We have a confirmation from nvidia that the issue has now been fixed for both GeForce and Quadro. Please update Nvidia GPU drivers to fix this issue.
Thank you Nvidia
Adding download links:
Please get the latest NVIDIA drivers from here: http://www.nvidia.com/Download/index.aspx?lang=en-us
if you have issues please contact NVIDIA support.Jonathan commented
I had the same issue with not being able to see any change in outline mode, however, I downloaded the Nvidia driver and it solved the issue straight away!