# Tailwind CSS v2.1.1 — Release & Upgrade Intelligence
- **Product:** Tailwind CSS (https://tailwindcss.com)
- **Version:** v2.1.1
- **Released:** Apr 20, 2021
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/tailwind/updates/v2.1.1/

## Executive Summary (TL;DR)
Tailwind CSS v2.1.1. Source highlight: Fix issue where JIT engine would fail to compile when a source path isn't provided by the build runner for the current input file (#3978)

## Bug Fixes
- Fix issue where JIT engine would fail to compile when a source path isn't provided by the build runner for the current input file (#3978)

## Upgrade Command
```bash
npm install --save-exact tailwindcss@2.1.1
```