Vray blender builds of this month from 28d-30d vray module missing

[Stugys]

hello i dont know is that bug or not, but from 28-30d when loading saved scene from projects that are made with earlier days builds

Engine 'VRAY_RENDER_PREVIEW' not available for scene 'Scene' (an add-on may need to be installed or enabled)
Engine 'VRAY_RENDER_PREVIEW' not available for scene 'Scene.001' (an add-on may need to be installed or enabled)
Engine 'VRAY_RENDER_PREVIEW' not available for scene 'Scene.002' (an add-on may need to be installed or enabled)
Engine 'VRAY_RENDER_PREVIEW' not available for scene 'Scene.003' (an add-on may need to be installed or enabled)

and in render engine drop down meniu there is option just for Vray RT but it renders normlly with cpu like in production render

[Stugys]

and material preview window is black,

[leandro_cs]

I believe this is related to this thread: http://forums.chaosgroup.com/showthr...or-Blender-3-5

As the first step current builds with the vb30 exporter will be available only from the main website download section.
The builds at the nightlies server will contain new vb35 exporter, but currently only with the new file exporter for testing that it still works as the previous one (in terms of exporting features).

Material preview doesn't work for new V-Ray Standalone yet, and "Selected node preview" will allow you to preview just the selected node and all it's inputs and not the whole tree

[bdancer]

Preview should be back in tomorrows nightly.