Xcode 27 introduces major changes to the Apple IDE including AI coding agents embedded in editor tabs with a /plan workflow, parallel agent conversations, a unified Device Hub replacing the standalone Simulator, untitled projects for rapid prototyping, standalone Swift file previews, customizable toolbar and workspace themes, predictive live issues, and AI-powered localization via String Catalogs. The release requires Apple Silicon and macOS Golden Gate.
Table of contents
PrerequisitesA Redesigned WorkspaceFaster Prototyping with Untitled ProjectsCoding Agents in the EditorDevice Hub: The End of SimulatorLocalization with Coding AgentsSummary3 Impressions