npm · npm:fast-json-patch

fast-json-patch active

Fast implementation of JSON-Patch (RFC-6902) with duplex (observe changes) capabilities

The latest stable version of fast-json-patch is 3.1.1, published on 2022-03-24. Verified by Vigia on 2026-11-12.

Latest stable version	3.1.1
Published	2022-03-24 18:44:40 UTC
Install	`npm install fast-json-patch@latest`
Requires (engines)	none declared
Peer dependencies	—
Dist-tags	`latest: 3.1.1`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 15:48:55 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2022-03-24 18:44:40 UTC · 1694 days ago
Stable releases in the last 12 months	0
Published versions	46

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

Version history

Version	Published
`3.1.1`	2022-03-24 18:44:40 UTC
`3.1.0`	2021-08-13 08:44:38 UTC
`2.2.1`	2019-08-09 08:50:28 UTC
`2.2.0`	2019-08-01 10:09:37 UTC
`2.1.0`	2019-04-01 12:46:59 UTC
`2.0.7`	2018-08-30 10:22:01 UTC
`2.0.6`	2017-10-20 14:34:22 UTC
`2.0.5`	2017-08-29 12:04:33 UTC
`2.0.4`	2017-07-21 13:32:36 UTC
`2.0.3`	2017-06-28 11:20:28 UTC
`2.0.2`	2017-06-16 10:43:35 UTC
`2.0.1`	2017-06-16 10:16:13 UTC
`2.0.0`	2017-06-16 09:36:01 UTC
`1.2.2`	2017-06-02 17:56:56 UTC
`1.2.1`	2017-06-02 07:21:04 UTC
`1.2.0`	2017-05-29 14:33:30 UTC
`1.1.10`	2017-05-05 08:20:59 UTC
`1.1.9`	2017-04-19 13:49:11 UTC
`1.1.8`	2017-02-23 16:39:10 UTC
`1.1.7`	2017-02-23 16:07:48 UTC

Showing the 20 most recent of 44 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`	`3.1.1`
`node 18`	`3.1.1`
`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 fast-json-patch?

The latest stable version of fast-json-patch is 3.1.1, published on 2022-03-24. Verified by Vigia on 2026-11-12.

How do I install the latest version of fast-json-patch?

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

Is fast-json-patch deprecated?

No. fast-json-patch is not marked as deprecated in the registry.

Which Node.js version does fast-json-patch require?

fast-json-patch 3.1.1 does not declare a Node.js version requirement.

Does fast-json-patch 3.1.1 have known vulnerabilities?

No known advisories affect fast-json-patch 3.1.1 according to the data Vigia checks.

Is fast-json-patch still maintained?

fast-json-patch published 0 stable releases in the last 12 months; the most recent was 1694 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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