The interface remains "dockable." You can drag panels (timeline, preview, library) anywhere. For beginners, the (new in 26, improved in 27) hides the complex keyframes and presents a simple storyboard. For pros, "Studio Mode" reveals the full multi-track timeline (you get unlimited tracks in Ultimate).
For those who prefer visual planning over timeline scrubbing, the new Dynamic Storyboard mode allows you to arrange clips as thumbnail cards. You can rearrange the narrative flow instantly, and the timeline updates automatically. It bridges the gap between iMovie (simple) and Premiere (complex).