João Gabriel worked on the p0deje/Maccy repository, focusing on improving the user experience during screen sharing sessions. He addressed a UI edge case where a popover would unintentionally appear, potentially confusing users. By leveraging Swift and SwiftUI within the context of macOS development, João implemented a targeted fix that set the popover’s content view controller window sharing type to .none when screen sharing was active. This change, though limited in scope, effectively removed stray UI elements and contributed to a more stable interface. His work demonstrated careful triage and precise bug resolution, supporting ongoing UI state hardening efforts.