[
    {
        "type": "api-change",
        "category": "SSM",
        "description": "This Patch Manager release supports creating patch baselines for CentOS."
    },
    {
        "type": "api-change",
        "category": "CloudFormation",
        "description": "Enabling resource level permission control for StackSets APIs. Adding support for customers to use customized AdministrationRole to create security boundaries between different users."
    },
    {
        "type": "api-change",
        "category": "AlexaForBusiness",
        "description": "Adds operations for creating and managing address books of phone contacts for use in A4B managed shared devices."
    },
    {
        "type": "api-change",
        "category": "Greengrass",
        "description": "Greengrass APIs now support creating Machine Learning resource types and configuring binary data as the input payload for Greengrass Lambda functions."
    }
]