# Public environment variables now display a warning

**Published:** January 29, 2024 | **Authors:** John Phamous, Sam Becker

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When creating and editing Environment Variables on Vercel, you can now see hints to warn you of potentially leaking secret values to the public. This supports all frameworks that use a prefix to mark an environment variable as safe to use on the client like:

- Next.js
- Create React App
- Vue.js
- Nuxt
- Gridsome
- Gatsby
- SvelteKit
- Vite

Learn more about [Environment Variables](https://vercel.com/docs/projects/environment-variables).

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📚 **More updates:** [View all changelog entries](/changelog/sitemap.md) | [Blog](/blog/sitemap.md)