ok, these movement shadows ( ghosting ). We had this very noticable long ago for e.g. these “electric windmills” and special noticable in backlit situations or just also the example I depict with the “grass movement in wind” , also backlit situation. I think an nvidia driver reduced the effect a lot, or it was game update, can’t remember. I assume it comes from somekind of AA (TAA) , but there are some topics about.
Users give it different names and discuss it in some topics, some examples :