Apple has released another Developer Preview version of their latest version of Mac OS X 10.10. As they ramp up for release, there are several items in this preview which reflect the direction Apple is taking with the desktop including a number of updated icons in both the System Preferences and the Applications / utilities directories.
In addition to these changes, Apple has also removed the Software Update option from the Apple Menu. Updates are now completely handled through the App Store application. No date for release of the new version has been set as of this time, however, many thing that this Developer preview will be the last one and that the public release will occur at the event on the 9th of September.
For more information, check the Apple Developer website at: