# Articles tagged "React"

Alex Cloudstar, senior full-stack developer (https://alexcloudstar.com/)

11 articles. React guides by a senior full-stack developer: React 19, the React Compiler, Next.js, Zustand and framework comparisons, with lessons from shipping apps.

- [Next.js 16: Instant Navigations and Cache Components in 16.3](https://alexcloudstar.com/blog/nextjs-16-3-instant-navigations-cache-components/): Server Components made Next.js apps fast to render and slow to click through. Next.js 16.3 fixes that with Instant Navigations, Partial Prefetching, and a client-side cache built on the use cache directive. Here is what actually changed, what it costs you to adopt, and whether you should turn the flags on today.
- [Svelte 5 vs React in 2026: An Honest Comparison After Shipping Both](https://alexcloudstar.com/blog/svelte-5-vs-react-2026/): Svelte 5 introduced runes and turned the reactivity question into a real debate again. I built production apps with both Svelte 5 and React 19 this year. Here is the honest comparison: bundle size, the runes vs signals model, the TypeScript friction nobody mentions, hiring, and when each one is actually the right call.
- [React Compiler: Say Goodbye to useMemo and useCallback](https://alexcloudstar.com/blog/the-react-compiler-is-here-say-goodbye-to-usememo-and-usecallback/): React Compiler hit v1.0 in late 2025 and it changes how we think about React performance. No more manually wrapping functions in useCallback or values in useMemo. The compiler handles it. Here is what actually changed and how to start using it today.
- [Vinext: Cloudflare's AI-Built Next.js Replacement Explained](https://alexcloudstar.com/blog/cloudflare-vinext-the-ai-built-nextjs-replacement-that-changes-everything/): Cloudflare built a drop-in Next.js replacement called vinext in under a week, using AI to write nearly every line of code. It builds 4.4x faster, ships 57% smaller bundles, and deploys to Cloudflare Workers with one command. But the most important story here is not the framework itself.
- [Lynx vs React Native vs Flutter: TikTok’s Framework Compared](https://alexcloudstar.com/blog/lynx-vs-react-native-vs-flutter-tiktoks-new-framework-in-perspective/): Lynx vs React Native vs Flutter: how ByteDance’s Lynx, with its dual-thread engine and web-style CSS, compares with React Native and Flutter on architecture, performance, tooling and ecosystem.
- [Next.js 15: What's New, Breaking Changes and Upgrade Notes](https://alexcloudstar.com/blog/whats-new-in-nextjs-15-a-comprehensive-overview/): Next.js 15 shipped in October 2024 with async request APIs, new caching defaults, React 19 support and stable Turbopack for development. This overview covers what changed, which changes were breaking, and where Next.js 16 picked things up.
- [React 19: New Features, Improvements and Best Practices](https://alexcloudstar.com/blog/a-deep-dive-into-react-19-new-features-improvements-and-best-practices/): React 19, released in December 2024, made async work a first-class part of React with Actions, new hooks, ref as a prop and built-in document metadata. This guide covers what is new in React 19, working code for each feature, and what the 19.2 and 19.3 releases added since.
- [Is Next.js Good for Web Apps? A Technical Perspective](https://alexcloudstar.com/blog/nextjs-for-web-apps-a-technical-perspective/): Why NextJS? NextJS has gained significant popularity for its hybrid approach to web development, blending SSR (server-side rendering) and SSG (static site generation) with client-side rendering. This flexibility makes it an attractive choice for deve...
- [Zustand vs Redux: Why I Switched (and When Not To)](https://alexcloudstar.com/blog/i-tried-zustand-and-its-awesome/): A few days into rewriting the apps from my portfolio, I tried Zustand and it felt refreshing after Redux, MobX and the Context API. Here is the Zustand vs Redux Toolkit comparison with code side by side: boilerplate, performance, devtools, team scale, and when Redux still wins.
- [ChatApp V2: The Next Generation of Chatting](https://alexcloudstar.com/blog/chatapp-v2-the-next-generation-of-chatting/): ChatApp V2 is the upgraded version of KSChat, a chat application that offers a variety of features for users to enjoy. With ChatApp V2, users can easily create an account, log in and out, view their own and other users’ profiles, customize their prof...
- [What I Learned Building a Chat App With Socket.io and React](https://alexcloudstar.com/blog/what-i-learned-from-building-a-chat-project-with-socketsio-and-react/): A few days ago I’ve built a React application with socket.io. It’s a chat app. *Sidenote: The repo and youtube video will be at the down of the article. Now, when you’ll see it you may ask a few questions like, “why didn’t use any DB or firebase?” or...