Warning: This is beta software and might have stability issues or contain bugs still. Do not update to this beta if you have a deadline or if you are working on a critical manuscript. You can download the most recent official papers2 release from http://mekentosj.com/papers/papers_264.dmg
We advise to upgrade to Papers3 for iOS, this completely new version of Papers for iOS is available in the iTunes App Store.
Have a look at our roadmap to see what's up next: