According to the product board, a planned feature is UI Integration with Shader Graph: “You will be able to use Shader Graph to create custom UI shaders.”
With a Sprite Unlit shader, this seems possible already. It appears to work just fine.
In what context is this broken?
From some tests I did earlier today, I noticed masking in the UI doesn’t work with Shader Graph shaders for the UI out of the box. Perhaps it’s possible by editing the generated code by hand or by some other means I’m not aware of.
Shader Graph don’t support stencil mask now, so it will be a problem such as on scroll view.