LangChain Changelog

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November 2024

🪄 Redesigned LangSmith product homepage & resource tags for organization

We've redesigned the LangSmith product homepage and made enhancements to Resource Tags for improved organization within your workspaces. The homepage is now...

November 19, 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

🏷️ 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

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

🧵 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

August 2024

📊 Custom dashboards to monitor LLM app performance

Create custom dashboards in LangSmith to track key metrics for your LLM app's performance such as cost, latency, and quality - including feedback from users...

August 29, 2024

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