
EC2 Auto Scaling's instance refresh now supports CloudWatch alarm-triggered rollbacks, allowing automatic reversion of instance changes if specified alarms breach during deployment.


<div><p>This article announces that EC2 Auto Scaling's instance refresh now supports automatic rollbacks triggered by CloudWatch alarms.</p><ul><li>CloudWatch alarms can now trigger automatic instance refresh rollbacks</li><li>Supports both individual metric and composite CloudWatch alarms</li><li>Auto Scaling cancels refresh and reverts changes when alarms breach</li><li>Monitor conditions like CPU utilization or application latency thresholds</li><li>Available in all AWS regions including GovCloud</li><li>Accessible via AWS Console, SDKs, and CLI; CloudFormation support coming soon</li></ul><p>This feature enables safer deployments by automatically rolling back instance refreshes when monitored metrics indicate deployment issues.</p></div>


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