LangChain Changelog

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September 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

August 2024

🐍 LangGraph Python: Dynamic breakpoints, error tracking in checkpointer, and custom configs

We’ve rolled out new features and improvements to LangGraph Python, designed to streamline your workflows: These updates enhance control, error management,...

August 31, 2024

🤖 Reliable streaming and efficient state management in LangGraph

We're excited to roll out several key updates that enhance the LangGraph API/Cloud experience. These includeL These updates collectively enhance the...

August 30, 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

🏷️ Resource tags to organize your Workspace in LangSmith

You can now organize your Workspace in LangSmith with resource tags. Resource tags help you efficiently manage, group, search, and filter through resources...

August 22, 2024

💥 Dynamic few-shot example selection in open beta

Dynamic few-shot example selection is now available in open beta for LangSmith users (currently for Cloud only). With this feature, you can perform...

August 21, 2024

🛝 LangSmith Playground v2: More models, better compatibility, faster testing

Thousands of engineers use the LangSmith Playground as their IDE for prompt engineering. Now, we’ve made the Playground even better — here’s what’s new:...

August 21, 2024

🪄 Generate synthetic examples to enhance a LangSmith dataset

You can now generate synthetic examples for your datasets in LangSmith. Using the dataset schema you've defined, we generate new examples based on existing...

August 15, 2024

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