We have just posted DaVinci Resolve 8.2 beta 4 for Mac, Windows and Linux and also the Lite versions for Mac and Windows.
http://www.blackmagic-design.com/support/
Beta 4 includes support for Final Cut Pro X XML1.1 including import of color, sizing, opacity and composite mode settings from FCP X. It also corrects some issues we had with beta 3 and includes general stability improvements.
Peter