Apple shipped the third Developer Preview of its new operating system Mac OS X 10.7 Lion, the opportunity to discover more about the innovations introduced by the OS whose launch should take place at the WWDC that will be held from 6 to 10 June next.

Mission Control that displays an overview of applications running through thumbnails now offers a setup function available from System Preferences.

Mac OS X 10.7 Lion DP3, it is also about new options via right click, better support for external displays, the activation of Reading List in Safari to postpone the reading of a section through clicking a button dedicated to the presence of a default icon in the toolbar to create a folder in Finder, reminders in iCal, new buttons in Dashboard or an adaptation of the scroll bar according to the background color of the window.

Some also point out that Apple has removed the beta: the developers who own version DP2 can no longer get the Developer Preview 3 for Mac OS X 10.7 Lion.