- DRA: client-side validation of a ResourceHandle would have accepted a missing DriverName, whereas server-side validation then would have raised an error. ([#124075](https://github.com/kubernetes/kubernetes/pull/124075), [@pohly](https://github.com/pohly)) [SIG Apps]

  repeated string certSigners = 68;

  // TODO: remove this?
  // No longer used.
  string configRootNamespace = 50;

  // Controls whether the server-side validation is enabled.
  google.protobuf.BoolValue configValidation = 3;

  // TODO: remove this?
  // No longer used.
  repeated string defaultConfigVisibilitySettings = 52;