1.4.0
Added 2
- Add langchain.mcp namespace and MCPAdapter for Model Context Protocol support
- Add runnable langchain.mcp examples to documentation
Changed 2
- Omit middleware trace inputs in anthropic and langchain for performance improvement
- Bump vcrpy test dependency minimum to version 8.2.0
Fixed 1
- Include model destination in agent tool routing
From LangChain
Changes since langchain==1.3.18
docs(langchain): runnable langchain.mcp examples (#39976)
feat(langchain): langchain.mcp namespace, MCPAdapter (#39939)
perf(anthropic,langchain): omit middleware trace inputs (#40098)
fix(langchain): include model destination in agent tool routing (#38355)
chore(langchain): bump vcrpy test dependency minimum to >=8.2.0 (#39942)