npm · npm:co

co active

generator async control flow goodness

The latest stable version of co is 4.6.0, published on 2015-07-09. Verified by Vigia on 2026-11-12.

Latest stable version	4.6.0
Published	2015-07-09 22:30:44 UTC
Install	`npm install co@latest`
Requires (engines)	`{"iojs":">= 1.0.0","node":">= 0.12.0"}`
Peer dependencies	—
Dist-tags	`latest: 4.6.0`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 12:45:58 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2015-07-09 22:30:44 UTC · 4144 days ago
Stable releases in the last 12 months	0
Published versions	34

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

Version history

Version	Published
`4.6.0`	2015-07-09 22:30:44 UTC
`4.5.4`	2015-05-03 22:58:14 UTC
`4.5.2`	2015-04-17 17:33:27 UTC
`4.5.1`	2015-03-18 04:23:56 UTC
`4.5.0`	2015-03-18 04:23:19 UTC
`4.4.0`	2015-02-15 01:14:40 UTC
`4.3.1`	2015-02-07 01:59:57 UTC
`4.3.0`	2015-02-07 01:59:35 UTC
`4.2.0`	2015-01-21 02:07:21 UTC
`4.1.0`	2014-12-26 21:54:40 UTC
`4.0.2`	2014-12-18 21:56:52 UTC
`4.0.1`	2014-11-29 20:43:52 UTC
`4.0.0`	2014-11-16 06:20:20 UTC
`3.1.0`	2014-07-27 19:03:17 UTC
`3.0.6`	2014-05-03 18:35:22 UTC
`3.0.5`	2014-03-17 15:52:56 UTC
`3.0.4`	2014-02-18 05:03:07 UTC
`3.0.2`	2014-01-02 17:16:33 UTC
`3.0.1`	2013-12-20 05:23:05 UTC
`3.0.0`	2013-12-20 04:04:19 UTC

Showing the 20 most recent of 34 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`	`4.6.0`
`node 18`	`4.6.0`
`node 20`	`4.6.0`
`node 22`	`4.6.0`
`node 24`	`4.6.0`

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Frequently asked questions

What is the latest version of co?

The latest stable version of co is 4.6.0, published on 2015-07-09. Verified by Vigia on 2026-11-12.

How do I install the latest version of co?

Run npm install co@latest. The latest stable version is 4.6.0 (verified 2026-11-12).

Is co deprecated?

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

Which Node.js version does co require?

co 4.6.0 declares this requirement: {"iojs":">= 1.0.0","node":">= 0.12.0"}.

Does co 4.6.0 have known vulnerabilities?

No known advisories affect co 4.6.0 according to the data Vigia checks.

Is co still maintained?

co published 0 stable releases in the last 12 months; the most recent was 4144 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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