# Next.js v15.2.1 — Release & Upgrade Intelligence
- **Product:** Next.js (https://nextjs.org)
- **Version:** v15.2.1
- **Released:** Mar 03, 2025
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/nextjs/updates/v15.2.1/

## Executive Summary (TL;DR)
Next.js v15.2.1. Source highlight: Unify Link and Form prefetching: #76184

## New Features
- 15.2: Add version history for `devIndicators` and note on deprecated options: #76611
- Turbopack: add test test for css order: #76675
- feat(CI): Revalidate vercel data cache on areweturboyet after uploading data to KV store: #76693
- chore(github): move top prs and feature requests to different Slack channel: #76764

## Improvements
- report compiler duration for webpack and improve numbers: #76665
- [Dev Tools] Improve keyboard interactions for menu & overlays: #76754
- Turbopack: Improve edge tests: #76607

## Bug Fixes
- fix: Add popular embedding libraries to serverExternalPackages: #76574
- [dev-overlay] fix dark theme missing close bracket: #76672
- [dev-overlay] fix: env name label style was out of sync with error type label: #76668
- [metadata] fix duplicate metadata for parallel routes: #76669
- [Segment Cache] Fix: canonicalURL omits origin: #76444
- fix metadata basePath for manifest: #76681

## Upgrade Command
```bash
npm install --save-exact next@15.2.1
```