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Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts

The latest stable version of @toon-format/toon is 4.4.0, published on 2026-10-08. Verified by Vigia on 2026-11-12.

Latest stable version4.4.0
Published2026-10-08 20:34:12 UTC
Installnpm install @toon-format/toon@latest
Requires (engines)none declared
Peer dependencies—
Dist-tagslatest: 4.4.0
LicenseMIT
Advisories on latest versionnone known
Last verified2026-11-12 01:43:03 UTC
Sourcesapi.deps.dev, registry.npmjs.org, registry.npmjs.org

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Maintenance

Activityactive
Last stable release2026-10-08 20:34:12 UTC · 34 days ago
Stable releases in the last 12 months14
Published versions22

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

Version history

VersionPublished
4.4.02026-10-08 20:34:12 UTC
4.1.12026-08-05 11:58:04 UTC
4.1.02026-07-26 09:29:06 UTC
4.0.02026-07-22 20:18:09 UTC
2.3.12026-07-16 06:08:09 UTC
2.3.02026-05-20 09:49:24 UTC
2.2.02026-05-08 21:19:27 UTC
2.1.02025-12-04 21:34:46 UTC
2.0.12025-11-27 21:08:23 UTC
2.0.02025-11-24 16:46:25 UTC
1.4.02025-11-24 07:43:31 UTC
1.3.02025-11-21 21:39:36 UTC
1.2.02025-11-21 13:04:19 UTC
1.1.02025-11-21 08:37:05 UTC
1.0.02025-11-10 16:29:45 UTC
0.9.02025-11-10 09:52:13 UTC
0.8.02025-11-05 18:04:59 UTC
0.7.32025-11-03 16:42:41 UTC
0.7.22025-11-03 10:42:19 UTC
0.7.12025-11-03 07:23:56 UTC

Showing the 20 most recent of 22 versions. JSON

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Frequently asked questions

What is the latest version of @toon-format/toon?

The latest stable version of @toon-format/toon is 4.4.0, published on 2026-10-08. Verified by Vigia on 2026-11-12.

How do I install the latest version of @toon-format/toon?

Run npm install @toon-format/toon@latest. The latest stable version is 4.4.0 (verified 2026-11-12).

Is @toon-format/toon deprecated?

No. @toon-format/toon is not marked as deprecated in the registry.

Which Node.js version does @toon-format/toon require?

@toon-format/toon 4.4.0 does not declare a Node.js version requirement.

Does @toon-format/toon 4.4.0 have known vulnerabilities?

No known advisories affect @toon-format/toon 4.4.0 according to the data Vigia checks.

Is @toon-format/toon still maintained?

@toon-format/toon published 14 stable releases in the last 12 months; the most recent was 34 days ago. Activity: active.

Observed changes

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