Compatibility result

Express 3+Node.js 27

UNKNOWN

Compatibility unknown. CompatHub does not currently have authoritative compatibility information for this combination. This does not mean the versions are incompatible.

See Express and Node.js in the software catalogue, or return to the Compatibility Explorer.

Why?

Why is compatibility between Express 3 and Node.js 27 unknown?

Requirement: Node.js >= 0.8.0
Selected version: Node.js 27
Evaluation: Compatibility was not evaluated because the requirement could not be parsed safely.
Conclusion: UNKNOWN

Evidence

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

npm Registry
Confidence: HIGH
https://registry.npmjs.org/express/3.21.2
Retrieved 30 August 2026
Requirement: >= 0.8.0

Node.js versions

Compatibility is derived from the project's declared Node.js requirement (>= 0.8.0); it does not mean every version combination has been independently tested.

4✓
5✓
6✓
7✓
8✓
9✓
10✓
11✓
12✓
13✓
14✓
15✓
16✓
17✓
18✓
19✓
20✓
21✓
22✓
23✓
24✓
25✓
26✓
27—

Other Node.js versions satisfying this requirement

Express 3 — compatible Node.js lines tracked in CompatHub

Other Express versions

Only lines with relevant compatibility evidence are listed.

Lifecycle context

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

Node.js 27

Status: STANDARD SUPPORT
EOL: 30 April 2030