My understanding was that the developers plan was to develop JupyterLab as a future version of Jupyter Notebook. But it seems that both of them now get updates.

My understanding was that the developers plan was to develop JupyterLab as a future version of Jupyter Notebook. But it seems that both of them now get updates. My question is what is: When to use JupyterLab or Jupyter Notebook and waht is the difference between them?