Vercel Sandboxes now expose port 8080 as a usable ingress domain, reversing a previous restriction that blocked developers from binding services to that port.
The change required moving the internal controller off port 8080, which now runs on port 23456. If your sandbox relied on that controller port directly, update your configuration.
The full implications for multi-service sandbox architectures are in the Vercel Sandbox documentation, worth reading if you are routing traffic through sandboxed environments in production pipelines.
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