Next.js 15+React 19

Why?

Why is Next.js 15 compatible with React 19?

Requirement

React ^18.2.0 || 19.0.0-rc-de68d2f4-20241204 || ^19.0.0

Selected version

React 19

Evaluation

19.2.8 satisfies ^18.2.0 || 19.0.0-rc-de68d2f4-20241204 || ^19.0.0

Conclusion

COMPATIBLE

Evidence

CompatHub reports compatibility from upstream sources rather than making unsupported claims of its own.

• Next.js npm releases

  Confidence: HIGH

  https://registry.npmjs.org/next/15.5.25

  Retrieved 2 September 2026

  Requirement: ^18.2.0 || 19.0.0-rc-de68d2f4-20241204 || ^19.0.0

React versions

Compatibility is derived from the project's declared React requirement (^18.2.0 || 19.0.0-rc-de68d2f4-20241204 || ^19.0.0); it does not mean every version combination has been independently tested.

• 17❌
• 18✓
• 19✓

Other React versions satisfying this requirement

Next.js 15 — compatible React lines tracked in CompatHub

• ✓React 18version line
• ✓React 19version line

Other Next.js versions

Only lines with relevant compatibility evidence are listed.

• Next.js 16
• Next.js 15
• Next.js 14
• Next.js 13
• Next.js 12
• Next.js 11
• Next.js 10
• Next.js 9
• Next.js 8
• Next.js 7
• Next.js 6
• Next.js 5
• Next.js 4
• Next.js 3
• Next.js 2

Lifecycle context

Lifecycle status is separate from compatibility. An EOL component can still satisfy a documented version requirement.