Where is debug view hierarchy button in Xcode 12

Question

I saw the same question here: Xcode - can't find Debug View Hierarchy button . But it doesn't work in Xcode 12. This button looks like carved. And I can't find this option in editor.

How open debug view hierarchy in Xcode 12?

My xcode:

I expected:

Answer 1

Are you sure you are running the project? It's still there (Xcode 12.0.1):

Answer 2

It also could happen if you did not enable Debug executable option on Scheme edition window. A shortcut for open this is: ⌘ ⇧ ,