Many thanks to SWLing Post contributor, Mike (K8RAT) who writes:

SDRplay has released a new API/hardware driver for the RSP (1.97).

Here is what they say about it along with a download:

http://sdrplay.com/platforms.html

So that’s a new SDRuno version and RSP hardware driver in less than one week. SDRplay has been busy!  Thanks for the tip, Mike!