Upgrade paths

This page shows the migration guides to the latest versions of the Langfuse SDKs. Pick your SDK to follow the relevant migration steps.

Python SDK

• Python SDK v4 → v5 — Latest
• Python SDK v3 → v4
• Python SDK v2 → v3

JS/TS SDK

• JS/TS SDK v5 → v6 — Latest
• JS/TS SDK v4 → v5
• JS/TS SDK v3 → v4