# Astro astro@5.16.15 — Release & Upgrade Intelligence
- **Product:** Astro (https://astro.build)
- **Version:** astro@5.16.15
- **Released:** Jan 23, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/astro/updates/astro-5.16.15/

## Executive Summary (TL;DR)
Astro astro@5.16.15. Source highlight: Fixes a case where font providers provided as class instances may not work when using the experimental Fonts API. It affected the local provider

## Bug Fixes
- Fixes a case where font providers provided as class instances may not work when using the experimental Fonts API. It affected the local provider

## Upgrade Command
```bash
npm install --save-exact astro@5.16.15
```