wow, i am genuinely impressed! super snappy. I wonder whether it could be used to tackle a real pain point of mine. I work a lot with data, visualisations with jupiter notebooks. There are essentially two approaches: matplotlib, which outputs pngs/svgs. The notebooks stay fast but they are not interactive. The other is approaches like plotly, js-based, interactive, very useful but it gets slow really fast. I can not handle a lot of data. It can not handle a lot of plots. A simple, interactive plotting library with a focus on speed would be immensely useful! With python bindings. Could be a fun weekend project. I don't know any rust though, anybody up to collaborate? :P

I bet the canvas approach would not slow-down the notebook.