Has any modern course or short course where can learn a modern RAG, like LCEL, Runnable, LangGraph

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Hi everyone!

Has anyone found a modern and up-to-date course or short course for learning advanced RAG and agent architectures using technologies like:

  • LCEL

  • Runnables

  • LangGraph

  • Modern LangChain patterns

  • Agentic RAG

  • Memory systems

  • Multi-agent workflows

I already know the basics of LangChain, but most tutorials I find are outdated and still use old chain/retriever patterns.

I’m looking for something more production-oriented and aligned with the current LangChain/LangGraph ecosystem.

Free resources, videos, official docs, YouTube channels, GitHub repos, or paid courses are all welcome.

Thanks!

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I think DL.AI’s Learning Platform has most of those as separate courses