0.2.26

langgraph 0.2.26

Summary of Changes

• Fixed potential thread safety issues in the streaming messages handler by ensuring callbacks run in the main thread and simplifying message deduplication logic

Detailed Changes

langgraph.pregel.messages.StreamMessagesHandler

• Added run_inline = True to ensure callbacks run in the main thread, preventing order and locking issues when streaming messages
• Simplified message deduplication logic to only use message IDs instead of object identity, making the tracking mechanism more reliable