# Next.js v15.5.11 — Release & Upgrade Intelligence
- **Product:** Next.js (https://nextjs.org)
- **Version:** v15.5.11
- **Released:** Jan 28, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/nextjs/updates/v15.5.11/

## Executive Summary (TL;DR)
Next.js v15.5.11. Source highlight: This release is backporting bug fixes. It does **not** include all pending features/changes on canary.

## New Features
- feat: implement LRU cache with invocation ID scoping for minimal mode response cache (#89129)

## Bug Fixes
- Tracing: Fix memory leak in span map (#85529)
- fix: ensure LRU cache items have minimum size of 1 to prevent unbounded growth (#89134)
- Turbopack: fix NFT tracing of sharp 0.34 (#82340)
- NFT tracing fixes (#84155 and #85323)

## Upgrade Command
```bash
npm install --save-exact next@15.5.11
```