# Tailwind CSS v1.8.13 — Release & Upgrade Intelligence
- **Product:** Tailwind CSS (https://tailwindcss.com)
- **Version:** v1.8.13
- **Released:** Oct 10, 2020
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/tailwind/updates/v1.8.13/

## Executive Summary (TL;DR)
Tailwind CSS v1.8.13. Source highlight: Support defining colors as closures even when opacity variables are not supported (#2536)

## Bug Fixes
- Support defining colors as closures even when opacity variables are not supported (#2536)

## Upgrade Command
```bash
npm install --save-exact tailwindcss@1.8.13
```