They can base the kernel on top of these C++ libraries: - https://blog.jupyter.org/a-new-python-kernel-for-jupyter-fcdf211e30a8 https://blog.jupyter.org/a-new-

They can base the kernel on top of these C++ libraries: - https://blog.jupyter.org/a-new-python-kernel-for-jupyter-fcdf211e30a8 https://blog.jupyter.org/a-new-python-kernel-for-jupyter-fcd... - https://github.com/QuantStack/xeus https://github.com/QuantStack/xeus One day, hopefully, language-independent part of Jupyter will be rewritten completely in Rust (backend) and WebAssembly (frontend), to achieve the portability, better safety guarantees, and speed.