Youtube has rolled out a new “end of video” suggestions screen that shows after you have watched a video.
The old format was perhaps a bit more useful, but only for sharing. But the new format maximizes the focus on watching more YouTube videos, showing up to 12 suggestions, fewer if Adsense ads are present,
As you probably already know, the sharing options have changed somewhat in the past months, also. They are still very useful but a little harder to find.