Enhanced Observability for Hono and Express projects

Published: 3 weeks ago (January 15, 2026 at 08:00 AM EST)

1 min read

Source: Vercel Blog

Experimental Build Mode for Hono and Express

Users can opt in to an experimental build mode for Hono and Express projects.
This mode lets you filter logs by route, similar to Next.js, and it updates the build pipeline with better module resolution.
To enable it, set the environment variable:

VERCEL_EXPERIMENTAL_BACKENDS=1

in your project’s environment variables.

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Experimental Build Mode for Hono and Express

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