# istio_53577.yaml
apiVersion: release-notes/v2
kind: feature
area: traffic-management
issue: [53577]
releaseNotes:
  - |
    **Added** Istiod environment variable `PILOT_DNS_CARES_UDP_MAX_QUERIES` that controls the `udp_max_queries` field of Envoy's default Cares DNS resolver.
    This value defaults to 100 when unset.
    For more information, see https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/network/dns_resolver/cares/v3/cares_dns_resolver.proto#envoy-v3-api-field-extensions-network-dns-resolver-cares-v3-caresdnsresolverconfig-udp-max-queries