[
    {
        "type": "enhancement",
        "category": "CloudWatch",
        "description": "Documentation updates for monitoring"
    },
    {
        "type": "enhancement",
        "category": "PI",
        "description": "You can group DB load according to the dimension groups for database, application, and session type. Amazon RDS also supports the dimensions db.name, db.application.name, and db.session_type.name."
    },
    {
        "type": "api-change",
        "category": "CloudTrail",
        "description": "CloudTrailInvalidClientTokenIdException is now thrown when a call results in the InvalidClientTokenId error code. The Name parameter of the AdvancedEventSelector data type is now optional."
    },
    {
        "type": "api-change",
        "category": "IoTSiteWise",
        "description": "Added the ListAssetRelationships operation and support for composite asset models, which represent structured sets of properties within asset models."
    },
    {
        "type": "api-change",
        "category": "AutoScaling",
        "description": "Documentation updates and corrections for Amazon EC2 Auto Scaling API Reference and SDKs."
    },
    {
        "type": "enhancement",
        "category": "GuardDuty",
        "description": "Documentation updates for GuardDuty"
    }
]