[
    {
        "type": "api-change",
        "category": "WorkSpaces",
        "description": "Minor API fixes for WorkSpaces."
    },
    {
        "type": "api-change",
        "category": "EC2",
        "description": "You can now launch 8xlarge and 16xlarge instance sizes on the general purpose M5 and memory optimized R5 instance types."
    },
    {
        "type": "api-change",
        "category": "AlexaForBusiness",
        "description": "This release allows developers and customers to add SIP addresses and international phone numbers to contacts."
    },
    {
        "type": "api-change",
        "category": "Redshift",
        "description": "ClusterAvailabilityStatus: The availability status of the cluster for queries. Possible values are the following: Available, Unavailable, Maintenance, Modifying, Failed."
    }
]