LangChain Changelog

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December 2024

File attachments with example datasets in LangSmith

LangSmith now supports uploading any binary file (e.g. images, audio, videos, PDF) directly with examples in your datasets. You can now run multimodal LLM...

December 12, 2024

LangSmith Self-Hosted

📈 Organization Usage Charts for Self-Hosted Customers

Self-hosted LangSmith customers can now access organization usage charts . Track trace usage across your entire org or by workspace with ease. What’s New:...

December 10, 2024

🔭 OpenTelemetry support for LangSmith

LangSmith now supports OpenTelemetry, bringing distributed tracing and end-to-end visibility to your LLM observability workflow. Ingest traces in OpenLLMetry...

December 9, 2024

🛠️ LangSmith SDK v0.2: Simplified evaluators and improved performance

We've recently released v0.2 of our LangSmith SDKs (Python and TypeScript) with a number of quality-of-life improvements to make the evals experience more...

December 6, 2024

🖊️ Annotation rubrics for guided annotation workflows

We're thrilled to announce Annotation Rubrics , our latest LangSmith feature designed to streamline guided annotation workflows. Whether you're collaborating...

December 4, 2024

🛝 Saving model configurations in LangSmith's Playground

We’ve updated the LangSmith Playground to make saving and managing model configurations simple. You can easily reuse your preferred settings across sessions,...

December 4, 2024

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

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