migrating-from-v3

Installation
SKILL.md

Migrating from v3 to v4

Purpose

Migrate existing Tailwind CSS v3 projects to v4's CSS-first configuration, updated utilities, and modern color system.

Automated Migration Tool

Tailwind provides an automated upgrade tool:

npx @tailwindcss/upgrade@next

Requirements:

  • Node.js 20 or higher
  • Run in a new git branch
  • Review all changes manually
  • Test thoroughly
Related skills
Installs
6
First Seen
Feb 4, 2026