Addresses an issue in which attachments enclosed inside an HTML link may not be clickable in email messages.Improves stability when resizing columns in the message viewer or switching between Stationery templates in email messages.Resolves an issue when inviting attendees via a CalDAV account.iCal alarms are now more reliably delivered via email.Improves disk partitioning when multiple RAID sets are created on the same disk.Addresses an issue that could produce an alert when creating disk images using Disk Utility or Terminal.Restores the functionality of the progress bar during permission repairs in Disk Utility.Improves compatibility with D-Link NAT gateways.Improves the reliability of Back to My Mac-enabled Macs appearing in the Finder's Shared Sidebar.