# Next.js v15.1.8 — Release & Upgrade Intelligence
- **Product:** Next.js (https://nextjs.org)
- **Version:** v15.1.8
- **Released:** May 22, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/nextjs/updates/v15.1.8/

## Executive Summary (TL;DR)
Next.js v15.1.8. Source highlight: This release is backporting bug fixes. It does **not** include all pending features/changes on canary.

## Bug Fixes
- fix: Merge link header from middleware with the ones from React (#73431)
- fix(edge): run after() if request is cancelled mid-streaming (#76013)

## Upgrade Command
```bash
npm install --save-exact next@15.1.8
```