Sony is pushing a new update to its Movie Creator app that moves the build number from 2.2.A.0.8 to version 2.3.A.0.3. Changes include some new UI design, which includes a new Material Design-esque icon. Other additions include unfinished movies that are now listed, as well as allowing users to add photos/videos for Highlight Movie creation. The 9.5MB update is rolling OTA right now.
Thanks cachanilla86 and Deki!