I am not talking about programming, but that apps like this one use node graphs for asset production (that certainly won't have a speed issue when it's outputting* a file used elsewhere).

Particularly the idea with node-based being flexibility. Something like SDF textures I guess can already be done via shaders like what you're talking about with Blender's visual shaders so would probably work here for anyone who knows what they're doing, some of what I'm talking about might need explicit support though (short of somehow finagling data into text enough to export to some text/binary format) especially editor-level features. Though even SDF is something that would be a lot better as a supported feature or plug-in.

The video for this mentioned that 3D is a weak aspect so that probably doesn't help, particularly for the type of assets that don't use nodes much. Though even some simple parametric options would be nice.

* I guess it could technically do live rendering, perhaps even via webGL/WASM or leaning on other tech that uses those. And that would be interesting.