npm · npm:zlib

zlib active

Simple, synchronous deflate/inflate for buffers

The latest stable version of zlib is 1.0.5, published on 2011-08-08. Verified by Vigia on 2026-11-12.

Latest stable version	1.0.5
Published	2011-08-08 18:15:58 UTC
Install	`npm install zlib@latest`
Requires (engines)	`{"node":">=0.2.0"}`
Peer dependencies	—
Dist-tags	`latest: 1.0.5`
License	—
Advisories on latest version	none known
Last verified	2026-11-12 12:59:39 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2011-08-08 18:15:58 UTC · 5575 days ago
Stable releases in the last 12 months	0
Published versions	6

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

Version history

Version	Published
`1.0.5`	2011-08-08 18:15:58 UTC
`1.0.4`	2011-06-22 06:42:47 UTC
`1.0.3`	2011-03-29 21:42:31 UTC
`1.0.2`	2011-03-11 19:32:46 UTC
`1.0.1`	2011-03-11 17:02:02 UTC
`1.0.0`	2011-03-11 15:40:05 UTC

Showing the 6 most recent of 6 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`	`1.0.5`
`node 18`	`1.0.5`
`node 20`	`1.0.5`
`node 22`	`1.0.5`
`node 24`	`1.0.5`

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Frequently asked questions

What is the latest version of zlib?

The latest stable version of zlib is 1.0.5, published on 2011-08-08. Verified by Vigia on 2026-11-12.

How do I install the latest version of zlib?

Run npm install zlib@latest. The latest stable version is 1.0.5 (verified 2026-11-12).

Is zlib deprecated?

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

Which Node.js version does zlib require?

zlib 1.0.5 declares this requirement: {"node":">=0.2.0"}.

Does zlib 1.0.5 have known vulnerabilities?

No known advisories affect zlib 1.0.5 according to the data Vigia checks.

Is zlib still maintained?

zlib published 0 stable releases in the last 12 months; the most recent was 5575 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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