LangChain langchain-core==1.4.9 is out. Here's what changed:
Changes since langchain-core==1.4.8
release(core): 1.4.9 (#38728) fix(core): improve langsmith loader error messages (#35648) fix(core): output parser bugs in xml.py and pydantic.py (#35641) style(core): fix some ruff preview rules (#38656) fix(core): avoid dict shadowing in language models (#38480) fix(core): _parse_google_docstring mishandling continuation lines with colons (#35680) fix(core): add messages to bare raise ValueError calls (#38158) fix(core): use `asyncio.get_running_loop(
Sourced from GitHub Releases. Published 2026-07-08.