I use SteamVR home environ as a test case. I am using latest available drivers to this date (02.07.2019) after a clean video driver install.
In Large FOV mode the picture in EVERY eye becomes smeared, to be exact there seems to be two pictures overlayed with a small horizontal shift between them. PP is not involved. Once again the problem is in every eye, it is not a matter of projection.
Let me double check this with the devs, and make sure it gets fixed. They have several AMD GPUs they test a lot with Pimax. I only have Nvidia and can’t see that problem