A bug when for you are cutting and pasting text into a dialog panel. When you move to the next panel every so often storyboard pro deletes the pasted text from the previous dialog panel.
Slows down your process a bit because you have to check that the text holds, and replace it when it doesn’t.
I haven’t checked if it is the same for the Action, Dialog and Slugging panel.
Storyboard version: 17.10.2(16057)