React 19.3 Is Here

React 19.3

React 19.3 is out, and the biggest news is that View Transitions and Fragment Refs are now stable. It also adds browser() for browser-only components, Trusted Types support for better security, and a simpler way to render Context directly in Server Components

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📙 Articles / Tutorials / News

Having Fun with Vercel’s AI SDK and AI Gateway

Instead of building yet another chatbot, the post uses AI to generate workout plans, then shows how Zod schemas can keep the output in a strict shape so it can be saved straight into an app’s database

𝕏 Next.js 16.3 Instant Navigations in Action

Aurora Scharff rebuilt an older Vercel book search demo to show how Instant Navigations can make server-rendered pages feel fast, even on a slow connection. The rebuild improved performance, with a 44% faster First Contentful Paint and a 33% faster Largest Contentful Paint

What Browserslist Actually Does in Next.js

This article tests whether changing browserslist really changes a Next.js build. The answer: JS changes very little for modern browsers, but CSS is more precise and can differ by version

New PR: Document preloading with Cache Components

Next.js is updating docs for preloading data and reusing requests in the App Router. Helpful if you want to better understand React.cache and 'use cache: private'

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📦 Projects / Packages / Tools

Bencho

A library of interactive UI blocks you can explore, tweak, and take straight into your projects

next-safe-action

This library makes Next.js Server Actions safer with types, validation, and middleware. The new useOptimisticStateAction hook lets optimistic updates stack in the right order.

pdfcn

A React library for making PDFs with prebuilt components and blocks. Good for invoices, charts, tables, and more

cn

A new utility for joining Tailwind classes and resolving conflicts, combining what clsx and tailwind-merge do into one package. It has the same API, is a drop-in replacement, and claims to be 30× faster

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🌈 Related

Tailwind Labs is joining Shopify

Tailwind’s team is joining Shopify to give Tailwind CSS a stable long-term home. Adam Wathan says the goal is to improve Tailwind while working on real product problems at Shopify, where Tailwind is already a major part of the stack

Is Prisma 8 Ready for Long-Lived Production Apps?

Prisma 8’s lead developer responds directly to worries about the rewrite, Prisma’s business incentives, and the new migration system. His main argument is that Prisma 8 is a more modular and future-proof design than Prisma 7, with database support and other parts now handled as extensions rather than one big core

How our agents build on-brand pages with design.md

A behind-the-scenes look at how Vercel uses design.md to help agents make pages that match its brand

𝕏 TanStack and Vercel are officially teaming up

TanStack and Vercel are now working together to make Vercel a better place to deploy and run apps built with TanStack Start