Increased Latencies

2:49 PM PDT 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.

3:15 PM PDT We can confirm increased latencies when creating, updating, and deleting AWS CloudFormation stacks in the US-WEST-2 Region. Customers may notice their Cloudformation stacks appearing in an 'UPDATE_ROLLBACK_IN_PROGRESS' state. We are actively working on multiple paths to mitigation. We have already begun to see some level of recovery, and will continue to observe additional recovery as our mitigations progress. We continue to work toward full recovery and will update you in the next 30 minutes.

4:04 PM PDT We continue to work toward mitigating the issue resulting in latencies when creating, updating, and deleting AWS Cloudformation stacks in the US-WEST-2 Region. While we initially observed some recovery, additional progress thus far has been slower than we initially anticipated. The team continues to work on multiple parallel paths for recovery, and will continue to provide updates as recovery progresses.