LangChain v1.3.0 adds v3 event streaming for agents
New version brings version='v3' support to stream_events and astream_events.
Deep Dive
LangChain-ai released LangChain v1.3.0, adding support for version="v3" in stream_events and astream_events for LangChain agents. Refer to the event streaming guide for details.
Key Points
- LangChain v1.3.0 introduces version="v3" for stream_events/astream_events in agents.
- Enables structured event data with improved schema for agent monitoring and debugging.
- Backwards compatible, detailed in updated event streaming guide on LangChain docs.
Why It Matters
Simplifies debugging and state management for LangChain agents in production with structured event streaming.