Landscape Materials Layers Show "none" but are Still Able to Paint on Landscape

Landscape material layers show "none" after generating weight blended layers in landscape paint mode. The landscape layers are painted as normal but do not show that any layer is assigned.

1. Open Editor (any project)
2. Create new Material
3. In new material, create two texture samples (any texture)
4. RMB, create a landscape layer weight node
5. Duplicate node
6. Attach a texture to each weight blended layer in the "layer" input pin.
7. Attach one layer output to the base of the other layer weight, attach the next layer output to "base color".
8. Save and close the material
9. Create new landscape
10. Attach material to landscape in details pane
11. Open landscape mode>paint
12. In the Layers pane, press the + sign next to each layer>weight blended>ok

Newly created Target Layer Info is selected but not shown

Can't assign Landscape layers to Target Layers 4.8