Next.js 16 is a major release with breaking changes
- Announced
- 21 Oct 2025
- Effective
- no date announced
- Version
- 16.0.0
- Source
- the vendor’s own page · last checked 7 Sept 2026
What breaks
Nothing until you bump the major. On the day you do, expect build-time failures rather than runtime ones — the codemod handles most of them.
What to do
Follow the Next.js 16 upgrade guide; the codemod covers most call sites.
What the vendor said
Next.js 16 was announced on 21 October 2025 and published to npm the next day. Projects below 16 stay on Next 15 or earlier and face breaking changes on upgrade, including async params, new next/image defaults and a Node.js 20.9 minimum.
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