npm · npm:mermaid

mermaid active

Markdown-ish syntax for generating flowcharts, mindmaps, sequence diagrams, class diagrams, gantt charts, git graphs and more.

The latest stable version of mermaid is 12.3.0, published on 2026-11-03. Verified by Vigia on 2026-11-12.

Latest stable version	12.3.0
Published	2026-11-03 13:18:31 UTC
Install	`npm install mermaid@latest`
Requires (engines)	`{"node":">=22.12.0"}`
Peer dependencies	—
Dist-tags	`next: 10.9.0-rc.2` `alpha: 13.0.0-alpha.0` `latest: 12.3.0` `backport: 10.9.8` `v13-alpha: 13.0.0-alpha.3`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 12:05:25 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activity	active
Last stable release	2026-10-13 08:42:16 UTC · 30 days ago
Stable releases in the last 12 months	15
Published versions	264

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

Version history

Version	Published
`12.2.0`	2026-10-13 08:42:16 UTC
`12.1.0`	2026-10-02 11:14:26 UTC
`12.0.0`	2026-09-10 07:43:05 UTC
`11.17.2`	2026-08-25 11:52:39 UTC
`11.17.1`	2026-08-24 13:11:52 UTC
`11.17.0`	2026-08-19 09:20:08 UTC
`10.9.8`	2026-08-04 15:35:16 UTC
`11.16.1`	2026-08-04 15:09:06 UTC
`11.16.0`	2026-06-25 11:30:40 UTC
`10.9.6`	2026-05-11 17:29:43 UTC
`11.15.0`	2026-05-11 11:15:09 UTC
`11.14.0`	2026-04-01 09:17:42 UTC
`11.13.0`	2026-03-09 12:07:45 UTC
`11.12.3`	2026-02-17 12:44:51 UTC
`11.12.2`	2025-12-02 16:28:33 UTC
`10.9.5`	2025-11-04 13:51:49 UTC
`11.12.1`	2025-10-27 13:07:19 UTC
`11.12.0`	2025-09-18 05:22:03 UTC
`11.11.0`	2025-09-04 15:08:13 UTC
`11.10.1`	2025-08-22 12:08:18 UTC

Showing the 20 most recent of 180 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`	`11.17.2`
`node 18`	`11.17.2`
`node 20`	`11.17.2`
`node 22`	`12.2.0`
`node 24`	`12.2.0`

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Frequently asked questions

What is the latest version of mermaid?

The latest stable version of mermaid is 12.3.0, published on 2026-11-03. Verified by Vigia on 2026-11-12.

How do I install the latest version of mermaid?

Run npm install mermaid@latest. The latest stable version is 12.3.0 (verified 2026-11-12).

Is mermaid deprecated?

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

Which Node.js version does mermaid require?

mermaid 12.3.0 declares this requirement: {"node":">=22.12.0"}.

Does mermaid 12.3.0 have known vulnerabilities?

No known advisories affect mermaid 12.3.0 according to the data Vigia checks.

Is mermaid still maintained?

mermaid published 15 stable releases in the last 12 months; the most recent was 30 days ago. Activity: active.

Observed changes

Wed Nov 04 2026 12:02:54 GM +0000 (Coordinated Universal Time) — released 12.3.0 → 12.3.0
ue Nov 03 2026 14:02:39 GMT+0000 (Coordinated Universal Time) — released 12.2.0 → 12.3.0
ue Oct 13 2026 09:35:26 GMT+0000 (Coordinated Universal Time) — released 12.1.0 → 12.2.0

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