# Next.js v16.5.0-canary.42 — Release & Upgrade Intelligence
- **Product:** Next.js (https://nextjs.org)
- **Version:** v16.5.0-canary.42
- **Released:** Nov 05, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/nextjs/updates/v16.5.0-canary.42/

## Executive Summary (TL;DR)
Next.js v16.5.0-canary.42. Source highlight: Persist Request Insights session history: #97795

## New Features
- Add a server-router regression gate: pnpm test-routing: #100812

## Improvements
- Improve Request Insights request and fetch details: #96925

## Bug Fixes
- [turbopack] Fix GC/eviction race by dropping task resurrection: #100370
