Is AWS CloudFormation down?
Current AWS CloudFormation status is UP

We are experiencing increased latencies when creating, updating, and deleting AWS CloudFormation stacks in the US-WEST-2 Region. Customers may notice their Cloudformation stacks appearing in 'UPDATE_ROLLBACK_IN_PROGRESS' state. We have identified the root cause and are actively working on mitigating the issue.

5:19 PM PDT We have restored network connectivity within the affected Availability Zone in the EU-CENTRAL-1 Region. The vast majority of affected EC2 instances have now fully recovered but we’re continuing to work through some EBS volumes that continue to experience degraded performance. The environmental conditions within the affected Availability Zone have now returned to normal levels. We will provide further details on the root cause in a subsequent posts, but can confirm that there was no fire within the facility.
4:59 PM PDT Network connectivity has been restored within the affected Availability Zone in the EU-CENTRAL-1 Region and we are starting to see some recovery of affected RDS instances. We are continuing to work toward full recovery of the remaining RDS instances.

4:33 PM PDT We have restored network connectivity within the affected Availability Zone and continue to work on full recovery of EC2 instances and EBS volumes. Customers should begin to see recovery at this stage.
4:46 PM PDT We are starting to see some recovery in API errors and latencies in the EU-CENTRAL-1 Region and continue to work towards full recovery.
4:47 PM PDT We are starting to see some recovery in API errors in the EU-CENTRAL-1 Regions and continue to work towards full recovery.
4:59 PM PDT Network connectivity has been restored within the affected Availability Zone in the EU-CENTRAL-1 Region and we are starting to see some recovery of affected RDS instances. We are continuing to work toward full recovery of the remaining RDS instances.
5:16 PM PDT We are investigating elevated error rates for the AWS CloudFormation APIs in the EU-CENTRAL-1 Region and are actively working to resolve the issue.
5:18 PM PDT We are investigating elevated error rates for the AWS CloudFormation APIs in the EU-CENTRAL-1 Region and are actively working to resolve the issue.

9:39 AM PST We are investigating increased error rates accessing the Cloudformation Management Console in the US-EAST-1 Region.

3:12 AM PST We are investigating increased latencies when creating, updating, and deleting AWS CloudFormation stacks in the US-EAST-1 Region and are actively working to resolve the issue.