Next.js + Tailwind CSS v4 Ultimate Guide: Everything You Need to Know (2025) | Shadcn & Uploadthing

Tailwind CSS v4 is here, and it brings massive changes to how we work with Next.js! In this comprehensive 2-hour tutorial, I break down everything you need to know about the latest version of Tailwind and how it integrates with Next.js. 🔥 What you'll learn: How Next.js now comes built-in with Tailwind v4 Comparing v3 vs v4 starter templates All major breaking changes in Tailwind v4 explained Using Shadcn with the Canary CLI Configuring Shadcn components for Tailwind v4 Setting up and configuring essential plugins Package integration (UploadThing, Tailwind Select, etc.) ⏱️ Timestamps: 00:00 - Introduction 05:30 - Next.js & Tailwind v4 Integration 18:45 - Starter Templates Comparison 35:20 - Breaking Changes Overview 52:10 - Shadcn Canary CLI Setup 01:10:25 - Configuring Shadcn Components 01:28:50 - Plugin Configuration Guide 01:42:15 - Package Configuration Walkthrough 01:58:30 - Final Thoughts 💻 Code & Resources: Tailwind v4 + Next.js 15 Starter: https://github.com/MUKE-coder/tailwin... Tailwind v3 + Next.js 15 Starter: https://github.com/MUKE-coder/tailwin... Full Guide Repository: https://github.com/MUKE-coder/tailwin... If you're building modern web applications with Next.js, this guide will save you hours of troubleshooting and help you leverage all the new features in Tailwind v4. Perfect for frontend developers of all experience levels. #TailwindCSS #NextJS #WebDevelopment