OS X Yosemite

Force Touch APIs in OS X 10.10.3

The Force Touch trackpad in the all new MacBook and updated 13-inch MacBook Pro with Retina display has built-in force sensors for a new level of interactivity and control within your apps. Use Force Touch APIs, including Force click, pressure sensitivity, and accelerators, to add a new dimension to your app’s user experience. Learn more about Force Touch.