npm · npm:@mapbox/polyline

@mapbox/polyline active

Polyline encoding and decoding

The latest stable version of @mapbox/polyline is 1.2.1, published on 2023-09-14. Verified by Vigia on 2026-11-12.

Latest stable version	1.2.1
Published	2023-09-14 14:52:06 UTC
Install	`npm install @mapbox/polyline@latest`
Requires (engines)	none declared
Peer dependencies	—
Dist-tags	`latest: 1.2.1`
License	—
Advisories on latest version	none known
Last verified	2026-11-12 12:47:23 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	dormant
Last stable release	2023-09-14 14:52:06 UTC · 1155 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
`1.2.1`	2023-09-14 14:52:06 UTC
`1.2.0`	2023-04-06 20:48:57 UTC
`1.1.1`	2020-05-18 13:56:40 UTC
`1.1.0`	2019-05-06 15:19:18 UTC
`1.0.0`	2018-04-01 17:37:18 UTC
`0.2.0`	2016-12-22 02:25:39 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`	`1.2.1`
`node 18`	`1.2.1`
`node 20`	`1.2.1`
`node 22`	`1.2.1`
`node 24`	`1.2.1`

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Frequently asked questions

What is the latest version of @mapbox/polyline?

The latest stable version of @mapbox/polyline is 1.2.1, published on 2023-09-14. Verified by Vigia on 2026-11-12.

How do I install the latest version of @mapbox/polyline?

Run npm install @mapbox/polyline@latest. The latest stable version is 1.2.1 (verified 2026-11-12).

Is @mapbox/polyline deprecated?

No. @mapbox/polyline is not marked as deprecated in the registry.

Which Node.js version does @mapbox/polyline require?

@mapbox/polyline 1.2.1 does not declare a Node.js version requirement.

Does @mapbox/polyline 1.2.1 have known vulnerabilities?

No known advisories affect @mapbox/polyline 1.2.1 according to the data Vigia checks.

Is @mapbox/polyline still maintained?

@mapbox/polyline published 0 stable releases in the last 12 months; the most recent was 1155 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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