@UElaci
The plan is for substrate to replace the current material system.
No real ETA I can provide sorry. I can only say it won’t happen this year. We are working hard to reach that goal after, as early as possible.
@apfelbaum
For the non-substrate workflow? If this is what you mean then sorry but my answer is simply no. The current GBuffer cannot handle that and this will only be happening with Substrate.