With improvement comes "WTF happened to my [your favorite thing goes here]?!?!?"
Somewhat useful Shortcut Keys Changed in 2.8x.
✦ EEVEE: EEVEE. A new physically based realtime renderer. It works both as a renderer for final frames, and as the engine driving Blender’s realtime viewport for creating assets. Only uses the GPU to render (no plans to use the CPU in the future).
✦ Ambient Occlusion:
I thought (for a while) someone left something out of the build! Viewport and Render options totally disappeared, and I had no idea how to get them back. I quit downloading and using updates! Seems a developer thought cleaning-up the interface was a good thing.
The progression to get the controls back goes something like this: