Jhin's ultimate desyncs with game.
I don't have a video to display the issue, but it's fairly straightforward to explain:
If you use your ultimate as Jhin, the enemies will sometimes stop completely and then quickly resync with where they actually moved. A similar thing happens if you pan your camera to someone that's actively walking. They'll sometimes stop completely and then sort of sync back up.
This is very frustrating as you'll see yourself landing shots perfectly, but they just go through the player since they're not actually synced with the spot they appear to be in.