Oh don't get me wrong, I have nothing against publishing notebooks, on GitHub or anywhere else. That was the convenient part. The negative feature was Jupyter mixing output into the file source code, making it difficult to version.
With Marimo, the way to achieve the same result is to have it (automatically) export the notebook to a _separate_ static HTML file: https://docs.marimo.io/guides/exporting/#export-from-a-runni...