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npm · npm:underscore

underscore active

JavaScript's functional programming helper library.

The latest stable version of underscore is 1.13.8, published on 2026-02-19. Verified by Vigia on 2026-11-12.

Latest stable version1.13.8
Published2026-02-19 11:42:14 UTC
Installnpm install underscore@latest
Requires (engines)none declared
Peer dependencies—
Dist-tagslatest: 1.13.8 stable: 1.13.8
LicenseMIT
Advisories on latest versionnone known
Last verified2026-11-12 12:54:04 UTC
Sourcesapi.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activityslowing down
Last stable release2026-02-19 11:42:14 UTC · 266 days ago
Stable releases in the last 12 months1
Published versions55

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

VersionPublished
1.13.82026-02-19 11:42:14 UTC
1.13.72024-07-24 20:39:20 UTC
1.13.62022-09-23 22:21:19 UTC
1.13.5 withdrawn2022-09-23 19:16:35 UTC
1.13.42022-06-02 12:36:34 UTC
1.13.32022-04-23 18:56:40 UTC
1.13.22021-12-16 10:17:35 UTC
1.13.12021-04-15 13:17:20 UTC
1.13.02021-04-09 18:56:05 UTC
1.12.12021-03-15 09:40:37 UTC
1.12.02020-11-24 01:01:38 UTC
1.11.02020-08-28 19:59:41 UTC
1.10.22020-03-30 21:28:31 UTC
1.10.12020-03-30 18:18:47 UTC
1.10.02020-03-30 17:30:15 UTC
1.9.22020-01-06 21:27:53 UTC
1.9.12018-05-31 21:11:34 UTC
1.9.02018-04-18 18:40:09 UTC
1.8.32015-04-02 15:32:54 UTC
1.8.22015-02-22 14:14:32 UTC

Showing the 20 most recent of 51 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

RuntimeNewest compatible version
node 161.13.8
node 181.13.8
node 201.13.8
node 221.13.8
node 241.13.8

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Frequently asked questions

What is the latest version of underscore?

The latest stable version of underscore is 1.13.8, published on 2026-02-19. Verified by Vigia on 2026-11-12.

How do I install the latest version of underscore?

Run npm install underscore@latest. The latest stable version is 1.13.8 (verified 2026-11-12).

Is underscore deprecated?

No. underscore is not marked as deprecated in the registry.

Which Node.js version does underscore require?

underscore 1.13.8 does not declare a Node.js version requirement.

Does underscore 1.13.8 have known vulnerabilities?

No known advisories affect underscore 1.13.8 according to the data Vigia checks.

Is underscore still maintained?

underscore published 1 stable releases in the last 12 months; the most recent was 266 days ago. Activity: slowing down.

Observed changes

No changes observed yet since Vigia started tracking this package.

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