[
    {
        "type": "enhancement",
        "category": "DocDB",
        "description": "Added clarifying information that Amazon DocumentDB shares operational technology with Amazon RDS and Amazon Neptune."
    },
    {
        "type": "api-change",
        "category": "KMS",
        "description": "The ConnectCustomKeyStore API now provides a new error code (SUBNET_NOT_FOUND) for customers to better troubleshoot if their \"connect-custom-key-store\" operation fails."
    }
]