My biggest issue with Pyodide (which is of course an awesome project/build on its own) is the long wait times. I haven't figured out a way around a ~5 second load time where the entire UI hangs every single time you load the page.
My app (similar to Simon's, a lite mode of a data IDE): https://app.datastation.multiprocess.io.
My code: https://github.com/multiprocessio/datastation/blob/main/shar....