Late last evening, Apple released an update to the third developer preview seed of OS X Mountain Lion, bringing the build number up to 12A193i. The update is available via Software Update for those developers already running Developer Preview 3 of Apple's next desktop operating system.
We're currently gathering a list of changes in this build and will update as we find them.
UPDATE: Changes follow:
- First look at the update installation screen under OS X Mountain Lion
- Simplified "General" preference pane in System Preferences
- New "Do Not Disturb" option found in Notification Center
- New "Group windows by application" option in Mission Control preferences
- Safari's "Reading List" feature has received a design refresh
- Safari's Reading List feature now supports offline reading. Any page added to the Reading List will be saved automatically for offline reading
- Safari's redesigned "iCloud Tabs" feature
- The background image used in Dashboard has been modified