In the first minute of Mission Impossible: Fallout, Ethan Hunt (Tom Cruise) has a dream that features Solomon Lane and Ethan's ex-wife Julia. In the dream, Solomon Lane does not appear clean-shaven and wearing glasses as he did in Mission Impossible: Rogue Nation. Instead, he has a beard and no glasses.
Since Ethan is dreaming, and Julia is from his past, why does he not picture Solomon as he was in the past too? Is there an in-world explanation of that? Since Solomon has been shuttled around for interrogation, I don't see why Ethan would know - especially in a dream - what he looks like now. Ethan doesn't keep up on the appearances of every bad guy he captures, does he? And he's not psychic as far as we know?