Tailwind v4 — What Changed and What Improved
Native CSS, zero config, and goodbye to the giant tailwind.config.js.
· Blog
Tailwind v4 is a major rewrite. The engine now works as a native CSS plugin — no more mandatory PostCSS, no more 200-line JavaScript config.
The best part: automatic class detection works out of the box. The worst: migrating customizations from the old config. But once done, the result is cleaner.