Same here as well.
I had bought this model (UE65MU6400) May 25 2018 from Sound Machine - Samsung Malta. In August 2019 i had shadows showing on TV. At that time the TV was under warranty and the screen was replaced. I year later I have the same problem as can be seen in the pics. However warranty for TV has now elapsed by 3 months. I am waiting for a reply from Sound machine Samsung Malta to see if the part itself is under warranty.
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