The original title is: "Tailwind CSS v4: Architecture, Features, and Performance Upgrades Deep Dive"

Short summary

A detailed deep dive into Tailwind CSS v4's architectural shift from a PostCSS plugin to a standalone Rust-powered compilation engine. Covers native faster compilation, simplified toolchain without PostCSS dependency, ESM-based configuration with TypeScript support, and the elimination of explicit @tailwind directives. The article provides code examples and diagrams illustrating the new direct compilation model.

• •Tailwind CSS v4 moves from PostCSS plugin to a standalone Rust-based engine for faster compilation
• •Configuration shifts to ESM with TypeScript support; @tailwind directives are no longer needed
• •Direct template scanning model replaces intermediate PostCSS processing for leaner builds

Generated with AI, which can make mistakes.