[
    {
        "type": "api-change",
        "category": "IoTSiteWise",
        "description": "Remove the CreatePresignedPortalUrl API"
    },
    {
        "type": "api-change",
        "category": "DLM",
        "description": "Amazon Data Lifecycle Manager now supports the creation and retention of EBS-backed Amazon Machine Images"
    },
    {
        "type": "api-change",
        "category": "EC2",
        "description": "Network card support with four new attributes: NetworkCardIndex, NetworkPerformance, DefaultNetworkCardIndex, and MaximumNetworkInterfaces, added to the DescribeInstanceTypes API."
    },
    {
        "type": "enhancement",
        "category": "SSM",
        "description": "Documentation updates for Systems Manager"
    },
    {
        "type": "api-change",
        "category": "MediaLive",
        "description": "Support for SCTE35 ad markers in OnCuePoint style in RTMP outputs."
    }
]