Apple today released OS X Lion 10.7.4 to improve the stability, compatibility, and security of your Mac.



Mac OS X Lion 10.7.4:
The 10.7.4 update is recommended for all OS X Lion users and includes general operating system fixes that improve the stability, compatibility, and security of your Mac including fixes that:

● Resolve an issue where the "Reopen windows when logging back in" setting is always enabled
● Improve compatibility with certain British third-party USB keyboards
● Address an issue that may prevent files from being saved to a server
● Improve the reliability of copying files to an SMB server

Mac OS X Lion Server 10.7.4:
The 10.7.4 update is recommended for all servers currently running Lion Server. This update includes general operating system fixes that enhance the stability, compatibility, migration and security of your server and improvements of the following services and applications:

File Sharing
● defining custom names for file share points
● using Kerberos authentication
● emptying trash when using a network mounted home directory
● using WebDAV with third-party iOS clients
● copying files and Finder information over SMB
● general reliability of SMB file services

Profile Manager
● enhanced payloads and management settings for iOS and OS X clients
● reliability of device enrollments after changing server hostname
● configuring VPN management settings
● using profiles to join 802.1x networks
● installing enterprise iOS applications
● setting iCloud, Spotlight and Media Restrictions for OS X clients

Web Server
● improved handling of URL redirects and alias matches

Mail Server
● improved reliability of SMTP services
● prevent overwriting of manually configured greylisted mail servers

The update also includes specific fixes for:
● more flexible service data storage
● reconfiguring DNS settings when changing hostnames
● editing DNS expirations
● archival and migration of Open Directory
● preserving local accounts during upgrades

You can get the update by select Software Update from the Apple menu at the top left of your screen.



(via iClarified)