# Next.js v15.5.1 — Release & Upgrade Intelligence
- **Product:** Next.js (https://nextjs.org)
- **Version:** v15.5.1
- **Released:** Aug 26, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/nextjs/updates/v15.5.1/

## Executive Summary (TL;DR)
Next.js v15.5.1. Source highlight: This release is backporting bug fixes. It does **not** include all pending features/changes on canary.

## New Features
- feat: add typesafety with config.typedRoutes to redirect() and permanentRedirect() (#82860)

## Bug Fixes
- fix: aliased navigations should apply scroll handling (#82900)
- Turbopack: fix invalid NFT entry with file behind symlink (#82887)
- fix: typesafe linking to route handlers and pages API routes (#82858)
- fix: change "noUnknownAtRules" to "warn" for Biome (#82974)
- fix: add path normalization to getRelativePath for Windows (#82918)
- fix: avoid importing types that will be unused (#82856)

## Upgrade Command
```bash
npm install --save-exact next@15.5.1
```