npm · npm:leven

leven active

Measure the difference between two strings using the Levenshtein distance algorithm

The latest stable version of leven is 4.1.0, published on 2025-09-11. Verified by Vigia on 2026-11-12.

Latest stable version	4.1.0
Published	2025-09-11 12:27:52 UTC
Install	`npm install leven@latest`
Requires (engines)	`{"node":"^12.20.0 \|\| ^14.13.1 \|\| >=16.0.0"}`
Peer dependencies	—
Dist-tags	`latest: 4.1.0`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 13:08:11 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

Maintenance

Activity	slowing down
Last stable release	2025-09-11 12:27:52 UTC · 427 days ago
Stable releases in the last 12 months	0
Published versions	9

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

Version history

Version	Published
`4.1.0`	2025-09-11 12:27:52 UTC
`4.0.0`	2021-08-10 12:17:03 UTC
`3.1.0`	2019-04-04 04:55:27 UTC
`3.0.0`	2019-03-12 06:00:52 UTC
`2.1.0`	2017-02-18 08:16:38 UTC
`2.0.0`	2015-09-07 08:47:31 UTC
`1.0.2`	2015-05-16 03:31:53 UTC
`1.0.1`	2014-10-07 17:23:37 UTC
`1.0.0`	2014-08-09 20:36:43 UTC

Showing the 9 most recent of 9 versions. JSON

Version compatibility

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

Runtime	Newest compatible version
`node 16`	`4.1.0`
`node 18`	`4.1.0`
`node 20`	`4.1.0`
`node 22`	`4.1.0`
`node 24`	`4.1.0`

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Frequently asked questions

What is the latest version of leven?

The latest stable version of leven is 4.1.0, published on 2025-09-11. Verified by Vigia on 2026-11-12.

How do I install the latest version of leven?

Run npm install leven@latest. The latest stable version is 4.1.0 (verified 2026-11-12).

Is leven deprecated?

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

Which Node.js version does leven require?

leven 4.1.0 declares this requirement: {"node":"^12.20.0 || ^14.13.1 || >=16.0.0"}.

Does leven 4.1.0 have known vulnerabilities?

No known advisories affect leven 4.1.0 according to the data Vigia checks.

Is leven still maintained?

leven published 0 stable releases in the last 12 months; the most recent was 427 days ago. Activity: slowing down.

Observed changes

No changes observed yet since Vigia started tracking this package.

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