Can we and should we enable Jupyter widgets in IF# ? https://github.com/ipython/ipywidgets/blob/6b1e0901260409e166ed1763db06122dedeb4b89/docs/source/examples/Widget%20Low%20Level.ipynb It looks like it is built on top of `comm` messages. A collection of widget examples: https://github.com/ipython/ipywidgets/tree/6b1e0901260409e166ed1763db06122dedeb4b89/docs/source/examples