[
    {
        "type": "api-change",
        "category": "CodeGuruReviewer",
        "description": "The Amazon CodeGuru Reviewer API now includes the RuleMetadata data object and a Severity attribute on a RecommendationSummary object. A RuleMetadata object contains information about a rule that generates a recommendation. Severity indicates how severe the issue associated with a recommendation is."
    },
    {
        "type": "api-change",
        "category": "EMR",
        "description": "This release enables customers to login to EMR Studio using AWS Identity and Access Management (IAM) identities or identities in their Identity Provider (IdP) via IAM."
    },
    {
        "type": "api-change",
        "category": "LookoutEquipment",
        "description": "Added OffCondition parameter to CreateModel API"
    }
]