# Langfuse v4.36.1

Category: safety-research
Published: 2026-09-15T09:00:35Z
Source: [Langfuse releases](https://github.com/langfuse/langfuse/releases/tag/v4.36.1)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-19T00:17:50.863Z
Tags: observability, tracing, evaluation

## Human Summary
Langfuse releases published Langfuse v4.36.1. What's Changed Fixes / Improvements fix(users): stop the column order and visibility keys colliding by @nkabardin in https://github.com/langfuse/langfuse/pull/17445 Chores chore(ai-gateway): Cache rust builds by @bezbac in https://github.com/langfuse/langfuse/pull/17440 chore: fix test: measure deleted-mask…

## Agent Summary
Treat Langfuse v4.36.1 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 v4.36.1. This 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 Fixes / Improvements fix(users): stop the column order and visibility keys colliding by @nkabardin in https://github.com/langfuse/langfuse/pull/17445 Chores chore(ai-gateway): Cache rust builds by @bezbac in https://github.com/langfuse/langfuse/pull/17440 chore: fix test: measure deleted-mask cleanup by physical rows, not patch parts by @sumerman in https://github.com/langfuse/langfuse/pull/17444 perf(filter-options): accelerate metadata equality with a text-index prefilter by @niklassemmler in https://github.com/langfuse/langfuse/pull/17353 refactor(web): Add design system DropdownMenu component by @bezbac in https://github.com/langfuse/langfuse/pull/17443 chore(deps): bump nodemailer to 10.0.5 by @github-actions bot in https://github.com/langfuse/langfuse/pull/17459 refactor(web): Migrate all tables to @tanstack/react-table by @bezbac in…

## 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.