My biggest issue with Jupyter is the key bindings, I want to be able to import my Jetbrains keybindings to Jupyter notebooks but havent found a good way. The Jupyter implementation in Pycharm is just terrible so still stuck using jupyter in the browser.
My experience with DataSpell has not been great. Granted, my workflow leans toward R, and it DataSpell has a Python-first approach, but the app was basically completely broken to even load R, and StackOverflow was full of relatively old posts of people with the same problem. If they really cared about that app that would never happen.
I just do a lot of my R editing in PyCharm now and flip between terminals and RStudio. I was hoping DataSpell could unify that, but it's not ready.
Will your tool allow custom key bindings?