The new 499.9MB download is recommended for all users and "includes general operating system fixes that enhance the stability, compatibility, and security of your Mac," says Apple.
The software update, which doesn't feature anything but fixes, has been rumoured to remove Intel Atom support for the OS, locking out Hackintosh users who've decided to put the Apple OS on a non Apple devices like the Dell Mini 10.
Although Apple's MacBook and MacBook Pro range uses Intel processors it doesn't offer any machine with Intel's Atom processor, allowing it to remove the support and only affect what it deems as illegal machines.
The full list of listed fixes are:
- an issue that might cause your system to logout unexpectedly
- a graphics distortion in Safari Top Sites
- Spotlight search results not showing Exchange contacts
- a problem that prevented authenticating as an administrative user
- issues when using NTFS and WebDAV file servers
- the reliability of menu extras
- an issue with the 4-finger swipe gesture
- an issue that causes Mail to quit unexpectedly when setting up an Exchange server
- Address Book becoming unresponsive when editing
- a problem adding images to contacts in Address Book
- an issue that prevented opening files downloaded from the Internet
- Safari plug-in reliability
- general reliability improvements for iWork, iLife, Aperture, Final Cut Studio, MobileMe, and iDisk
- an issue that caused data to be deleted when using a guest account