FINAL BETA K16 v0.3.0 Board Design Released.
Hooray! 
1) Is it risky for us to start printing the PCB now, without waiting for you to test the new revision of the board?
Come on, man, is that a serious question? Of course that'd be risky or he'd be done testing.
That doesn't necessarily mean it won't work, just that it's not "done" yet.