There is no Beta for Labview, per say, the beta teams test the current version of labview and the WPI library prior to kickoff.
So for this year, FRC 2016 software runs on Labview 2015.
Next year, FRC 2017 will run on Labview 2016.
If you want to try labview, download it here...
https://wpilib.screenstepslive.com/s...6-labview-only
Use serial number in your kit of parts.