npm · npm:testem

testem active

Test'em 'scripts! JavaScript unit testing made easy.

The latest stable version of testem is 3.21.5, published on 2026-10-26. Verified by Vigia on 2026-11-12.

Latest stable version	3.21.5
Published	2026-10-26 17:02:40 UTC
Install	`npm install testem@latest`
Requires (engines)	`{"node":"^20.19.0 \|\| ^22.12.0 \|\| ^24.0.0 \|\| >= 26.0.0"}`
Peer dependencies	—
Dist-tags	`next: 4.0.0-beta.3` `latest: 3.21.5` `backport: 1.18.5`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 11:44:04 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	active
Last stable release	2026-10-26 11:08:28 UTC · 17 days ago
Stable releases in the last 12 months	12
Published versions	407

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

Version history

Version	Published
`3.21.4`	2026-10-26 11:08:28 UTC
`3.21.3`	2026-10-02 07:13:41 UTC
`3.21.2`	2026-09-30 08:28:35 UTC
`3.21.1`	2026-09-30 06:58:21 UTC
`3.21.0`	2026-09-07 19:44:42 UTC
`3.20.2`	2026-08-26 21:29:49 UTC
`3.20.1`	2026-05-26 19:59:28 UTC
`3.20.0`	2026-04-07 19:16:22 UTC
`3.19.1`	2026-03-27 16:12:38 UTC
`3.19.0`	2026-03-23 21:25:36 UTC
`3.18.0`	2026-03-10 07:47:55 UTC
`3.17.0`	2025-12-11 08:45:33 UTC
`3.16.0`	2025-05-12 19:52:04 UTC
`3.15.2`	2024-09-11 10:28:58 UTC
`3.15.1`	2024-07-24 08:26:35 UTC
`3.15.0`	2024-06-27 08:53:40 UTC
`3.14.0`	2024-05-30 12:08:12 UTC
`3.13.0`	2024-04-12 21:22:44 UTC
`3.12.0`	2024-02-22 08:51:14 UTC
`3.11.0`	2023-11-20 07:38:23 UTC

Showing the 20 most recent of 390 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`	`3.19.1`
`node 18`	`3.19.1`
`node 20`	`3.21.4`
`node 22`	`3.21.4`
`node 24`	`3.21.4`

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Frequently asked questions

What is the latest version of testem?

The latest stable version of testem is 3.21.5, published on 2026-10-26. Verified by Vigia on 2026-11-12.

How do I install the latest version of testem?

Run npm install testem@latest. The latest stable version is 3.21.5 (verified 2026-11-12).

Is testem deprecated?

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

Which Node.js version does testem require?

testem 3.21.5 declares this requirement: {"node":"^20.19.0 || ^22.12.0 || ^24.0.0 || >= 26.0.0"}.

Does testem 3.21.5 have known vulnerabilities?

No known advisories affect testem 3.21.5 according to the data Vigia checks.

Is testem still maintained?

testem published 12 stable releases in the last 12 months; the most recent was 17 days ago. Activity: active.

Observed changes

ue Oct 27 2026 11:37:05 GMT+0000 (Coordinated Universal Time) — released 3.21.5 → 3.21.5
Mon Oct 26 2026 17:36:31 GM +0000 (Coordinated Universal Time) — released 3.21.4 → 3.21.5
Mon Oct 26 2026 11:36:11 GM +0000 (Coordinated Universal Time) — released 3.21.3 → 3.21.4

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