Updated 10:11 a.m. Eastern on September 28, 2026
Vercel reports that build failures and 500 errors for functions using Edge runtime are resolved, with the incident last updated at 2026-09-28T14:11:29.951Z.
What is affected
A small number of customers who built or deployed functions using Edge runtime between 13:01 and 13:11 UTC experienced elevated build failures, and some builds succeeded but returned 500 errors from Edge runtime functions.
Official update timeline
A small number of customers who built or deployed functions using Edge runtime between 13:01 and 13:11 UTC experienced elevated rates of build failures due to unexpected error. Some builds succeeded but resulted in 500 errors from functions using Edge runtime. Re-deploy functions using Edge runtime to accelerate remediation.
This incident has been resolved.
