The first one to get committed was the tracker-powered video search sidebar, by Javier Goday. Unfortunately, I don't have any nice screenshots as tracker seems to want to index everything but my videos directory.
The other one is a long standing feature request, with the patch provided by Kamil Pawlowski, adding a menu item to select a text subtitle for video files. This means you can get subtitles for your legally downloaded video files, with the typos free of charge.
Update: Everybody loves screenshots. Here's one for the video search feature:
