# Astro astro@5.15.0 — Release & Upgrade Intelligence
- **Product:** Astro (https://astro.build)
- **Version:** astro@5.15.0
- **Released:** Oct 23, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/astro/updates/astro-5.15.0/

## Executive Summary (TL;DR)
Astro astro@5.15.0. Source highlight: Adds two new adapter configuration options `assetQueryParams` and `internalFetchHeaders` to the Adapter API.

## New Features
- Adds two new adapter configuration options `assetQueryParams` and `internalFetchHeaders` to the Adapter API.
- Adds a new Copy to Clipboard button to the error overlay stack trace.
- Updates `astro add cloudflare` to scaffold more configuration files

## Bug Fixes
- Adds TypeScript support for the `components` prop on MDX `Content` component when using `await render()`. Developers now get proper IntelliSense and type checking when passing custom components to override default MDX element rendering.
- Reduces terminal text styling dependency size by switching from `kleur` to `picocolors`
- Adds the option to specify in the `preload` directive which weights, styles, or subsets to preload for a given font family when using the experimental Fonts API:

## Upgrade Command
```bash
npm install --save-exact astro@5.15.0
```
