# Next.js v16.1.2 — Release & Upgrade Intelligence
- **Product:** Next.js (https://nextjs.org)
- **Version:** v16.1.2
- **Released:** Jan 14, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/nextjs/updates/v16.1.2/

## Executive Summary (TL;DR)
Next.js v16.1.2. Source highlight: This release is backporting bug fixes. It does **not** include all pending features/changes on canary.

## Bug Fixes
- Fixes a crash when processing mdx files with multibyte characters. (#87713)
- Fixes a significant performance issue on musl-based Linux distributions (e.g. Alpine in Docker) related to musl's allocator.

## Upgrade Command
```bash
npm install --save-exact next@16.1.2
```