, without being prefixed by <code>envoy_</code>.</p><p>Note that in order to actually