[
    {
        "type": "api-change",
        "category": "MediaConvert",
        "description": "This release adds style and positioning support for caption or subtitle burn-in from rich text sources such as TTML. This release also introduces configurable image-based trick play track generation."
    },
    {
        "type": "api-change",
        "category": "SSM",
        "description": "Added cutoff behavior support for preventing new task invocations from starting when the maintenance window cutoff time is reached."
    },
    {
        "type": "api-change",
        "category": "AppSync",
        "description": "Documented the new OpenSearchServiceDataSourceConfig data type. Added deprecation notes to the ElasticsearchDataSourceConfig data type."
    }
]