# istio_51987.yaml
apiVersion: release-notes/v2
kind: bug-fix
area: installation
issue:
- 51987
releaseNotes:
  - |
    **Removed** some fields from the helm values API that had been without effect and in some cases long-deprecated. Removed fields are: pilot.configNamespace, pilot.configSource, pilot.enableProtocolSniffingForOutbound, pilot.enableProtocolSniffingForInbound, pilot.useMCP, global.autoscalingV2API, global.configRootNamespace, global.defaultConfigVisibilitySettings, global.useMCP, sidecarInjectorWebhook.objectSelector and sidecarInjectorWebhook.useLegacySelectors.