nextjs16-skills

Upgrading to Next.js 16 involves updating dependencies, reviewing breaking changes between your current version and 16, and applying codemods for API changes. This Skill provides step-by-step commands, migration paths from Next.js 14-15, and practical checks to execute in your codebase with minimal downtime.

Next.js 16 introduces changes to async APIs and shifts the default builder to Turbopack. This Skill consolidates key breaking changes, explains their impact on existing code, and outlines which migration strategies apply to your project stage—whether upgrading an established app or starting fresh.

Turbopack is the new default build engine in Next.js 16, offering performance improvements over Webpack. This Skill covers Turbopack's benefits, compatibility, and configuration during upgrade, helping you decide whether to adopt it immediately or plan a gradual transition based on your project needs.

Planning a large-scale migration requires understanding upgrade paths, identifying breaking changes, and preparing a checklist. This Skill outlines upgrade strategy, applicable codemods for code structure changes, performance considerations, and validation steps to execute safely across your codebase.

Upgrading dependencies involves running package manager commands, applying codemods for API changes, and validating your build. This Skill provides practical, ready-to-use commands specific to Next.js 16 migration, covering dependency updates and structural changes needed in your project.

Next.js 16 upgrades support both new projects and incremental migrations of existing codebases. This Skill covers scenario-specific guidance for new apps, phased migrations of large projects, and maintenance strategies, so you can choose the pace and approach that fits your team's capacity.