Apple is separating the new smartphones into its usual low-cost versus high-cost categories, with big differences between the two models coming down to the camera, display, and battery life.
iOS 13 & watchOS 6 Now Available
Apple Seeds Mac OS X 10.5.6 (9G21) to Developers
Trackpad Preferences on new MacBook Pro (10.5.5)
The new update appears to move notebook trackpad preferences into its own preference pane in the control panel, just like on new laptops. However, the update does not bring the newly-introduced 4-finger multi-touch gestures to existing Apple multi-touch laptops.
There are also no hints or indications of Blu-ray support. While there were some early rumors that 10.5.6 might incorporate Blu-Ray support, recent comments by Apple executives indicate support is not coming soon.