§ tools · storyline
Protected Source Maps: Ship browser source maps securely
Vercel launches Protected Source Maps, restricting browser source map access to authenticated team members while returning 404s to all other requests.
You can now restrict access to production source maps with , which puts browser files behind . Your team can fetch them; everyone else gets a 404.Protected Source MapsVercel Authentication.map Source maps are how you debug minified production code. They give you readable stack traces and your original source code, with the real filenames and line numbers intact.
New projects have Protected Source Maps enabled by default. Existing projects can opt in from Settings → Deployment Protection, with no redeploy needed. Learn more in the .documentation Read more
§ sources1 publication · timeline below