# Astro astro@5.16.16 — Release & Upgrade Intelligence
- **Product:** Astro (https://astro.build)
- **Version:** astro@5.16.16
- **Released:** Jan 28, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/astro/updates/astro-5.16.16/

## Executive Summary (TL;DR)
Astro astro@5.16.16. Source highlight: Ensures server island requests carry an encrypted component export identifier so they do not accidentally resolve to the wrong component.

## Bug Fixes
- Ensures server island requests carry an encrypted component export identifier so they do not accidentally resolve to the wrong component.
- Fix: Remove await from getActionResult example
- Fixes an issue where certain unauthorized links could be rendered as clickable in the error overlay

## Upgrade Command
```bash
npm install --save-exact astro@5.16.16
```