# Astro astro@6.1.2 — Release & Upgrade Intelligence
- **Product:** Astro (https://astro.build)
- **Version:** astro@6.1.2
- **Released:** Mar 30, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/astro/updates/astro-6.1.2/

## Executive Summary (TL;DR)
Astro astro@6.1.2. Source highlight: Fixes `astro preview` ignoring `vite.preview.allowedHosts` set in `astro.config.mjs`

## Bug Fixes
- Fixes `astro preview` ignoring `vite.preview.allowedHosts` set in `astro.config.mjs`
- Fixes catch-all routes incorrectly intercepting requests for static assets when using the `@astrojs/node` adapter in middleware mode.
- Fix Zod v4 validation error formatting to show human-readable messages instead of raw JSON

## Upgrade Command
```bash
npm install --save-exact astro@6.1.2
```