LangChain Changelog

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November 2024

🖊️ Upload images, audio, video, and PDF files with LangSmith traces

LangSmith now supports uploading arbitrary binary files (such as images, audio, videos, and PDFs) with your traces. This is especially useful for building...

November 15, 2024

🎨 Prompt Canvas for streamlined prompt engineering

Prompt Canvas is our new interactive tool in LangSmith that streamlines the process of creating and optimizing prompts by collaborating with an AI agent....

November 12, 2024

October 2024

LangGraph Platform

🚀 LangGraph Platform: New deployment options for agent infrastructure

We've rebranded our service for deploying agents at scale as LangGraph Platform (formerly known as LangGraph Cloud). LangGraph Platform provides With...

October 31, 2024

LangSmith Self-Hosted

LangSmith Self-hosted v0.8

The LangSmith Self-hosted v0.8 release adds a new LangSmith home page, new features including support for custom code evaluators and bulk data export, and...

October 29, 2024

🏷️ Prompt tags in LangSmith for version control

We’re excited to introduce Prompt Tagging , a new feature in LangSmith that allows users to label individual commits with version tags (e.g., "dev",...

October 23, 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

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