npm · npm:ow

ow active

Function argument validation for humans

The latest stable version of ow is 3.1.1, published on 2025-10-16. Verified by Vigia on 2026-11-12.

Latest stable version	3.1.1
Published	2025-10-16 17:10:10 UTC
Install	`npm install ow@latest`
Requires (engines)	`{"node":">=20"}`
Peer dependencies	—
Dist-tags	`latest: 3.1.1` `version-0-28: 0.28.2`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 12:25:03 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

Maintenance

Activity	slowing down
Last stable release	2025-10-16 17:10:10 UTC · 392 days ago
Stable releases in the last 12 months	0
Published versions	47

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

Version history

Version	Published
`3.1.1`	2025-10-16 17:10:10 UTC
`3.1.0`	2025-10-10 03:53:16 UTC
`3.0.0`	2025-09-09 22:28:28 UTC
`2.0.0`	2024-05-05 19:00:14 UTC
`1.1.1`	2023-01-26 04:24:38 UTC
`1.1.0`	2022-10-03 14:34:15 UTC
`0.28.2`	2022-10-03 14:30:37 UTC
`1.0.0`	2022-06-13 10:45:22 UTC
`0.28.1`	2021-10-04 08:33:20 UTC
`0.28.0`	2021-09-22 11:39:11 UTC
`0.27.0`	2021-07-16 15:34:10 UTC
`0.26.0`	2021-07-02 13:14:16 UTC
`0.25.0`	2021-06-26 10:49:38 UTC
`0.24.1`	2021-06-05 09:55:06 UTC
`0.24.0`	2021-06-05 09:44:12 UTC
`0.23.1`	2021-06-04 05:32:00 UTC
`0.23.0`	2021-01-20 10:08:45 UTC
`0.22.0`	2021-01-08 17:48:47 UTC
`0.21.0`	2020-12-19 17:28:38 UTC
`0.20.0`	2020-11-28 07:56:11 UTC

Showing the 20 most recent of 46 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`	`1.1.1`
`node 18`	`2.0.0`
`node 20`	`3.1.1`
`node 22`	`3.1.1`
`node 24`	`3.1.1`

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Frequently asked questions

What is the latest version of ow?

The latest stable version of ow is 3.1.1, published on 2025-10-16. Verified by Vigia on 2026-11-12.

How do I install the latest version of ow?

Run npm install ow@latest. The latest stable version is 3.1.1 (verified 2026-11-12).

Is ow deprecated?

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

Which Node.js version does ow require?

ow 3.1.1 declares this requirement: {"node":">=20"}.

Does ow 3.1.1 have known vulnerabilities?

No known advisories affect ow 3.1.1 according to the data Vigia checks.

Is ow still maintained?

ow published 0 stable releases in the last 12 months; the most recent was 392 days ago. Activity: slowing down.

Observed changes

No changes observed yet since Vigia started tracking this package.

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