Currently, I use the 64-bit version of Galbanum Architecture Waveforms in Rapture Classic, with excellent results. I was watching a YouTube video on Rapture Pro, and a quick mention was made of a switch in Rapture Pro to select between 16- and 32-bit audio performance.
 
Can Rapture Pro use 64-bit waveforms?

It did not crash when I loaded a few. What it does to the waves while loading them I cannot say.
 
There is a demo available through the command center http://www.cakewalk.com/P..cts/Rapture/Try-Rapture