SketchUp 2020 separated these two categories. You can now toggle "Hidden Objects" independently from "Hidden Geometry," giving you better control over what remains visible while you work.
As of late 2023, Trimble (the developer) has officially for SketchUp 2020 web-based services. This means: SketchUp_Pro_2020_v20.1.229
A major overhaul allowed users to manage and organize models directly within the Outliner. You can now hide or unhide objects by clicking the eyeball icon, making it much faster to navigate complex scenes. SketchUp 2020 separated these two categories
When you select an object (like a chair or a window), new "grips" appear at the corners and midpoints. This allows you to rotate and position objects more intuitively without switching tools. SketchUp_Pro_2020_v20.1.229