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npm · npm:opossum

opossum active

A fail-fast circuit breaker for promises and callbacks

The latest stable version of opossum is 10.0.0, published on 2026-06-24. Verified by Vigia on 2026-11-12.

Latest stable version10.0.0
Published2026-06-24 13:12:52 UTC
Installnpm install opossum@latest
Requires (engines){"node":"^26 || ^24 || ^22"}
Peer dependencies—
Dist-tagscanary: 4.2.3-0 latest: 10.0.0
LicenseApache-2.0
Advisories on latest versionnone known
Last verified2026-11-12 12:23:16 UTC
Sourcesapi.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activityactive
Last stable release2026-06-24 13:12:52 UTC · 141 days ago
Stable releases in the last 12 months1
Published versions70

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

Version history

VersionPublished
10.0.02026-06-24 13:12:52 UTC
9.0.02025-06-05 12:55:15 UTC
8.5.02025-05-29 12:35:40 UTC
8.4.02024-11-27 19:29:23 UTC
8.3.12024-11-11 13:14:53 UTC
8.3.02024-10-28 19:17:57 UTC
8.2.02024-10-23 14:18:28 UTC
8.1.42024-04-30 12:31:38 UTC
8.1.32023-11-06 15:24:49 UTC
8.1.22023-10-05 13:25:01 UTC
8.1.12023-09-13 13:46:56 UTC
8.1.02023-08-01 13:52:51 UTC
8.0.12023-05-31 13:45:31 UTC
8.0.02023-05-25 14:38:07 UTC
7.1.02023-01-19 15:15:30 UTC
7.0.12022-11-28 19:01:10 UTC
7.0.02022-10-13 13:46:57 UTC
6.4.02022-06-22 14:59:54 UTC
6.3.02022-01-11 18:24:08 UTC
6.2.12021-08-23 21:34:10 UTC

Showing the 20 most recent of 68 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 168.5.0
node 188.5.0
node 209.0.0
node 2210.0.0
node 2410.0.0

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Frequently asked questions

What is the latest version of opossum?

The latest stable version of opossum is 10.0.0, published on 2026-06-24. Verified by Vigia on 2026-11-12.

How do I install the latest version of opossum?

Run npm install opossum@latest. The latest stable version is 10.0.0 (verified 2026-11-12).

Is opossum deprecated?

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

Which Node.js version does opossum require?

opossum 10.0.0 declares this requirement: {"node":"^26 || ^24 || ^22"}.

Does opossum 10.0.0 have known vulnerabilities?

No known advisories affect opossum 10.0.0 according to the data Vigia checks.

Is opossum still maintained?

opossum published 1 stable releases in the last 12 months; the most recent was 141 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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