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diazMelgarejo
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nextjs-turbopack

Guides Next.js 16+ development with Turbopack bundling, caching, and webpack fallback decisions.

Updated Mar 22, 2026
Search Tags:#dev server#bundle analysis#nextjs#webpack#bundler#turbopack#hmr
One-click install
npx skills add https://github.com/diazMelgarejo/orama-system --skill nextjs-turbopack-diazmelgarejo
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nextjs-turbopack
Source: https://github.com/diazMelgarejo/orama-system/tree/main/.cursor/.agents/skills/nextjs-turbopack
Command: npx skills add https://github.com/diazMelgarejo/orama-system --skill nextjs-turbopack-diazmelgarejo

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Developers working with Next.js 16+ often face slow dev startup, confusing bundler choices between Turbopack and webpack, and uncertainty about production build behavior. This Skill provides clear guidance on when to use Turbopack versus webpack and how to diagnose bundling performance issues. ## Core Features & Use Cases - Bundler Selection Guidance: Explains when to use Turbopack (default dev bundler) versus webpack (legacy fallback via --webpack flag). - Performance Diagnostics: Covers file-system caching behavior, cold start improvements, and HMR speed for large applications. - Bundle Analysis: Describes the experimental Bundle Analyzer in Next.js 16.1+ for inspecting output and trimming heavy dependencies. - Use Case: A developer notices slow dev server restarts on a large Next.js app. This Skill helps confirm Turbopack is active, verify the .next cache is intact, and decide whether a webpack fallback is needed for a legacy plugin. ## Quick Start Ask the assistant to help you decide between Turbopack and webpack for your Next.js 16 project or to diagnose slow dev startup.

Frequently Asked Questions about nextjs-turbopack

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I enable Turbopack in Next.js 16?▼

Turbopack is enabled by default in Next.js 16 when running next dev, so no configuration is needed. It uses file-system caching under .next to make restarts significantly faster on large projects.

Turbopack vs webpack for Next.js development?▼

Use Turbopack for day-to-day development since it offers faster cold starts and HMR. Switch to webpack only if you hit a Turbopack bug or depend on a webpack-only plugin, using the --webpack flag.

Does Next.js 16 use Turbopack for production builds?▼

Production build behavior with next build varies by Next.js version and may use Turbopack or webpack. Check the official Next.js documentation for your specific release to confirm which bundler runs.

Why is my Next.js dev server still slow with Turbopack?▼

Slow dev performance usually means the .next cache is being cleared unnecessarily or you are not actually running Turbopack. Verify Turbopack is active and avoid deleting the cache directory between restarts.

How do I analyze bundle size in Next.js 16.1?▼

Next.js 16.1+ includes an experimental Bundle Analyzer to inspect output and find heavy dependencies. Enable it via config or an experimental flag as described in the Next.js docs for your version.

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