Duplicate artboard hotkey
It should be possible to duplicate artworks not only with Alt + Drag but with a button in the artboard options aswell - just replace it with the text that says "Press Alt + Drag Cursor to duplicate artboard" and keep the Hotkey function.
Marnik van Ophoven commented
A hotkey to duplicate artboards would be amazing :D
Shivendra Agarwal commented
Artboard panel has that already.