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Support for now.json will be removed on March 31, 2026
Vercel removes support for the legacy now.json configuration file on March 31, 2026, requiring users to rename existing files to vercel.json with no other changes needed.
Support for the legacy config file will be officially removed on . Migrate existing files by renaming them to no other content changes are required.now.jsonnow.jsonvercel.json,March 31st, 2026 For more advanced use cases, try for programmatic project configuration.vercel.ts Learn more about configuring projects with in the .vercel.jsondocumentation Read more
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