[
    {
        "type": "api-change",
        "category": "EC2",
        "description": "Introduces the following features: 1. Create a default subnet in an Availability Zone if no default subnet exists. 2. Spot Fleet integrates with Elastic Load Balancing to enable you to attach one or more load balancers to a Spot Fleet request. When you attach the load balancer, it automatically registers the instance in the Spot Fleet to the load balancers which distributes incoming traffic across the instances. "
    }
]