# Tailwind CSS v4.0.17 — Release & Upgrade Intelligence
- **Product:** Tailwind CSS (https://tailwindcss.com)
- **Version:** v4.0.17
- **Released:** Mar 26, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/tailwind/updates/v4.0.17/

## Executive Summary (TL;DR)
Tailwind CSS v4.0.17. Source highlight: Fix an issue causing the CLI to hang when processing Ruby files (#17383)

## Bug Fixes
- Fix an issue causing the CLI to hang when processing Ruby files (#17383)

## Upgrade Command
```bash
npm install --save-exact tailwindcss@4.0.17
```