On August 7, 2024, Vercel experienced a significant service disruption affecting its Edge Middleware and Edge Functions due to an upstream provider's global configuration error. The outage lasted for 26 minutes and impacted 61% of all invocations. Vercel has taken steps to mitigate the issue by initiating a config override, restoring the desired state, and implementing fail-safes for their traffic volume. They are also working on enhancing the resilience of their Edge Middleware and Edge Functions through configuration management, additional redundancy, and unified infrastructure. The company apologizes for the inconvenience caused to its customers and is committed to preventing similar issues in the future.