Engineering Insights

Today @ WWDC25: Day 5

The European Commission has required Apple to make a series of additional changes under the Digital Markets Act: Communication and promotion of offers Today, we’re introducing updated terms that let developers with apps in the European Union storefronts of the App Store communicate and promote offers for purchase of digital goods or services available at a destination of their choice. The destination can be a website, alternative app marketplace, or another app, and can be accessed outside the

React Native 0.80 - React 19.1, JS API Changes, Freezing Legacy Arch and much more

Today we are excited to release React Native 0.80!

Moving Towards a Stable JavaScript API (New Changes in 0.80)

In React Native 0.80, we're introducing two significant changes to React Native's JavaScript API — the deprecation of deep imports, and our new Strict TypeScript API. These are part of an ongoing effort to accurately define our API and offer dependable type safety to users and frameworks.

Today @ WWDC25: Day 4

The European Commission has required Apple to make a series of additional changes under the Digital Markets Act: Communication and promotion of offers Today, we’re introducing updated terms that let developers with apps in the European Union storefronts of the App Store communicate and promote offers for purchase of digital goods or services available at a destination of their choice. The destination can be a website, alternative app marketplace, or another app, and can be accessed outside the

Building efficient MCP servers

The standardizes how to build integrations for AI models. We built the to help developers create their own MCP servers using popular frameworks such as Next.js, Nuxt, and SvelteKit. Production apps like , , , and use the MCP adapter to deploy their own MCP servers on Vercel, and they've seen substantial growth in the past month. Model Context Protocol (MCP) MCP adapterZapierComposioVapiSolana MCP has been adopted by popular clients like Cursor, Claude, and Windsurf. These now support connectin

Improved team overview page

We've improved the team overview in the Vercel dashboard: To learn more about the Vercel dashboard, visit the . documentation Read more Activity is now sorted by your activity only Projects can be filtered by git repository Usage for the team is now shown as a card on the overview directly

Improved unhandled Node.js errors in Fluid compute

Fluid compute now gracefully handles and in Node.js by logging the error, allowing inflight requests to complete, and then exiting the process.uncaught exceptionsunhandled rejections This prevents running on same fluid instance from being inadvertently terminated in case of unhandled errors, providing the isolation of traditional serverless invocations.concurrent requests for your existing projects, and learn more in our and .Enable Fluidblogdocumentation Read more

How Long Prompts Block Other Requests - Optimizing LLM Performance