On this pageLangchain Composite Recipes Recipes that include further recipes, often including the individual recipes below. Upgrade to LangChain 0.2 Upgrade to LangChain 1.0 Recipes Find create_react_agent usage (replace with create_agent) Find deprecated LangChain agent patterns Replace langchain imports with langchain_community Replace langchain legacy imports with langchain_classic Replace langchain_community imports with provider packages