I use Balsamiq 3.0.2.
I created two mockups within one project. I accidently click on ‘move to trash’ from mockup contextual menu. There wasn’t any confirmation dialog! I tried to Undo the actions, but it did NOT restore my deleted mockup! I closed Balsamiq without saving project, run Balsamiq again, tried to open my project, but the mockup wasn’t there! I have been creating this mockup for hours, and now it’s gone completely.
It’s a terrible UX, guys. Very disappointed.