# Tailwind CSS v4.0.8 — Release & Upgrade Intelligence
- **Product:** Tailwind CSS (https://tailwindcss.com)
- **Version:** v4.0.8
- **Released:** Feb 21, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/tailwind/updates/v4.0.8/

## Executive Summary (TL;DR)
Tailwind CSS v4.0.8. Source highlight: Allow `@import` with `theme(…)` options for stylesheets that contain more than just `@theme` rules (#16514)

## New Features
- Allow `@import` with `theme(…)` options for stylesheets that contain more than just `@theme` rules (#16514)

## Bug Fixes
- Don't add `!important` to CSS variable declarations when using the important modifier (#16668)
- Vite: Ignore files and directories specified in your `.gitignore` file when using automatic source detection(#16631)
- Vite: Don't rely on the module graph for detecting candidates to ensure setups with multiple Vite builds work as expected (#16631)
- Vite: Ensure Astro production builds always contain classes used in client-only components (#16631)
- Vite: Always scan raw file contents for utility classes before any other transforms have been applied to ensure utility classes are scanned without any additional escaping (#16631)
- Ensure utilities with more declarations are always sorted before utilities with fewer declarations when utilities only define CSS variables (#16715)

## Upgrade Command
```bash
npm install --save-exact tailwindcss@4.0.8
```