Playing Mafia: Definitive Edition on Series X.
I have no idea why Tom had so much praise for this game in his DF video covering the consoles.
It has the highest input lag of any game I've ever played. Perhaps that's just the One X version, though. It apparently uses TAA and the other versions don't.
It also has very noticeable ghosting from that TAA solution, in addition to be a fairly soft presentation for a 1440p resolution.
Hangar 13 said they were going to release a patch for 9th gen, but that was a long time ago. They don't respond through any official channels and the last patch was 3 years ago.
Definitely don't buy this game to play on OneX/SeriesX. Maybe the Playstation version isn't so laggy.