If you open Twitter on your iPhone today, you might notice a new design for the timeline that puts the focus on photos, videos, and GIFs. Twitter confirmed today that it is now testing this new design on iOS ahead of a potential full release.
The new timeline design in Twitter for iOS takes images, videos, and GIFs and stretches them full-width. This change essentially gives Twitter for iOS an edge-to-edge design that removes the margins on the sides. Twitter says: