A practical and opinionated look at Apple’s foldable iPhone Duo, why hinge-aware apps matter, and how developers can start designing for dual-pane and fold states today.

Apple's WWDC 2025 brought a smart mix of software upgrades and subtle AI moves, from macOS Tahoe's final Intel-era update to new iOS 26 features and the bold Liquid Glass design—showing Apple's slow-burn approach to shaping the future.