[
    {
        "type": "api-change",
        "category": "EC2",
        "description": "Users can now better understand the longer ID opt-in status of their account using the two new APIs DescribeAggregateIdFormat and DescribePrincipalIdFormat"
    },
    {
        "type": "api-change",
        "category": "LexRuntimeService",
        "description": "You can now define a response for your Amazon Lex chatbot directly from the AWS console. A response consists of messages dynamically selected from a group of pre-defined messages, populated by the developer."
    },
    {
        "type": "api-change",
        "category": "LexModelBuildingService",
        "description": "You can now define a response for your Amazon Lex chatbot directly from the AWS console. A response consists of messages dynamically selected from a group of pre-defined messages, populated by the developer."
    }
]