What is the proper way to use Julia Jupyter notebooks in VS Code?

Tooling VS Code
,
2
  1. None
  2. Just the Julia extension.
  3. The one from the Julia extension. What does “the error messages were messed up” mean?
  4. Nothing, that’s just not properly implemented yet (each cell is treated as its own, indeptendent, document atm, but there are plans to change that, of course).