Making Next.js Navigations Feel Instant Without Going Full SPA — A preview of Next.js 16.3 is available that tackles a common gripe about Server Components: sluggish navigation. New opt-in behaviors keep the server-side benefits, while making navigations feel like an SPA. They’ve also created 🤖 an agent skill to help existing projects adopt the new features.

Clark, Story and the Next.js Team

Still Writing Tests Manually? Meticulous AI Is Here — Notion, Dropbox, Wiz and LaunchDarkly now use a testing paradigm they can’t work without. Built by former Palantir engineers, Meticulous automatically creates an evolving suite of E2E UI tests, delivering exhaustive coverage with no developer effort.

Meticulous sponsor

Moving Linear from styled‑components to StyleX — Linear migrated its React apps away from a runtime CSS-in-JS approach for ~30% faster renders when navigating between pages. An agent-built codemod (of some 100k lines!) did the grunt work, but Kenneth is honest about what still needed a human touch.

Kenneth Skovhus

Writing Custom Renderers for React — When React 19 deprecated React Test Renderer, the React Native Testing Library maintainer built his own. The upside? We get a tour of the reconciler internals he had to wrangle along the way.

Maciej Jastrzębski (Callstack)

You Write React. You Can Ship It to the App Store This Week — One React codebase, real apps on iOS and Android. Expo handles the builds, the store, and updates. Start free.

Expo sponsor

Takumi 2.0 Beta: Render React Components to Images — A Rust-powered engine that renders JSX to images without a headless browser. v2.0 adds SVG output support, on-demand Google Fonts use, improved non-Latin character support, and new docs. There’s a v2 upgrade guide for existing users. (TanStack uses this on their site.)

Kane Wang et al.

ForesightJS 4: Predictive User Intent for Web Pages — Predicts user intent from mouse and keyboard cues to prefetch content for a snappier UX. v4.0 adds a React package with a declarative <Foresight> component.

ForesightJS, Inc.

cnfast: A Faster Drop-In Replacement for cn() — shadcn/ui ships a cn() helper to compose and merge Tailwind class names. cnfast is a faster, drop-in replacement.

Aiden Bai

🤖 Eve: Like Next.js, But for Building Agents — A new framework from Vercel that provides Next.js-esque structure for building AI-powered agents using TypeScript and Markdown.

Vercel