LangChain Changelog

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August 2024

LangSmith LangGraph

🚀 LangGraph Studio: The first agent IDE

LangGraph Studio offers a new way to develop LLM applications by providing a specialized agent IDE that enables visualization, interaction, and debugging of...

🏃 Trace comparison view & saving custom trace filters

In the runs table in LangSmith, you can now select traces to compare side-by-side. This lets you make direct comparisons to see discrepancies in output...

📊 Define, validate, and update dataset schemas in LangSmith

When building a dataset iteratively for an LLM app, having a defined schema for testing across examples lets you avoid broken code and keep your data clean...

July 2024

✍️ Multiple annotators can review a run in LangSmith

LangSmith's annotation queue now supports allowing multiple people to review an individual run. This makes it easier to coordinate data review across...

🔎 Filtering runs within the trace view

You can now filter for runs within the trace view in LangSmith. This is especially helpful for long-running agents, which can produce traces with hundreds,...

🔑 Enhanced Key-Value Search: Matching inputs and outputs

Users can now filter traces or runs by JSON key-value pair in inputs or outputs. This creates a more powerful search experience in LangSmith, as you can...

🪝 Webhook notifications for run rules

We now allow for the configuration of headers per webhook URL (stored in an encrypted format). When you add a webhook URL on an automation action in...

🛝 Build prompts faster and compare in LangSmith Playground

No more juggling tabs or context-switching — you can now compare multiple prompts and model configurations side-by-side in LangSmith's Playground. Build,...

🇪🇺 EU Data Residency for LangSmith

We're excited to offer EU data residency to LangSmith customers on all plan tiers, at no extra cost. You can now choose to host your data in the EU (instead...

🧵 Improved thread management and batch processing

We've made a few new improvements to LangGraph Cloud:

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