[
    {
        "type": "enhancement",
        "category": "Batch",
        "description": "Documentation updates for batch"
    },
    {
        "type": "api-change",
        "category": "CloudWatchEvents",
        "description": "Exposes ConcurrentModificationException as one of the valid exceptions for PutPermission and RemovePermission operation."
    },
    {
        "type": "api-change",
        "category": "EC2",
        "description": "You are now able to create and launch EC2 x1e.32xlarge instance, a new EC2 instance in the X1 family, in us-east-1, us-west-2, eu-west-1, and ap-northeast-1. x1e.32xlarge offers 128 vCPUs, 3,904 GiB of DDR4 instance memory, high memory bandwidth, large L3 caches, and leading reliability capabilities to boost the performance and reliability of in-memory applications."
    },
    {
        "type": "api-change",
        "category": "AutoScaling",
        "description": "Customers can create Life Cycle Hooks at the time of creating Auto Scaling Groups through the CreateAutoScalingGroup API"
    }
]