[
    {
        "type": "api-change",
        "category": "EC2",
        "description": "The DescribeInstanceTypes API now returns default connection tracking timeout values for TCP, UDP, and UDP stream via the new connectionTrackingConfiguration field on NetworkInfo."
    },
    {
        "type": "api-change",
        "category": "MediaConvert",
        "description": "This update adds additional bitrate options for Dolby AC-4 audio outputs."
    }
]