[
    {
        "type": "api-change",
        "category": "EC2",
        "description": "With this release, you can call ModifySubnetAttribute with two new parameters: MapCustomerOwnedIpOnLaunch and CustomerOwnedIpv4Pool, to map a customerOwnedIpv4Pool to a subnet. You will also see these two new fields in the DescribeSubnets response. If your subnet has a customerOwnedIpv4Pool mapped, your network interface will get an auto assigned customerOwnedIpv4 address when placed onto an instance."
    },
    {
        "type": "api-change",
        "category": "SSM",
        "description": "AWS Systems Manager Parameter Store launches new data type to support aliases in EC2 APIs"
    },
    {
        "type": "enhancement",
        "category": "Support",
        "description": "Documentation updates for support"
    }
]