# Tailwind CSS v4.3.2 — Release & Upgrade Intelligence
- **Product:** Tailwind CSS (https://tailwindcss.com)
- **Version:** v4.3.2
- **Released:** Jun 29, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/tailwind/updates/v4.3.2/

## Executive Summary (TL;DR)
Tailwind CSS v4.3.2. Source highlight: Support bare spacing values for `auto-rows-*` and `auto-cols-*` utilities (e.g. `auto-rows-12` and `auto-cols-16`) (#20229)

## Bug Fixes
- Support bare spacing values for `auto-rows-*` and `auto-cols-*` utilities (e.g. `auto-rows-12` and `auto-cols-16`) (#20229)
- Prevent `@tailwindcss/cli` in `--watch` mode from crashing on Windows when `@source` points to a directory that doesn't exist (#20242)
- Prevent `@tailwindcss/vite` from crashing in Deno v2.8.x when `context.parentURL` is not a valid URL (#20245)
- Ensure `@tailwindcss/cli` in `--watch` mode rebuilds when the input CSS file changes in an ignored directory (#20246)
- Allow `@variant` rules used in `addBase(…)` to use custom variants defined later (#20247)
- Prevent `@tailwindcss/vite` from crashing during HMR when scanned files or directories are deleted (#20259)

## Upgrade Command
```bash
npm install --save-exact tailwindcss@4.3.2
```