It makes it sound that only deployments to dxb1 are failing. But it’s not just that, it’s all the deployments (globally) with middleware are failing. And it’s not 40 minutes. It has been hours by now
Deployments should be working now. More details about the global incident are shared in Vercel Status - Elevated deployment and function invocations failures
Dubai (dxb1) is still unavailable at the moment. Latest updates on that will be shared in Vercel Status - Dubai region (dxb1) is unavailable