[ { "type": "api-change", "category": "RDS", "description": "This release adds support for creating a Read Replica with Active Directory domain information. This release updates RDS API to indicate whether an OrderableDBInstanceOption supports Kerberos Authentication." }, { "type": "api-change", "category": "MQ", "description": "Amazon MQ now includes the ability to scale your brokers by changing the host instance type. See the hostInstanceType property of UpdateBrokerInput (https:\/\/docs.aws.amazon.com\/amazon-mq\/latest\/api-reference\/brokers-broker-id.html#brokers-broker-id-model-updatebrokerinput), and pendingHostInstanceType property of DescribeBrokerOutput (https:\/\/docs.aws.amazon.com\/amazon-mq\/latest\/api-reference\/brokers-broker-id.html#brokers-broker-id-model-describebrokeroutput)." }, { "type": "api-change", "category": "WAF", "description": "Lowering the threshold for Rate Based rule from 2000 to 100." } ]