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Next.js 16+ · Type Alias

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Upgrade a Next.js application from version 15 to 16 with the recommended coding-agent CLI or with an ordered manual process. The manual path uses agent docs, a codemod or manual package installation, and then the breaking-change checks.

Last updated

Since
16

Syntax

npx next@canary upgrade --agent=latest

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • Upgrade with a coding agent
  • upgrade codemod
  • AGENTS.md
  • node_modules/next/dist/docs/

Source: How to upgrade to version 16. Checked 2026-11-03.