Comparison: Tailwind CSS 4.0 vs. UnoCSS 0.58 vs. WindiCSS 3.5 for Rapid UI Development Utility-first CSS frameworks have revolutionized rapid UI development by enabling developers to style components directly in markup, eliminating the need for custom CSS files for most use cases. This article compares three leading utility-first solutions: Tailwind CSS 4.0 (the latest major release of the industry-standard framework), UnoCSS 0.58 (a high-performance atomic CSS engine), and WindiCSS 3.5 (a Tailwind-compatible alternative with extended features). Core Philosophy & Compatibility Tailwind CSS 4.0 builds on the framework’s established utility-first philosophy, with a focus on modern CSS standards and reduced legacy overhead. It maintains full backward compatibility with Tailwind v3 classes while introducing native support for newer CSS features like container queries and CSS custom properties for theming. UnoCSS 0.58 takes a more flexible, engine-agnostic approach.…