Quote Originally Posted by kenhan View Post
I just purchased via MAS, and upon first, and second, launch the window is completely transparent. Very annoying. The app is completely unusable at the moment.

Yosemite public beta 2.
We are sorry about the inconvenience. We will release the update once the final version of Yosemite comes out.
Please contact us through the Contact Us form for further information. Thank you!