Hide/Isolate & X-ray

Use xray click to select geometries behind other objects.

Use ctrl + click to temporarily enable x ray mode.

Click on the map where multiple geometries overlap.

Select the geometry you want from the list.

Isolate every touching feature on the same level (base height)

Select one or more geometries

Use the h hotkey

Any geometries that touch the selection are isolated.

Click to edit as usual.

Use h to exit isolate mode.