> Also - and this is the deal breaker for most people I know - you can't display graphs within your notebook. Until we get that ability - everyone I know who does work and lives off of their matplotlib workstream is going to continue using Jupyter Lab/Notebooks.

Hmm? The latest demos seem to imply that a plt.show() does embed the plot images into the Notebook.

The major limit on cell outputs is more limited interactivity.