[
    {
        "type": "api-change",
        "category": "ComprehendMedical",
        "description": "The InferICD10CM API now returns TIME_EXPRESSION entities that refer to medical conditions."
    },
    {
        "type": "enhancement",
        "category": "RDS",
        "description": "Clarify that enabling or disabling automated backups causes a brief downtime, not an outage."
    },
    {
        "type": "api-change",
        "category": "STS",
        "description": "This release adds the SourceIdentity parameter that can be set when assuming a role."
    },
    {
        "type": "api-change",
        "category": "Redshift",
        "description": "Added support to enable AQUA in Amazon Redshift clusters."
    },
    {
        "type": "enhancement",
        "category": "Lightsail",
        "description": "Documentation updates for Amazon Lightsail."
    }
]