[
    {
        "type": "enhancement",
        "category": "Route53",
        "description": "Documentation updates for Route 53"
    },
    {
        "type": "api-change",
        "category": "EMR",
        "description": "Amazon EMR adds support for ICMP, port -1, in Block Public Access Exceptions and API access for EMR Notebooks execution. You can now non-interactively execute EMR Notebooks and pass input parameters."
    },
    {
        "type": "api-change",
        "category": "CostandUsageReportService",
        "description": "This release add MONTHLY as the new supported TimeUnit for ReportDefinition."
    },
    {
        "type": "api-change",
        "category": "CloudFront",
        "description": "You can now manage CloudFront's additional, real-time metrics with the CloudFront API."
    }
]