Frameworks, build tooling and the browser platform.
The byte-level sequence of Streaming SSR with React Suspense: fallback shells, deferred chunks, hydration timing, and when the browser starts painting.
A practical breakdown of when to use server components and when to fall back to client islands in Next.js App Router, with concrete trade-offs and failure modes.
Tailwind v4 moves theme configuration out of JavaScript and into CSS. Here is how @theme, @utility and @plugin replace tailwind.config.js in a real project.
