At one point the Google Directory was
many months behind, and I'm sure there are sites who are even slower with updating their data.
How frequently they do that, or even whether they do it at all, is of course completely up to them, and the ODP has no control over that process.
UnderT you will find the
internal forums are an essential resource on all sorts of topics. I suggest making good use of the forum search there, and posting your questions in the appropriate internal forum
if you do not find answers in the results.