---
title: "Langfuse API changes, deprecations and deadlines | Harbyn"
description: "Langfuse: 0 upcoming deadlines and 5 recorded changes as of 2026-10-25, each with its source."
canonical: "https://harbyn.com/vendors/langfuse"
last-updated: 2026-10-25
---

# Langfuse: API changes and deadlines

Markdown version of <https://harbyn.com/vendors/langfuse>.

AI models and APIs. 0 upcoming deadlines, 5 recorded changes. Every entry cites the Langfuse page we read it from.

## What we read

The Langfuse pages and feeds our ingestion visits, politely and on a schedule.

- **Changelog**: <https://langfuse.com/changelog>
- **Changelog**: <https://api.github.com/advisories?affects=langfuse&per_page=20&sort=published&direction=desc>

## What the scanner looks for

How `harbyn scan` recognises Langfuse in a repository, on your machine. Nothing leaves it.

- **Packages**: `npm langfuse`, `pypi langfuse`

## Upcoming deadlines

No upcoming Langfuse deadline in the feed right now.

## Change history

Newest first, by the date Langfuse announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such.

### October 2026

- Oct 23, 2026, Feature: [FIPS mode for self-hosted Enterprise deployments](https://langfuse.com/changelog)
- Oct 22, 2026, Feature: [Export score metadata and provenance to blob storage](https://langfuse.com/changelog)
- Oct 16, 2026, Feature: [Limit what project API keys can do](https://langfuse.com/changelog)
- Oct 14, 2026, Breaking change: [Python SDK v5 and JS/TS SDK v6 remove deprecated APIs](https://harbyn.com/changes/langfuse/2026-10-14-new-sdk-majors-for-langfuse-v4.md)
- Oct 14, 2026, Feature: [Python SDK v5 and JS/TS SDK v6](https://langfuse.com/changelog)
