# Astro astro@5.12.5 — Release & Upgrade Intelligence
- **Product:** Astro (https://astro.build)
- **Version:** astro@5.12.5
- **Released:** Jul 29, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/astro/updates/astro-5.12.5/

## Executive Summary (TL;DR)
Astro astro@5.12.5. Source highlight: Fixes a bug in i18n implementation, where Astro didn't emit the correct pages when `fallback` is enabled, and a locale uses a catch-all route, e.g. `src/pages/es/[...catchAll].astro`

## Bug Fixes
- Fixes a bug in i18n implementation, where Astro didn't emit the correct pages when `fallback` is enabled, and a locale uses a catch-all route, e.g. `src/pages/es/[...catchAll].astro`
- Fixes a bug that caused an error "serverEntrypointModule[_start] is not a function" in some adapters

## Upgrade Command
```bash
npm install --save-exact astro@5.12.5
```