[
    {
        "type": "api-change",
        "category": "SSM",
        "description": "This release updates AWS Systems Manager APIs to let customers create and use service-linked roles to register and edit Maintenance Window tasks."
    },
    {
        "type": "api-change",
        "category": "ResourceGroups",
        "description": "AWS Resource Groups service added a new feature to filter group resources by resource-type when using the ListGroupResources operation."
    },
    {
        "type": "api-change",
        "category": "Kinesis",
        "description": "This update introduces SubscribeToShard and RegisterStreamConsumer APIs which allows for retrieving records on a data stream over HTTP2 with enhanced fan-out capabilities. With this new feature the Java SDK now supports event streaming natively which will allow you to define payload and exception structures on the client over a persistent connection. For more information, see Developing Consumers with Enhanced Fan-Out in the Kinesis Developer Guide."
    },
    {
        "type": "api-change",
        "category": "Polly",
        "description": "Amazon Polly enables female voice Aditi to speak Hindi language"
    },
    {
        "type": "enhancement",
        "category": "Greengrass",
        "description": "AWS Greengrass is now available in the Dublin, Ireland (Europe) region, eu-west-1."
    }
]