Spend a lot of time fine-tuning it to be just right.
Press Command+S to save the project and confirm
You've just destroyed all your work because Command+S doesn't save, it loads. Command+S has been the standard keyboard shortcut for "Save" for four decades.
Update: I now see that "New Project" command is mapped to Command+O. Again, this is the wrong key. Since 1984, the keystroke for creating a new document has been Command+N.
Steps to reproduce:
You've just destroyed all your work because Command+S doesn't save, it loads. Command+S has been the standard keyboard shortcut for "Save" for four decades.