Vercel change history: New container functions are failing

Vercel reported a major Functions outage: newly deployed container functions could return 5XX errors from 2026-08-20 17:46 UTC until resolution at 2026-08-20 18:34 UTC (47 min). Customers could temporarily use a previously working deployment; Vercel reported deploying a fix at 18:23 UTC, restoring newly deployed container functions.