[
    {
        "type": "enhancement",
        "category": "SQS",
        "description": "Documentation updates for Amazon SQS."
    },
    {
        "type": "api-change",
        "category": "EC2",
        "description": "Adding a new reserved field to support future infrastructure improvements for Amazon EC2 Fleet."
    },
    {
        "type": "api-change",
        "category": "SageMaker",
        "description": "SageMaker model registry now supports up to 5 containers and associated environment variables."
    }
]