[
    {
        "type": "api-change",
        "category": "LexRuntimeService",
        "description": "Amazon Lex supports intent classification confidence scores along with a list of the top five intents."
    },
    {
        "type": "api-change",
        "category": "PersonalizeRuntime",
        "description": "Adds support for implicit impressions"
    },
    {
        "type": "api-change",
        "category": "Personalize",
        "description": "Add 'exploration' functionality"
    },
    {
        "type": "api-change",
        "category": "LexModelBuildingService",
        "description": "Amazon Lex supports the option to enable accuracy improvements and specify an intent classification confidence score threshold."
    },
    {
        "type": "api-change",
        "category": "EC2",
        "description": "This release supports Wavelength resources, including carrier gateways, and carrier IP addresses."
    },
    {
        "type": "api-change",
        "category": "PersonalizeEvents",
        "description": "Adds support implicit and explicit impression input"
    }
]