npm · npm:langfuse
langfuse active
NOT the latest Langfuse JS/TS SDK. Deprecated v3 client (new Langfuse(), trace(), api.traceList). For new work: npm install @langfuse/tracing @langfuse/otel @opentelemetry/sdk-node. Docs: https://langfuse.com/docs/observability/sdk/overview
The latest stable version of langfuse is 3.39.2, published on 2026-09-15. Verified by Vigia on 2026-11-12.
| Latest stable version | 3.39.2 |
|---|---|
| Published | 2026-09-15 11:28:50 UTC |
| Install | npm install langfuse@latest |
| Requires (engines) | {"node":">=18"} |
| Peer dependencies | — |
| Dist-tags | beta: 0.1.0-beta.7 alpha: 3.32.3-alpha.0 latest: 3.39.2 |
| License | MIT |
| Advisories on latest version | none known |
| Last verified | 2026-11-12 13:06:44 UTC |
| Sources | api.deps.dev, registry.npmjs.org, registry.npmjs.org |
Maintenance
| Activity | active |
|---|---|
| Last stable release | 2026-09-15 11:28:50 UTC · 58 days ago |
| Stable releases in the last 12 months | 2 |
| Published versions | 236 |
Heuristic based only on release dates; it does not measure issue or security response times.
Version history
| Version | Published |
|---|---|
3.39.2 | 2026-09-15 11:28:50 UTC |
3.38.20 | 2026-04-01 08:11:19 UTC |
3.38.6 | 2025-10-16 09:50:29 UTC |
3.38.5 | 2025-08-28 12:41:13 UTC |
3.38.4 | 2025-07-09 13:00:15 UTC |
3.38.3 | 2025-07-08 18:49:44 UTC |
3.38.2 | 2025-07-04 12:19:58 UTC |
3.38.1 | 2025-07-03 07:56:58 UTC |
3.38.0 | 2025-07-02 09:08:01 UTC |
3.37.6 | 2025-06-26 12:52:27 UTC |
3.37.5 | 2025-06-23 17:12:24 UTC |
3.37.4 | 2025-06-06 09:56:08 UTC |
3.37.3 | 2025-05-26 16:02:39 UTC |
3.37.2 | 2025-04-15 19:31:09 UTC |
3.37.1 | 2025-03-31 09:34:49 UTC |
3.37.0 | 2025-03-17 11:14:48 UTC |
3.36.0 | 2025-03-03 16:32:04 UTC |
3.35.3 | 2025-02-25 12:49:53 UTC |
3.35.2 | 2025-02-10 14:09:44 UTC |
3.35.1 | 2025-02-05 16:01:39 UTC |
Showing the 20 most recent of 160 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 | 1.3.0 |
node 18 | 3.39.2 |
node 20 | 3.39.2 |
node 22 | 3.39.2 |
node 24 | 3.39.2 |
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Frequently asked questions
What is the latest version of langfuse?
The latest stable version of langfuse is 3.39.2, published on 2026-09-15. Verified by Vigia on 2026-11-12.
How do I install the latest version of langfuse?
Run npm install langfuse@latest. The latest stable version is 3.39.2 (verified 2026-11-12).
Is langfuse deprecated?
No. langfuse is not marked as deprecated in the registry.
Which Node.js version does langfuse require?
langfuse 3.39.2 declares this requirement: {"node":">=18"}.
Does langfuse 3.39.2 have known vulnerabilities?
No known advisories affect langfuse 3.39.2 according to the data Vigia checks.
Is langfuse still maintained?
langfuse published 2 stable releases in the last 12 months; the most recent was 58 days ago. Activity: active.
Observed changes
No changes observed yet since Vigia started tracking this package.
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