It may look like just a minor update pushing out to Vine, but actually this has the potential to be a big change in how the platform works, and the videos that can be made with it. The two big updates this time around are called Sessions, which is a cool feature that will let you save your progress on a video, so you won't lose your work; and, there's the important change called Time Travel...
Source: http://www.phonearena.com/news/Vine-updated-with-tools-to-edit-your-6-second-masterpiece_id48691
Source: http://www.phonearena.com/news/Vine-updated-with-tools-to-edit-your-6-second-masterpiece_id48691