# istio_52877.yaml
apiVersion: release-notes/v2
kind: feature
area: traffic-management
issue: [52877]
releaseNotes:
- |
  **Added** new istiod environment variable `PILOT_DNS_JITTER_DURATION` that sets jitter for periodic DNS resolution.
  See `dns_jitter` in `https://www.envoyproxy.io/docs/envoy/latest/api-v3/config/cluster/v3/cluster.proto`.