Wow! After all this time waiting for a new driver the release, it is incredibly disappointing that it also has issues. Cubase 12 pro will not close down with it, and I have had to reinstall 2.04 in order for Cubase and my UR-RT4 to work properly again. The failure to make available the DSP Mix Fx 2.0 to UR-RT4 owners is also very disappointing particularly given its price point. I have today purchased the Lewitt Connect 6 (at less than half the price of the UR-RT 4 interface purchased from Steinberg). But since the Ur-RT4 has not worked properly with the latest driver releases over the last 2 year period means I am done with Steinberg interfaces. It seems unreasonable that I should be expected to put up with this any longer. Hopefully Steinberg and Yamaha (particularly as it is the latter’s USB driver that is the problem) will address this before they lose too many other customers.