Hello When I try to set a rolling_updates policy on the AutoScalingGroup resource, heat stack-create fails with "ERROR: Uknown Property rolling_update". Even id "rolling_updates" is documented for IceHouse version. Pelase find bellow the AutoScalingGroup:

scaling_group:
  type: OS::Heat::AutoScalingGroup
  properties:
    desired_capacity: 2
    min_size: 2
    max_size: 4
    rolling_updates:
      min_instance_service: 1
      max_batch_size: 1
      pause_time: 0

resource:
  type: My::Scaling::Server
  properties:
    image_name: { get_param: image_name }
    key_name: { get_param: key_name }
    public_net_id: { get_param: public_net_id }
    private_net_id: { get_param: private_net_id }
    private_subnet_id: { get_param: private_subnet_id }
    flavor_name: { get_param: flavor_name }
    security_group: { get_attr: [security, security_group] }
    pool_id: {get_resource: pool}

Thanks in advance for your help.