Comment by cheesecakegood

> So I guess I would like to see a language neutral notebook platform with pluggable kernels.

Doesn’t this already exist? .QMD files (Quarto Markdown) allow you to mix and match languages in code cells and is platform neutral. Python, R, Observable JS, Julia, bash, or any language with Jupyter kernel, all natively supported and you can easily toggle output between PDFs, HTML, etc.