Build Failures for Some Next.js Deployments

Incident Report for Vercel

Resolved

Between 16:10 and 16:43 UTC on May 22, some customers using Next.js above 16.2.0-canary.28 with Preview Comments enabled experienced build failures during deployments. The issue has been mitigated and follow-up deployments should no longer encounter this error.

Posted May 22, 2026 - 17:11 UTC

This incident affected: Build & Deploy (Builds).