My understanding is that Pluto has its own execution engine outside of Jupyter, and so would require the creation of a new "engine" in our codebase. We are a pretty lean team that has other priorities for 2024, but we would very much love to see Pluto running in Quarto.

There is an open PR right now (https://github.com/quarto-dev/quarto-cli/pull/8645) to add a Julia-native engine to Quarto, from the developers of Makie which we hope to merge soon. I don't think that will provide instant Pluto support, but it will certainly make it easier for other Julia-native folks to build on.