langchain-ai/langchain latest releaselangchain-core==1.4.0
Changes since langchain-core==0.3.86
chore(infra): merge v1.4 into master (#37350)
chore: bump urllib3 from 2.6.3 to 2.7.0 in /libs/core (#37329)
fix(core): avoid eager pydantic.v1 import in [@deprecated](https://github.com/deprecated) (#37308)