Tag · 3 posts
React 19.3 makes View Transitions and Fragment refs stable, adds the browser() API for client-only components, supports Trusted Types and lets Server Components render Context. What each feature does, simple examples and when to use them.
Next.js 16.4 recommends Cache Components for every app, adds `next upgrade --agent`, new navigation and prefetch controls, ensureStatic checks, a smaller Turbopack cache and React 19.3. What each feature does and which ones to adopt now.
Next.js 15 stopped receiving security fixes on October 21, 2026. What end of support means, the Next.js 16 breaking changes that actually bite, a step-by-step upgrade with the official codemod, and a checklist to ship it without surprises.
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