When I scroll down the feed and the app loads more status updates, there seems to be a gap in time. I tried version 0.1.9 first and the gap was about 4 days, now I installed 0.1.13 and the gap is 6 hours. So first there are about 25 status updates and the oldest is 5 hours old, but when the app loads more, the next one is 11 hours old.

I was also wondering about some other missing updates, but I think they can be explained. Some have apparently disabled the app platfrom so I don't even see them in the phone's contacts. And one update was my friend commenting a song "via Spotify", which is a message that can be seen in FB's news feed, but not on the person's own wall. So maybe the API doesn't get those kind of messages.