Vercel change history: Increased build and deployment failures

Vercel reported a major incident affecting builds and deployments from 2026-10-12 13:35 UTC to 2026-10-12 20:11 UTC, lasting 6 h 36 min. An upstream GitHub incident caused some GitHub-connected projects’ builds and deployments to fail; deployment-status updates on pull requests were also delayed. The event backlog was processed, and the incident was resolved.