# Next.js v15.5.14 — Release & Upgrade Intelligence
- **Product:** Next.js (https://nextjs.org)
- **Version:** v15.5.14
- **Released:** Mar 19, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/nextjs/updates/v15.5.14/

## Executive Summary (TL;DR)
Next.js v15.5.14. Source highlight: This release is backporting bug fixes. It does **not** include all pending features/changes on canary.

## New Features
- feat(next/image): add lru disk cache and images.maximumDiskCacheSize (#91660)

## Bug Fixes
- Fix(pages-router): restore Content-Length and ETag for /_next/data/ JSON responses (#90304)

## Upgrade Command
```bash
npm install --save-exact next@15.5.14
```