FrontendJuly 28, 2026

React 19 & Forget Compiler: How Frontend Engineering Changes in 2026

Deep dive into automatic memoization, Server Components, and the new ref-less form handling approach.

Alex Gromov

Staff Engineer

React 19 brought fundamental changes to the web engineering ecosystem. The main innovation is the automatic compiler, liberating developers from manual useMemo and useCallback invocation...

Practical Lesson Snippet:

// Example Code snippet from Aitis article
async function performOptimization<T>(data: T[]): Promise<T[]> {
  console.log("Compiling with React 19 Compiler...");
  return data.filter(Boolean);
}

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