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Undo broken, redraw issues
The latest update to BaiBoard 1.3 has caused drawing to be unusably broken on Mac OS X 10.7.5. Drawn strokes cannot be undone at all, and there are redraw issues when placing other shapes. For instance, when drawing a rounded rect, only a small fragment is visible, until I minimize and restore the window. This trick has no effect on the broken undo.
Customer support service by UserEcho
Yes. It's indeed a bug on Mac OS 10.7.x. We have fixed it and submitted a new version. It should be available on App Store in a couple of days.
It cause of the issue is an API inconsistency between 10.7 and 10.8, we were not aware the existence of inconsistency between the two.
Thanks.