Updated keyboard shortcuts and usability improvements.
I'm jealous of anyone who remembers unique keyboard shortcuts for any app. I work between maybe 15 apps and I can only remember the common ones between them like Ctrl+Z (my personal favorite). Hats off to all you with brain space to remember all these shortcuts!
C2 and CC, I'm pretty sure showed the Keyboard shortcuts in the tooltips.
I don't know why the shortcuts were made hidden in C3!
There's so many secret shortcuts that improve life, but no one knows about them!
I only just discovered that the best way to preview the game is to press F4, after many years of using this software.
FWIW, all keyboard shortcuts are listed in the manual.