Apple has released Mac OS X 10.4.6.
The 45.3MB update is available through Software Update and for direct download from the company's website.
The company describes it as: "Recommended for all users and includes general operating system fixes, as well as specific fixes for applications and technologies."
Specific fixes include:
Login and authentication in a variety of network environments;
Using Bluetooth wireless devices;
Searching iWork '06 and Microsoft Office documents with Spotlight;
Saving Word documents automatically when using a network home directory;
Creating Automator workflows for iPhoto 6;
Synchronising contacts and calendars to .Mac and mobile phones;
Mounting and unmounting iDisk volumes;
Previous standalone security updates.
Detailed information on the update is available from Apple.