Apple Releases OS X Mavericks Preview 7
Roughly a week before the official public launch of OS X Mavericks comes preview 7. This update to the beta comes about two weeks after the seed of preview 6.
Developers can update under the updates tab in the Mac App Store or download it for the first time in the developer center. Since it was just released there are not any new features noticed, but we will keep updating this article as changes are found.
-PDF files from iBooks opened in preview can be renamed.
-Many new wallpapers in System Preferences