.
(<a href=https://github.com/istio/istio/issues/22762>Issue #22762</a>)</li><li><strong>Enabled</strong> Prometheus <a href=/v1.18/docs/ops/integrations/prometheus/#option-1-metrics-merging>metrics merging</a> by default.
(<a href=https://github.com/istio/istio/issues/21366>Issue #21366</a>)</li><li><strong>Fixed</strong> Prometheus <a href=/v1.18/docs/ops/integrations/prometheus/#option-1-metrics-merging>metrics merging</a> to not drop Envoy metrics during application failures.
(<a href=https://github.com