A key point - for me as a user unlikely to develop extensions- is buried some paragraphs down. "JupyterLab 1.0 will eventually replace the classic Jupyter No

A key point - for me as a user unlikely to develop extensions- is buried some paragraphs down. "JupyterLab 1.0 will eventually replace the classic Jupyter Notebook. Throughout this transition, the same notebook document format will be supported by both the classic Notebook and JupyterLab."