ESLint 9+Node.js 20

Why?

Why is ESLint 9 compatible with Node.js 20?

Requirement

Node.js ^18.18.0 || ^20.9.0 || >=21.1.0

Selected version

Node.js 20

Evaluation

20.20.2 satisfies ^18.18.0 || ^20.9.0 || >=21.1.0

Conclusion

COMPATIBLE

Evidence

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

• npm Registry

  Confidence: HIGH

  https://registry.npmjs.org/eslint/9.39.5

  Retrieved 30 August 2026

  Requirement: ^18.18.0 || ^20.9.0 || >=21.1.0

Node.js versions

Compatibility is derived from the project's declared Node.js requirement (^18.18.0 || ^20.9.0 || >=21.1.0); it does not mean every version combination has been independently tested.

• 17❌
• 18✓
• 19❌
• 20✓
• 21✓
• 22✓
• 23✓
• 24✓
• 25✓
• 26✓
• 27—

Other Node.js versions satisfying this requirement

ESLint 9 — compatible Node.js lines tracked in CompatHub

• ✓Node.js 18version lineEOL
• ✓Node.js 20version lineEOL
• ✓Node.js 21version lineEOL
• ✓Node.js 22version linesupported
• ✓Node.js 23version lineEOL
• ✓Node.js 24version linesupported
• ✓Node.js 25version lineEOL
• ✓Node.js 26version linesupported

Other ESLint versions

Only lines with relevant compatibility evidence are listed.

• ESLint 10
• ESLint 9
• ESLint 8
• ESLint 7
• ESLint 6
• ESLint 5

Lifecycle context

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

Supported alternatives

Node.js lines that satisfy this requirement and are still supported.

• Node.js 22supported
• Node.js 24supported
• Node.js 26supported