LangChain Changelog

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October 2024

📦 Bulk data export from LangSmith for offline analysis

LangSmith now supports bulk data exports, now available in beta for LangSmith Plus and Enterprise plans. If you need to analyze your trace data offline in an...

October 23, 2024

🪟 Enhanced trace comparison view with auto-trace tracking and diff viewer

We've improved our trace comparison view in LangSmith, making it faster for you to analyze traces. All of the features can be toggled, so you can customize...

October 22, 2024

💻 Custom code evaluators in LangSmith

You can now write custom code evaluators and run them in the LangSmith UI! Custom code evaluators allow you to evaluate experiments using deterministic and...

October 17, 2024

🐍 LangGraph is now compatible with Python 3.13

LangGraph is now compatible with Python 3.13! You can now build controllable agents with the updated features of Python 3.13, including the new interactive...

October 11, 2024

🧠 LangGraph long-term memory support

We’re thrilled to announce cross-thread memory support in LangGraph, available for both Python and JavaScript. This new feature lets your agents store and...

October 8, 2024

September 2024

SAML SSO for unified access to LangSmith

LangSmith now supports SAML Single Sign-On (SSO) for Enterprise cloud customers. This feature enables seamless login through a single identity provider (IdP)...

September 23, 2024

📐 LangGraph Templates: Build configurable agentic workflows

We’re excited to announce LangGraph Templates —available now in Python and JavaScript! These templates address common agentic use cases, allowing you to...

September 20, 2024

🐍 Performance enhancements & CI benchmarks for LangGraph Python library

We've shipped a number of updates to the LangGraph Python library! These include the following: Performance Enhancements: We've made significant improvements...

September 18, 2024

🚀 LangChain v0.3: Migrating to Pydantic 2 for Python & peer dependencies for JavaScript

We’re excited to announce the release of LangChain v0.3 for both Python and JavaScript! Here's a quick rundown of the key changes and new features: What's...

September 17, 2024

🧵 Collated trace view for enhanced conversation tracking & filtering

We're introduced a new default collated trace view for conversations! This update allows you to open and view multiple traces within a conversation without...

September 13, 2024

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