Avatar Blu-ray macro-blocking

As @Chillbo says, this has not been fixed, and (as far as one can tell) isn’t ever going to be. On the plus side, there are only a very small number of 3D films affected - others play okay.

If you’re feeling energetic enough, it may be possible to re-encode problematic movies in such a way as to work around the issue. I haven’t attempted this myself, but this guy claimed to have made it work: