I've been seeing this a bit as well, but it isn't consistent, and I haven't found a reason for it, or a consistent set of circumstances yet. It comes and goes.
So I have just been either rebooting, which often doesn't fix it, or changing the sync correction at Options>Video>Advanced between typically 200 and 0 ms.
As I said, I can watch lots of stuff with it set at zero, then watch the same sort of stuff and need 200ms, which will continue for a while, then later I will need to change it back to 0ms.
So at least you are not alone. Someone else mentioned it recently as well.
