# Biome @biomejs/biome@2.5.10 — Release & Upgrade Intelligence
- **Product:** Biome (https://biomejs.dev)
- **Version:** @biomejs/biome@2.5.10
- **Released:** Aug 21, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/biome/updates/biomejs-biome-2.5.10/

## Executive Summary (TL;DR)
Biome @biomejs/biome@2.5.10. Source highlight: Fixed Astro rejecting JavaScript comments between attributes.

## New Features
- feat(md): frontmatter parsing support
- chore: add CodSpeed and Cloudflare to sponsors
- feat(js_plugin): runtime AST bindings for JS plugins
- feat(js_plugin): query AST nodes by their kind
- chore(wasm): enable JS plugins via `unstable` feature
- feat(js_transform): erase type annotations in TypeScript code

## Improvements
- perf(lint/js): optimize some rule queries and unit test call shared logic

## Bug Fixes
- Fixed Astro rejecting JavaScript comments between attributes.
- Fixed a bare `<` in Astro text being treated as the start of a tag, such as `
- Fixed #8294: an Astro expression holding only a comment is no longer reported as a parse error, which also stopped the whole file from being formatted.
- Fixed #9165: an empty Astro expression such as `
- Fixed Astro expressions containing a comment failing to parse.
- Added support for Astro's fragment shorthand.

## Upgrade Command
```bash
npm install --save-dev --save-exact @biomejs/biome@2.5.10
```