# Astro astro@6.3.4 — Release & Upgrade Intelligence
- **Product:** Astro (https://astro.build)
- **Version:** astro@6.3.4
- **Released:** May 18, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/astro/updates/astro-6.3.4/

## Executive Summary (TL;DR)
Astro astro@6.3.4. Source highlight: Adds `fetchFile` option to `experimental.advancedRouting` to customize or disable the entrypoint file

## Bug Fixes
- Adds `fetchFile` option to `experimental.advancedRouting` to customize or disable the entrypoint file
- Fixes Hono `cache()` middleware to follow the standard wrapper pattern
- Adds `App.Providers` interface for typing custom context providers on `Astro` and `ctx`
- Adds `FetchState.response` property, set automatically after `pages()` or `middleware()` completes
- Adds `Fetchable` type export for typing the advanced routing entrypoint
- Suppresses `[WARN] Vite warning: unused imports from "@astrojs/internal-helpers/remote"` during prerender builds. The package is now bundled alongside `astro` in the prerender environment, matching how it is handled in the SSR environment.

## Upgrade Command
```bash
npm install --save-exact astro@6.3.4
```