# Langfuse v4.57.0

Category: safety-research
Published: 2026-10-12T17:20:29Z
Source: [Langfuse releases](https://github.com/langfuse/langfuse/releases/tag/v4.57.0)
Agent usefulness: 77/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-12T18:17:40.981Z
Tags: observability, tracing, evaluation

## Human Summary
Langfuse releases published Langfuse v4.57.0. What's Changed Features feat(ee): refuse FIPS mode with storage options that compute MD5 by @Steffen911 in 18443 feat(worker): add optional startup jitter before queue registration by @niklassemmler in 18525 feat(auth): hash passwords with PBKDF2 in FIPS mode by @Steffen911 in 18444 feat(web): restore optional…

## Agent Summary
Treat Langfuse v4.57.0 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Langfuse releases published Langfuse v4.57.0. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: What's Changed Features feat(ee): refuse FIPS mode with storage options that compute MD5 by @Steffen911 in 18443 feat(worker): add optional startup jitter before queue registration by @niklassemmler in 18525 feat(auth): hash passwords with PBKDF2 in FIPS mode by @Steffen911 in 18444 feat(web): restore optional Cloudflare Turnstile captcha on credential auth by @maxdeichmann in 18580 feat(web): carry the typed email over to the password reset form by @dergeraetbot in 18585 feat(gateway): add API key expiration by @wochinge in 18561 feat(evals): measure score persistence outcomes by @wochinge in 18600 feat(skills): add CLI installation guidance by @tobi12345 in 18552 feat(analytics): require metadata for every toast by @nkabardin in 18554 feat: Add best-effort cleanup of validated file in s3 by @jordibosch20 in 18608 feat(native): extract inline media from raw OTEL documents by @sumerman…

## Recommended actions
- Review the official Langfuse releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.