[
    {
        "type": "api-change",
        "category": "ECS",
        "description": "This release introduces a new ContainerDefinition configuration to support the customer-managed keys for ECS container restart feature."
    },
    {
        "type": "api-change",
        "category": "IAM",
        "description": "Make the LastUsedDate field in the GetAccessKeyLastUsed response optional. This may break customers who only call the API for access keys with a valid LastUsedDate. This fixes a deserialization issue for access keys without a LastUsedDate, because the field was marked as required but could be null."
    },
    {
        "type": "api-change",
        "category": "DocDB",
        "description": "This release adds Global Cluster Failover capability which enables you to change your global cluster's primary AWS region, the region that serves writes, during a regional outage. Performing a failover action preserves your Global Cluster setup."
    },
    {
        "type": "api-change",
        "category": "S3",
        "description": "Amazon Simple Storage Service \/ Features : Adds support for pagination in the S3 ListBuckets API."
    }
]