Operating system: Windows 10 Pro x64
Graphics card: Geforce GTX 1080Ti
Broken: 0ba143a1d675 (todays build)
Short description of error
Viewport rendering not updated when switching to allready rendered viewlayer.
You can switch to a viewlayer once and it is rendered in the viewport. When you go back to an viewlayer you had allready switched before, the viewport is not updating anymore.
Exact steps for others to reproduce the error
Open the attached scene.
Switch to rendered in the viewport.
Switch to viewlayer Cube2. The viewport is updating.
Switch back to viewlayer Cube1. The viewport isn´t updating.
When you switch forward and backward from viewlayer Cube1 to Cube2 nothing happens in the viewport.