AppKit in macOS 27

macOS Golden Gate 27 Beta Release Notes: AppKit adds NSRefreshController, providing pull-to-refresh functionality for NSScrollView. […] NSToolbarItemGroup adds the role property and the NSToolbarItemGroupRole enum, allowing toolbar item groups to be tagged with a semantic role. NSSegmentedControl similarly adds a role property and the NSSegmentedControlRole enum, including a tabs role for controls that represent tab-based […]