I consider myself pretty sharp eyed and did not see difference in quality. Both were good. Colors were different but I can achieve this by sliders in DeoVR or change the colour profile (it is usually the last one in menu, was it Adobe RGB or something like that)
doublevr better color grading and stitching, improved keying for PT scenes
Can you explain what is better stitching and improved keying for PT scenes in practice? I had to ask ChatGPT to figure these out. I have never considered video transitions to be problem. Same goes for background removal. Your passthrough AI model is the limiting factor, not the AV1 improved keying.
