Trello outage, 20 October 2025
Atlassian Cloud Services impacted
- Started
- Resolved
- 21 Oct 2025, 05:24 UTC (after 21 h 28 min)
- Impact
- Not stated
- Affected
- Trello.com, API, Atlassian Support - Support Portal, Atlassian Support Ticketing, Atlassian Support Knowledge Base
Last update from Trello
### Postmortem publish date: Nov 19th, 2025 ### Summary All dates and times below are in UTC unless stated otherwise. Customers utilizing Atlassian products experienced elevated error rates and degraded performance between Oct 20, 2025 06:48 and Oct 21, 2025 04:05. The service disruptions were triggered due to an [AWS DynamoDB outage](https://aws.amazon.com/message/101925/#:~:text=1%3A50%20PM.-,DynamoDB,-Between%2011%3A48) and further affected by subsequent failures in [AWS EC2](https://aws.amazon.com/message/101925/#:~:text=service%20disruption%20event.-,Amazon%20EC2,-Between%2011%3A48) and [AWS Network Load Balancer](https://aws.amazon.com/message/101925/#:~:text=service%20disruption%20...
Is Trello down now?
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