# Astro astro@5.16.12 — Release & Upgrade Intelligence
- **Product:** Astro (https://astro.build)
- **Version:** astro@5.16.12
- **Released:** Jan 21, 2026
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/astro/updates/astro-5.16.12/

## Executive Summary (TL;DR)
Astro astro@5.16.12. Source highlight: Allows experimental Font providers to specify family options

## Breaking Changes & Deprecations
- -   [#15175](https://github.com/withastro/astro/pull/15175) [`47ae148`](https://github.com/withastro/astro/commit/47ae1480eecd5da7080f1e659b6aef211aaf3300) Thanks [@florian-lefebvre](https://github.com/florian-lefebvre)! - **BREAKING CHANGE to the experimental Fonts API only**
- -   [#15200](https://github.com/withastro/astro/pull/15200) [`c0595b3`](https://github.com/withastro/astro/commit/c0595b3e71a3811921ddc24e6ed7538c0df53a96) Thanks [@florian-lefebvre](https://github.com/florian-lefebvre)! - **BREAKING CHANGE to the experimental Fonts API only**

## Bug Fixes
- Allows experimental Font providers to specify family options
- resolveFont: ({ familyName, ...rest }) => {
- **BREAKING CHANGE to the experimental Fonts API only**
- provider: fontProviders.google({
- Inter: { opsz: ['14..32'] }
- **BREAKING CHANGE to the experimental Fonts API only**

## Upgrade Command
```bash
npm install --save-exact astro@5.16.12
```