[
    {
        "type": "api-change",
        "category": "CloudSearch",
        "description": "Adds an additional validation exception for Amazon CloudSearch configuration APIs for better error handling."
    },
    {
        "type": "enhancement",
        "category": "ECS",
        "description": "Documentation only update to address tickets."
    },
    {
        "type": "api-change",
        "category": "EC2",
        "description": "EncryptionSupport for InstanceStorageInfo added to DescribeInstanceTypes API"
    },
    {
        "type": "api-change",
        "category": "MediaTailor",
        "description": "MediaTailor now supports ad prefetching."
    }
]