Node.js Tech Stack

Sep 3, 2026 · Frontend Development

shadcn's New `cn` Package: 30x Faster Drop-in Replacement for clsx + tailwind-merge

shadcn's new `cn` utility merges clsx and tailwind-merge into a single package, achieving up to 30x faster performance via compile-time optimization and multi-layer caching, with a 1.9 KB bundle size increase and a migration CLI for Tailwind CSS v4 projects.