# Tailwind CSS v4.2.4 — Release & Upgrade Intelligence
- **Product:** Tailwind CSS (https://tailwindcss.com)
- **Version:** v4.2.4
- **Released:** Apr 21, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/tailwind/updates/v4.2.4/

## Executive Summary (TL;DR)
Tailwind CSS v4.2.4. Source highlight: Ensure imports in `@import` and `@plugin` still resolve correctly when using Vite aliases in `@tailwindcss/vite` (#19947)

## Bug Fixes
- Ensure imports in `@import` and `@plugin` still resolve correctly when using Vite aliases in `@tailwindcss/vite` (#19947)

## Upgrade Command
```bash
npm install --save-exact tailwindcss@4.2.4
```