Hi,
I hope this is a good place to report such things. When you switch to wireframe mode in 2.8 (build from 2018-06-01 - 8433ed7) not all wires from the back are visible.
Blender 2.8 / Windows 10 / 1060 6GB - driver 391.35
A post was merged into an existing topic: Blender 2.8 Wireframes Suggestion