Apple has released an update to OS X Lion (10.7.4) which offers general operating system fixes which include improved stability, compatibility, and security for your Mac.
You can download the update directly on your Mac by clicking the Apple Logo and selecting Software Update or wait till you receive the automatic notification asking you to update. The detailed change-log of OS X 10.7.4 follows.
The update contains the following fixes
- Resolves an issue where the “Reopen windows when logging back in” setting is always enabled.
- Improves compatibility with certain British third-party USB keyboards.
- Addresses an issue that may prevent files from being saved to a server.
- Improves the reliability of copying files from an SMB server.
The update will require you to restart your computer so be sure to backup your work before installing it.