The deep dive describes how the experience for caseworkers is transformed in SPM V8.0.0. The deep dive introduces you to the Carbon design system, which underpins the user interface (UI) improvements in V8.0.0. The deep dive also examines the new UI features in V8.0.0 and their benefits. Details of the technical foundation of the new UI features are also discussed, including upgradability. The deep dive concludes with guidance about where to find further information.