Has it changed? Largely no. If you look at the latest Pew Research poll that polls societal views of China, I don't think it has actually recovered, and that is very much in line with the popular opinion poll results of many western societies. People have a lack of trust of China. I don't think things have gone back to normal.
Speaking in a personal capacity, I used to teach a course in China on a Chinese campus. We have no plans of returning to China anytime soon, because things.... You know, there has been a scar, and we know the root cause of the scar. I don't think the root cause has actually gone away, even though the two Michaels have been released.