Next.js 16 Migration Skill

Migrate from Next.js 15 to Next.js 16 and handle breaking changes in this portfolio.

When to use this skill

• Upgrading Next.js version
• Fixing Next.js 16 breaking changes
• Migrating from Pages Router to App Router
• Handling React 19 changes

Current versions

• Next.js: 16.2.9
• React: 19.2.3
• React DOM: 19.2.3
• @opennextjs/cloudflare: 1.19.11

Breaking changes in Next.js 16