[
    {
        "type": "api-change",
        "category": "EC2",
        "description": "Client VPN now supports Port Configuration for VPN Endpoints, allowing usage of either port 443 or port 1194."
    },
    {
        "type": "api-change",
        "category": "DirectoryService",
        "description": "To reduce the number of errors our customers are facing, we have modified the requirements of input parameters for two of Directory Service APIs."
    },
    {
        "type": "api-change",
        "category": "SageMaker",
        "description": "This release adds two new APIs (UpdateWorkforce and DescribeWorkforce) to SageMaker Ground Truth service for workforce IP whitelisting."
    }
]