August 9th, Testing build will be upgraded to 1.20.2. This update requires save game changes.
If you are not on Testing build, do not worry, you will not be receiving this update and can continue playing 1.20 save games. If you'd like more information on how to switch builds of the game, we have a lovely tutorial for you: http://www.ventdev.com/forums/showthread.php?tid=2594