The html code has changed, make the video ids extraction more solid.
Some videos use the same player with IDs of multiple lengths. See https://travis-ci.org/rg3/youtube-dl/jobs/12126506#L319 for an example.
[FlickrIE] Fix HTTPS url
[youtube] implement --no-playlist to only download current video
All videos from the Vevo user, just embed videos from vevo.com
Some videos (feature films) have no upload date.
Update