Changelog

Run MCP servers on with Next.js or Node.js in your Vercel project with 1st class support for Anthropic's MCP SDK

Find out which ai crawlers or search engines are scraping your content. Act later on using Vercel Firewall if wanted

View and override feature flags in your browser with Flags Explorer – now generally available for all customers

Enhanced Builds can now be enabled on demand per project for Pro and Enterprise teams. These builds offer double the compute. Customers already using Enhanced Builds are seeing, with no action required, up to 25% reductions in build times.

Vercel session tracing is now available on all plans, providing insight into steps Vercel's infrastructure took to serve a request alongside user code spans.

Vercel discovered and patched an information disclosure vulnerability in the Flags SDK (CVE-2025-46332). Users should upgrade to flags@4.0.0.

Vercel now supports the HTTP Vary header, enabling faster delivery of personalized, cached content based on location and language. Improve site performance and reduce compute automatically with Edge Network caching.

Vercel customers can now create custom WAF rules directly from the chart displayed on the Firewall tab of the Vercel dashboard.