Tool NewsLangChain 1.5.5: The Patch Release That Hardens Tool Calling, Async Workflows, and LLM Reliability
LangChain 1.5.5 focuses on reliability rather than flashy new features, addressing tool validation, async behavior, chunk merging, caching, and malformed content handling.…
Shahnawaz Khan
Aug 15, 2026
24 min read