// even if they are not included in this list.
  // Note that this field cannot be set when spec.os.name is windows.
  // +optional
  repeated int64 supplementalGroups = 4;

  // A special supplemental group that applies to all containers in a pod.
  // Some volume types allow the Kubelet to change the ownership of that volume
  // to be owned by the pod:
  //

- PodSecurityPolicy objects now support a `MayRunAs` rule for `fsGroup` and `supplementalGroups` options. This allows specifying ranges of allowed GIDs for pods/containers without forcing a default GID the way `MustRunAs` does. This means that a container to which such a policy applies to won't use any fsGroup/supplementalGroup GID if not explicitly specified, yet a specified GID must still fall in the GID range according to the policy. ([#65135](ht...