Dupe Label
Dupe is the new label for the Duplicate button. If you are ever in doubt, hover over it.
Rounded corners are a thing that happen automatically when rendering system objects. IOW, the buttons in the picture are made by macOS and decimate the word, Duplicate.
The goal is to preserve Compact Windows so you can hop between email and desktop. Drag from email or desktop into Docs or Images and you will forgive Dupe, Memory...
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