[
    {
        "type": "api-change",
        "category": "EC2",
        "description": "This release adds tagging support for Dedicated Host Reservations."
    },
    {
        "type": "api-change",
        "category": "ACM",
        "description": "AWS Certificate Manager has added a new API action, RenewCertificate. RenewCertificate causes ACM to force the renewal of any private certificate which has been exported."
    },
    {
        "type": "api-change",
        "category": "ConfigService",
        "description": "AWS Config - add ability to tag, untag and list tags for ConfigRule, ConfigurationAggregator and AggregationAuthorization resource types. Tags can be used for various scenarios including tag based authorization."
    },
    {
        "type": "api-change",
        "category": "CloudWatch",
        "description": "New Messages parameter for the output of GetMetricData, to support new metric search functionality."
    },
    {
        "type": "api-change",
        "category": "IoT",
        "description": "In this release, AWS IoT introduces support for tagging OTA Update and Stream resources. For more information about tagging, see the AWS IoT Developer Guide."
    },
    {
        "type": "api-change",
        "category": "SageMaker",
        "description": "Amazon SageMaker Automatic Model Tuning now supports random search and hyperparameter scaling."
    },
    {
        "type": "api-change",
        "category": "ACMPCA",
        "description": "AWS Certificate Manager (ACM) Private CA allows customers to manage permissions on their CAs. Customers can grant or deny AWS Certificate Manager permission to renew exported private certificates."
    }
]